FREE DCT Oracle ERP Software includes everything you need to get started for up to 2 users. The solution is built on Oracle's 10g XE database platform ensuring the very best in performance, reliability and the assurance of an industry standard for your database and ERP applications. https://golmessenger.netlify.app/han-ho-gayi-galti-mujhse-mp3-free-download.html. What are dct files & how to open them - Dictionary File. File category: Miscellaneous File. Free DCT Oracle ERP Software 3.0.201. DCT Oracle ERP Software,. Free DCT Oracle ERP Software v.3.0.201. FREE DCT Oracle ERP Software, Accounting Software, Inventory Software, HR Software gives users access to all the power and functionality of our market-leading Enterprise Resource Planning solutions without the heavy investment usually required to acq.

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Business / Accounting & Finance Free DCT Oracle ERP Software 3.0.201 Download Links: Click the link below to download Free DCT Oracle ERP Software Short details of Free DCT Oracle ERP Software: FREE DCT Oracle ERP Software, Accounting Software, Inventory Software, HR Software gives users access to all the power and functionality of our market-leading Enterprise Resource Planning solutions without the heavy investment usually required to acquire these solutions. FREE DCT Oracle ERP.. Free DCT Oracle ERP Software related software Title / Version / Description Size License Price Free VBA Password Recovery Software 3 2 396.0 KB Shareware $17 Free VBA Password Recovery Software to reset your VBA password if any. No need to be technical to recover VBA password from any MS Office file. User can easily get edit Macro programmes. The software resets the password instantly despite of its length and complexity. The VBA project file is comprehensively scanned by the password recovery software which resets the lost password. A new password is assigned to the project which unlocks the.. MB Free Numerology Marriage Vibration Software 1.0 746.3 KB Freeware MB Free Numerology Marriage Vibration Software helps find your own marriage vibration number. This is a great self assessment tool. This software is very simple to use as well as easy to navigate with a well designed user interface. This software provides you with an insight to your future life so that you can lead a happy and prosperous life. This software can be used by married as well as unmarried couples to analyze their marriage date.. Debut Free Mac Video Recording Software 1.52 665.1 KB Freeware Debut is a free screen video recording software for mac. Record videos from your screen or other video devices. Capture your entire desktop or a selected portion and save the recorded videos as avi, flv, wmv or other video file formats. Email video recordings automatically when recordings has stopped or send via FTP. Set Debut to record video at specific times, record computer games, create how to demonstrations, capture video messages, adjust.. Zulu DJ Software Free 4.13 4.9 MB Freeware Zulu is free professional DJ mixing software for Windows PCs. Mix and broadcast live music, audio and mp3s. When loading a music track onto a deck it will automatically scan the file for a beat and assign a beat per minute (BPM), and will change the tempo in the second deck for perfect synchronization and a seamless crossover. Drag and drop music into and around Zulu's interface and preview an upcoming track through headphones via a secondary.. MB Free Astro Compatibility Test Software 1.50 1.3 MB Freeware MB Free Astro Compatibility Test Software calculates the compatibility between two individuals based on their birth information and planetary positions. This kind of analysis is highly accurate and gives an objective insight to our relationships. MB Free Astro Compatibility Test is a very user friendly and a simple to use software that anyone with basic knowledge of computers can make use of. The calculations in this software are based on the.. Disk Repair Software 10.x 34.9 KB Shareware $124 Hard disk repair, bad sector, logical bad sector repair tool, disk repair utility, free bad sector removal software, floppy disk repair software, hard disk utility, Track 0 Bad Disks, bad-sector repair utility, partition repair, hard disk recovery, hard drive repair, hdd repair, remove bad sectors, media repairing software tool, disk repair recovery india. Hard disk drive bad sector repair and removal software tool, bad sectors recovery.. Free Movies 2.0 1.5 MB Freeware Free Movies and entertainment software designed to bring the latest free movies and games to your toolbar. Enjoy a wide variety of downloadable games, movies and streaming music with one click. Access your favorite places of entertainment by using our free toolbar today. Free File Splitter Joiner 5.4.5 3.5 MB Freeware Free File Splitter Joiner is free file splitter joiner software to split any file into smaller pieces for easier transfer, storage and file management, and then rejoin them later for use. It does an excellent job in splitting any big files of audio, video, text, images, etc. into small chunks so they can be easily attached to an email, stored on a removable device, recorded, uploaded, or played. After the split files are copied or moved into.. M3 Mac Data Recovery Free 3.6 2.3 MB Freeware M3 Mac Data Recovery Free is the world's first free Mac data recovery software for Mac users, it provides the safe, fast and easy way to recover lost photos, video, documents, emails and other files from any Mac-based hard drive as well as external hard drive, iPod, USB drive, SD card, digital camera, CF card XD Card, MMC card, memory stick, memory card, and MP3/MP4 player, due to accidental deleting, emptying from Trash, formatting, virus.. M3 Mac Data Recovery Free 3.6.1 2.3 MB Freeware M3 Free Mac Data Recovery is the world's first free Mac data recovery software for Mac users, it provides the safe, fast and easy way to recover lost data on Mac OSX. M3 Free Mac Data Recovery is the free Mac photo recovery software to recover lost photos as well as video, documents, emails and other files on Mac OS X 10.10/10.9/10.8/10.7/10.6. M3 Free Mac Data Recovery can undelete data from Trash Bin, recover data from formatted drive,.. New downloads of Business, Accounting & Finance Title / Version / Description Size License Price Ezi Accounting 2.5.29.0 15.2 MB Shareware $179 Ezi Accounting is the easy to use accounts and invoicing program for small to medium sized businesses. Used internationally, with resellers in more than 50 countries. Featuring a simple user interface with multiple security levels, a reasonably priced accounting solution with no annual licence fees when purchased. Available as a download with a free 90 day full function evaluation. Options for rental for 6 or 12 months. Supports workstations.. SliQ Invoicing 6.0.2 10.3 MB Shareware 49.99GBP Easy to use invoice software allowing you to raise invoices, credit notes, quotes and purchase orders as well as print delivery notes. Comes with a template editor allowing you to modify the in-built templates to suit your business, e.g. adding logos and text or configuring columns. Also lets you track payments, automate monthly billing with recurring invoices and includes stock control and purchase orders. Includes stock control features.. SDiPEC 1.2.12 54.7 MB Freeware SDiPEC is the first and only free PC software able to manage the whole process of Electronic Billing. SDIPEC uses the PEC as a communication channel with the SDI, creates invoices in XML format sends them to SDI, manages and organizes notifications clearly indicating the accepted invoices and those rejected. Download and historicize the invoices received recording VAT and the payment cycle. SDIPEC can also import the XML files generated by.. Express Invoice Invoicing Software Free 7.04 953.1 KB Freeware Express Invoice Free Invoicing Software for Windows is a complete and easy invoicing system. This easy to use invoicing software manages and tracks your billing on Windows. You can use Express Invoice to create invoices, quotes, and orders. You can also add multiple users and enable remote web access. Express Invoice Free allows you to create invoices that can be printed, emailed, or faced directly to the recipient. The reporting feature.. Express Invoice Plus Edition 7.04 953.1 KB Shareware $69.95 Express Invoice Plus is a invoicing software for Windows. Manage client accounts, quotes, orders, billing, invoicing applying payments and much more. Make your business excel with an online console so multiple users can create invoices, reports and apply billing payments from their web browser. Create your own template by selecting different format settings, like color, layout, text style and much more. If you want to take the work out of it,.. Latest Reviews ConyEdit for Windows (reshim) - Dec 3, 2018 Programmers feel the comfort of coding using ConyEdit which is capable to edit codes in batch mode and supports most of programming language. Disc Cover Studio (harish) - Dec 19, 2017 No need to go for a professional designer for the cover of new record, you can do it on your own sitting at home PC adding your own image on it with the Disc Cover Studio. Kaspersky Security Scanner (Anthony) - Oct 12, 2017 Scans software to find whether it is harmful for computer and also checks for updates of security patches. Comodo Firewall (Maxmuller) - Sep 19, 2017 This just another awesome product from Comodo to protect your computer from unwanted inbound or outbound traffic, also helps you analyze data packets. TCP Splitter (Redrick) - Aug 10, 2017 This lets the data packets we send split into several packages which is convenient for many applications to receive those and process one after another. Project Viewer Lite (Tensialar) - Jul 19, 2017 This is a light weight software for viewing MS project files easily without the MS project installed, all the personal who are involved in the project can view this with graphics and charts. PDF Shaper Professional (Mortinus) - Jun 7, 2017 I had difficulties with the pdf documents which needed to be edited before presentation, then I got PDF Shaper which helped me to take the texts / images out and insert my own texts plus other images. Hotelare (Nielsine) - May 15, 2017 You can enable your guests book any room instantly through your website, also receive the payments, other sections of your hotel can be also handled using the this software like restaurants, accounts, hr etc. Copernic Desktop Search (Sokki) - Apr 19, 2017 It gives good result of any keyword you are looking for compared to standard default file search tool, finds from any file saved in your computer. SaferTech Secure Browser (Magaidh) - Apr 3, 2017 Integrated pop up and ad block facilities, secure all the online transactions by protecting secret programs leaking your personal information.

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Updated January 13, 2016 / Posted September 30, 2005
By - Webopedia Staff

Webopedia's list of Data File Formats and File Extensions makes it easy to look through thousands of extensions and file formats to find what you need.

With literally thousands of data file formats employed by Windows and Window-based apps, keeping track of all the file extensions used by software applications and programs can be a challenge.

Webopedia's List of Data File Formats and File Extensions

Fortunately, Webopedia's Complete List of Data File Formats and File Extensions makes it quick and easy to sift through thousands of file extensions and data file formats to find exactly what you need. You can peruse the full list or search for data formats and file extensions based on the letter they start with from the table below.

NumberSymbolABCDEFGHIJK LMNOPQRSTUVWXYZFull List

Data File Formats and File Extensions - Complete List
.!bt	BitTorrent Incomplete Download file
.!qb	qBittorrent Partial Download file
.!ut	uTorrent Incomplete Download file
.#24	Printer data file for 24 pin matrix printer (LocoScript)
.#ib	Printer data file (LocoScript)
.#sc	Printer data file (LocoScript)
.#st	Standard mode printer definitions (LocoScript)
.$#!	Cryptext
.$$$	Temporary file
.$00	Pipe file (DOS)
.$01	Pipe file (DOS)
.$db	Temporary file (dBASE IV)
.$ed	Editor temporary file (MS C)
.$er	GroupWise Database
.$o1	Pipe file (DOS)
.$vm	Virtual manager temporary file (Windows 3.x)
.^^^	Pervasive.SQL Database file
.__a	File Splitter & Joiner Encrypted file
.__b	File Splitter & Joiner Encrypted Archive file
._dd	Norton Disk Doctor Recovered file
._eml	Windows Live Mail Email file
._nws	Windows Live Mail Newsgroup Copy file
._p	Malicious Software Removal Tool Temporary file
.~$~	Temporary file (1st Reader)
.~ap	Old AppExpert project database (Borland C++ 4.5)
.~de	Project backup (Borland C++ 4.5)
.~hm	HostMonitor TestList Backup file
.~mn	Menu backup (Norton Commander)
.{pb	Corel WordPerfect Document Index file
.201$201	Temporary file (1st Reader)
.000	Image Data Recovery file
Compressed harddisk data (DoubleSpace)
.001	Norton Ghost Span file
Multiple Volume Compressed file
Fax (many)
.075	75x75 dpi display font (Ventura Publisher)
.085	85x85 dpi display font (Ventura Publisher)
.091	91x91 dpi display font (Ventura Publisher)
.096	96x96 dpi display font (Ventura Publisher)
.0b	Printer font with lineDraw extended character set (PageMaker)
.0xe	F-Secure Renamed Virus file
.1	Inno Setup Binary file
Roff/nroff/troff/groff source for manual page (cawf2.zip)
.10	IBM Voice Type Script file
.113	Iomega Backup file
.123	Lotus 1-2-3 Spreadsheet file
.15u	Printer font with PI font set (PageMaker)
.1pe	TurboTax Form file
.1ph	TurboTax file
.1st	Usually README.1ST text
.2	Setup Factory 6.0 setup launcher
.264	Ripped Video Data file
.2d	2d Drawings (VersaCad)
.2da	2 Dimensional Data Array file
.2dl	2d Libraries (VersaCad)
.3d	3d Drawings (VersaCad)
.3dl	3d Libraries (VersaCad)
.3dv	3D VRML World
.301	Fax (Super FAX 2000 - Fax-Mail 96)
.386	Intel 80386 processor driver (Windows 3.x)
.3da	3D Assembly file
.3dd	ArcGlobe Document file
.3dr	3DMark Benchmark file
.3ds	Graphics (3D Studio)
.3dt	Database for 3D mind map / concept map (3D Topicscape)
.3fx	Effect (CorelChart)
.3g2	3GPP2 file format
.3gp	3GPP Multimedia file
.3gr	Data file (Windows Video Grabber)
.3ko	NGRAIN Mobilizer
.3me	TurboTax Form file
.3mm	3D Movie Maker Movie Project
.3pe	TurboTax 2008 Form file
.3t4	Binary file converter to ASCII (Util3)
.411	Sony Mavica Data file
.4c$	Datafile (4Cast/2)
.4dv	4D View Ultrasound file
.4mp	4-MP3 Database file
.4sw	4dos Swap File
.4th	Forth source code file (ForthCMP - LMI Forth)
.5cr	Preconfigured drivers for System 5cr and System 5cr Plus
.669	Music (8 channels) (The 669 Composer)
.6cm	Music (6 Channel Module) (Triton FastTracker)
.777	7-Zip compressed file archive
.7z	7-Zip archiving format
.8	A86 assembler source code file
.8b?	Adobe Photoshop Plugin file
.8ba	Adobe Photoshop Plugin file
.8bf	Adobe Photoshop Plugin file
.8bi	Adobe Photoshop Plugin file
.8cm	Music (8 Channel Module) (Triton FastTracker)
.8li	Photoshop Scripting Plug-in
.8m	Printer font with Math 8 extended character set (PageMaker)
.8pbs	Adobe Photoshop Macintosh file
.8u	Printer font with Roman 8 extended character set (PageMaker)
.a	Ada source code file
Library (unix)
.a0?	ALZip Split Archive file
.a11	Graphics AIIM image file
.a2b	A2B Player Playlist
.a3d	Amapi 3D Modeling file
.a3m	Unpackaged Authorware MacIntosh file
.a3w	Unpackaged Authorware Windows file
.a4a	Authorware 4.x Library
.a4m	Unpackaged Authorware MacIntosh file
.a4p	Authorware file packaged without runtime
.a4w	Unpackaged Authorware Windows file
.a5w	Unpackaged Authorware Windows file
.aa	Audible Audio file
.aab	Macromedia Authorware Binary
.aac	Advanced Audio Coding MPEG-2, MPEG-4
.aam	Authorware shocked file
.aax	Audible Audiobook file
.ab2	Parson's Address Book
.ab6	Datafile (ABStat)
.ab8	Datafile (ABStat)
.aba	Palm Address Book file
.abc	ActionScript Byte Code File
ABC FLOWCHARTER 1.x flowchart
ABC2K Audio/Video Controller Software
.abd	AmBiz Bonus Calculator data file
Adventure Builder database
.abf	Adobe Binary Font
.abi	ABI CODER Encryption software
AOL extension: AOL 6 Organizer
.abk	Automatic backup file (CorelDRAW)
.abm	ImagePals Photo Album Document
Montage Photo Album file
PhotoPlus Album file
.abr	Adobe Photoshop brush file
.abs	Abstracts (info file)
Data file (Abscissa)
MPEG audio sound file
.abw	AbiWord document
.abx	WordPerfect Address Book file
.aby	AOL file (located in AOL program directory)
.ac3	AC3 Audio File Format
.aca	Microsoft Agent Character file
Project (Project Manager Workbench)
.acb	Graphics (ACMB)
.acc	Program (DR-DOS - ViewMax) (GEM / resident)
.acd	Sonic Foundry Acid music file
.ace	Ace Archiver / WinAce compressed file
.acf	Microsoft Agent Character file
Adobe Photoshop Custom Filter
.aci	ACI Development Appraisal
.acl	Microsoft Office Auto Correction file
Document file (Audit Command Language)
ArborText Command Language
.acm	Audio Compression Manager Driver
Photoshop command button
Windows system file
ACBM image file
Interplay compressed Sound file
.acorn	ACORN Graphics format
.acs	MS Agent Character file
.acs2	AIMP2 Media Player Skin file
.acsm	Adobe Content Server Message file
.act	Actor source code file
Foxdoc Action Diagrams (FoxPro)
Presentation (Action!)
.acv	OS/2 Audio Drivers
Photoshop Saved Curve
.ad	Screen saver data (AfterDark)
.ada	Ada source code file
.adb	Ada Package Body
.adc	Bitmap graphics (16 colors) (Scanstudio)
.ade	Microsoft Access Project
.adf	Adapter Description file
Admin Config file
Amiga Disk File
Dog Creek QC Mask file
.adi	Graphics (AutoCAD)
.adl	Mca adapter description library (QEMM)
.adm	After Dark Screen Saver Module
Windows Policy Template
Addict Compiled Dictionary
Administrative template files for protected mode in Internet Explorer 7.0
Advantage Data Server Database Memo file
.adn	Add-in (Lotus 1-2-3)
.ado	Photoshop Duotone Options
Stata Program
.adp	FaxWorks Modem setup file
Astound Dynamite file
MS Access Project
AOLserver Dynamic Page file
.adr	Address Book
Address Plus Database
After Dark Random Screen Saver Module
Opera Web Browser Bookmark file
Smart Address Address Book
.ads	Ada Package Specification
.adt	Datafile for cardfile application (HP NewWave)
Fax (AdTech)
.adx	Document (Archetype Designer)
.adz	GZ-Packed Amiga Disk file
.aeh	iPer Advanced Embedded Hypertext
.aep	Adobe After Effects Project file
.aex	PGP Armored Extracted Public Encryption Key
After Effects Plugin file
.af2	Flowchart (ABC FlowCharter 2.0)
.aff	AnyForm Form file
.afi	Truevision bitmap graphics
.afl	Font file (for Allways) (Lotus 1-2-3)
.afm	Type 1 font metric ASCII data for font installer (ATM - many)
Datafile for cardfile application (HP NewWave)
.afs	Adobe Type Manager font set
.aft	AnyForm template file
.ag	Applixware graphics file
.agp	Aspen Graphics Pages
.agw	Aspen Graphics Windows
.ai	Vector graphics (Adobe Illustrator)
.aiff	Audio interchange file format
.ain	Compressed file archive created by AIN
.aio	APL file transfer format file
.air	Adobe AIR Installation Package file
Automatic Image Registration
.ais	Array of Intensity Samples graphics (Xerox)
.aix	Datafile for cardfile application (HP NewWave)
.ajp	JPEG2000 Digital closed-circuit television (CCTV) security camera video format
.alb	JASC Image Commander Album
Photo Soap2 file
Steinberg Cubase or VST Backup Song file
.albm	webAlbum Photo Album
HP Photosmart Photo Printing Album
.all	Format file for working pages (Always)
General printer information (WordPerfect for Win)
Symbol and font files (Arts & Letters)
.als	Alias Image
Calmira Shortcut file
.alt	Menu file (WordPerfect Library)
.alx	ActiveX Layout file
.alz	ALZip Compressed file
.amf	Music (Advanced Module Format)
.amff	Amiga Metafile
.amg	Compressed file archive created by AMGC
System image file (Actor)
.amp	Photoshop Arbitrary Map Settings
.amr	Adaptive Multi-Rate ACELP Codec
Above audio file extension
.amv	AMV Video file
.amx	After Effects Motion Exchange file
.anc	Animation file format (MorphInk)
.ani	Animation (Presidio - many)
.anm	Animation (Deluxe Paint Animator)
.ann	Help Annotations (Windows 3.x)
.ans	Ansi graphics (character animation)
Ascii text ANSI character set (NewWave Write)
.aos	Add-On Software (Nokia 9000)
ARCHOS 504 media
.ap	Compressed Amiga file archive created by WHAP
Datafile (Datalex EntryPoint 90)
Artwork Systems Program (ArtPro)
.apc	Printer driver (Lotus 1-2-3)
.apd	Printer driver (Lotus 1-2-3)
.ape	Music format (different players)
.apf	Printer driver (Lotus 1-2-3)
.api	Adobe Acrobat Plugin file
Passed parameter file (1st Reader)
Printer driver (Lotus 1-2-3)
.apk	Android Package file
.apl	APL work space format file
.apm	ArcPad 6 file
.app	Add-in application file (Symphony)
Application object file (dBASE Application Generator)
Executable application file (DR-DOS - NeXTstep - Atari)
Generated application (FoxPro)
.apr	Employee performance review (Employee Appraiser)
.aps	MS Visual C++ file
ArcPad 5 Symbology file
.apx	Appexpert database file (Borland C++ 4.5)
.arc	Compressed file archive created by ARC (arc602.exe/pk361.exe)
Compressed file archive created by SQUASH (squash.arc)
.arf	Automatic Response file
.arg	AutoCAD Profile Export file
.ari	Compressed file archive created by ARI
.arj	Compressed file archive created by ARJ (arj241.exe)
.arl	AOL Organizer File
.ark	Arc file archive created by CP/M port of ARC file archiver
Compressed file archive created by QUARK
.arr	Arrangement (Atari Cubase)
.ars	Adobe After Effects Render
.art	Graphics (scrapbook) (Art Import)
Raster graphics (First Publisher)
.arv	Arsiv File
AutoRoute User Information
.arx	Compressed file archive created by ARX
.asa	MS Visual InterDev file
Active Server Document
.asc	Ascii text file
Adobe ActionScript Communication file
Transport armor file (PGP)
.ascx	Microsoft ASP.NET user control file
.asd	Autosave file (Word for Windows)
Presentation (Astound)
Screen driver (Lotus 1-2-3)
.asf	Datafile (STATGRAPHICS)
Screen font (Lotus 1-2-3)
.ash	Assembly language header file (TASM 3.0)
.asi	Assembler include file (Turbo C - Borland C++)
.asl	Adobe Photoshop Layer file
.asm	Assembly source code file
Pro/Engineer Assembly file
.asmx	Microsoft .NET Web Service file
.aso	Assembler object (object orientated) file (Turbo Assembler)
.asp	Microsoft Active Server Page
Aspect source code file (Procomm Plus)
Association of Shareware Professionals OMBUDSMN.ASP notice
.aspx	Microsoft ASP.NET file
.asr	Ms Automap Route
Photoshop Scratch Area
.asx	Microsoft Windows Media Active Stream Redirector file
.asx	Microsoft Advanced Streaming Format
.at2	Auto template (Aldus Persuasion 2.0)
.atm	Adobe Type Manager data/info
.atn	Adobe Photoshop Action file
.atr	Lightscape Material Library
.att	AT&T Group 4 Bitmap
.aty	3D Topicscape (Exported association type)
.au	Sound (audio) file (SUN Microsystems)
.au3	Autoit3 script file
.aud	Audio file
.aut	AutoIt Script
PocketWear Car Lease Kit vehicle data file
TLG Workplace CD search file
Xitami Webserver Admin Password file
GPSMan-autoMapic file
Signwave Auto-Illustrator file
Descent Manager Mission file
Authentication file (various)
Interactive Pictures iPIX Format
.aux	Auxillary references (TeX/LaTeX)
Auxiliary dictionary (ChiWriter)
.ava	Publication (Avagio)
.avb	Inoculan Anti-Virus virus infected file
Microsoft Chat character file
.avd	Avery Label Pro Data file
.avi	Audio Video Interleaved animation file (Video for Windows)
.avr	Audio Visual Research file
.avs	Animation file
Application Visualization System Format
Stardent AVS-X image
Winamp Advanced Visualization Studio file
.avx	ArcView file
.aw	Text file (HP AdvanceWrite)
Answer Wizard for Microsoft Help
.awb	Lavasoft Ad-aware backup file
.awd	AWD MS Fax
Award BIOS file
AWK Language Source Code file
.awe	Adobe Acrobat Bookmark XML file
.awk	Awk script/program
.awm	Movie (Animation Works)
.awp	Microsoft Fax key viewer
.awr	Telsis Digital Audio file
.aws	Data (STATGRAPHICS)
.ax	DirectShow Filter
.axd	Avery Label Pro Re-Index file
Actrix Technical file
.axe	Paradigm C++ Integrated Debugger file
ChordMaster
MS Autoroute export file
.axg	MS Autoroute Trip file
.axl	ArcIMS XML Project file
.axs	AMX Axcess control system file format
HTML Active X script
.axt	ZenWorks snAPPshot ASCII Application Object template
Photoshop Replace Color/Color Range
.axx	axxess files used as backups of Inter-Tel databases
.azw	Amazon Kindle eBook File
.azz	AZZ Cardfile
.b	Batch list (APPLAUSE)
.b&w	Black and white graphics (atari - mac)
.b~k	backup file
Mono binary screen image (1st Reader)
.b00	CD Image Segment file
.b16	PCO Graphic file
.b1n	Both mono and color binary screen image (1st Reader)
.b1s	Booksmith
.b30	Printer font (JLaser - Cordata) (Ventura Publisher)
.b3d	3D Builder file
.b5i	Blindwrite 5 Disk Image file
.b5t	Blindwrite 5 Image Information file
.b6i	Blindwrite 6 Disk Image file
.b6t	Blindwrite 6 Image Information file
.b8	Raw graphics (one byte per pixel) plane two (PicLab)
.b_w	Black and white graphics (atari - mac)
.bad	Bad file (Oracle)
.bag	PMMail Mail Index file
OS/2 Netfinity Manager Sysinfo file
AOL Instant Messenger file
.backup	Ad-Aware Reference file
.bak	Backup file
.bal	Music score (Ballade)
.ban	Sierra Print Artist Banner
.bar	Horizontal bar menu object file (dBASE Application Generator)
.bas	Basic source code file
Microsoft Visual Basic class module
.bat	Batch file (DOS)
.bb	Database backup (Papyrus)
.bba	Settler IV Archive file
.bbl	Bibliographic reference (TeX/BibTeX)
.bbm	Brush (Deluxe Paint)
.bbs	Bulletin Board System announce or text info file
.bc!	Bitcomet Incompleted Download file
.bcf	ConfigSafe Snapshot index
Belarc Advisor Content File
The Sims (Maxis) File
.bch	Batch process object file (dBASE Application Generator)
Datafile (Datalex EntryPoint 90)
.bck	Backup
.bcm	MS Works Communications file
.bcn	Business Card Pro Design
.bco	Outline font description (Bitstream)
.bcp	Borland C++ makefile
.bct	Business Card Designer template
.bcw	Environment settings (Borland C++ 4.5)
.bde	Borland Database Engine
.bdf	Bitmap Distribution Format font file (X11)
Datafile (Egret)
.bdm	AVCHD Index file
.bdmv	Blu-ray information file
.bdr	Border (MS Publisher)
.bez	Outline font description (Bitstream)
.bf2	Bradford 2 font
.bff	Binary file format
.bfm	Font metrics (unix/Frame)
.bfs	Tivoli Storage Manager file
.bfx	Fax (BitFax)
.bga	Bitmap graphics
.bgt	Quicken 2002 Internet Common File
.bgi	Borland Graphics Interface device driver
.bgl	Flight Simulator scenery file
.bgt	Quicken 2002 Internet Common File
.bib	Bibliography (ASCII)
Database - not compatible with TeX format (Papyrus)
Literature database (TeX/BibTeX)
.bic	Civilization III Scenario
.bid	BidMaker 2002 file
.bif	Binary Image Format b&w graphics (Image Capture board)
.bik	BioCharter Profile backup file
Bink Game video file
.bin	Binary file
.bio	OS/2 BIOS
.bip	Free-motion capture files for character studio biped
.bit	Bitmap Image
Worms Armageddon Imported Map
Worms World Party Imported Map
.bk	Faxbook (JetFax)
.bk!	Document backup (WordPerfect for Win)
.bk1	Timed backup file for document window 1 (WordPerfect for Win)
.bk2	Timed backup file for document window 2 (WordPerfect for Win)
.bk3	Timed backup file for document window 3 (WordPerfect for Win)
.bk4	Timed backup file for document window 4 (WordPerfect for Win)
.bk5	Timed backup file for document window 5 (WordPerfect for Win)
.bk6	Timed backup file for document window 6 (WordPerfect for Win)
.bk7	Timed backup file for document window 7 (WordPerfect for Win)
.bk8	Timed backup file for document window 8 (WordPerfect for Win)
.bk9	Timed backup file for document window 9 (WordPerfect for Win)
.bkf	Microsoft Backup file
.bkg	Background file
UWXAFS Binary Format Data file
.bkp	Backup file (Write - TurboVidion DialogDesigner)
.bkw	Mirror image of font set (FontEdit)
.blb	DreamWorks Resource Archive
.bld	Bloadable picture (BASIC)
.blend	Blender 3D file
.blf	Windows Registry Recovery file
Bantec Scanner Driver file
.blg	Binary Performance Log File
.blk	Temporary file (WordPerfect for Win)
Lightscape Block Library
Alias Wavefront Image
VersaPro Block
.blob	Steam Archive file
.blt	Saved AIM Buddy List file
Wordperfect for DOS file
.bm	Bitmap graphics
.bmf	Corel Image file
.bmi	3ds max Executable
.bmk	Help Bookmarks (Windows 3.x)
.bmp	Bitmap graphics (PC Paintbrush - many)
.bmx	Buzz music file
.bnd	Typequick file
.bndl	Bundle file
.bnk	Adlib instrument bank file
.bob	BobDown Downloading Program
Bob Raytracer
.bom	MicroSim PCBoard Bill of Materials
Orcad Schematic Capture Bill of Materials file
Softshare Delta Business Object Model
.boo	Compressed file ASCII archive created by BOO (msbooasm.arc)
.book	Adobe FrameMaker Book
HTMLDOC document
.bot	Linkbot file
.box	Myriad Jukebox file
Notes Mailbox
.bpc	Chart (Business Plan Toolkit)
.bpl	Delphi Library
.bpt	Bitmap fills file (CorelDRAW)
.bqy	BrioQuery file
.br	Script (Bridge)
.brd	Eagle Layout file
.brf	Braille ASCII file
.brk	Fax (Brooktrout Fax-Mail)
.brn	BornoSoft Bangla2000 (a Bengali word processor) File extension
.bro	Tree Professional Broadleaf Creator file
.brp	Tree Professional Broadleaf Creator image
.brt	Micrografx Picture Publisher file
.brx	Multimedia browsing index
.bsa	Compressed file archive created by BSARC
.bsb	MapInfo Sea Chart
SWAT Sub-basin Output file
.bsc	Compressed Apple II file archive created by BINSCII
Database (Source Browser)
Pwbrmake object file (MS Fortran)
.bsdl	Boundary Scan Description Language
.bsl	BSPlayer Configuration file
.bsp	Half-life/TFC/CS Map
Quake Map
.bst	BibTeX Style file
.bsv	Bluespec System Verilog file
.bt!	BitTorrent Partial Download file
.btm	Batch To Memory batch file (4DOS)
.btn	Buttonware file
.bto	Baytex Organix! 2001 Language Kit
.btr	Btrieve Database file
MS Frontpage-related file
.btx	DB/TextWorks Database Term & Indexes
.bud	Quicken Backup
.bug	Bugs and Problems
.bun	Bundled Audio files
.bup	DVD Backup file
.but	Button definitions (Buttons!)
.buy	Datafile format (movie)
.bv1	Overflow file below insert point in Doc 1 (WordPerfect for Win)
.bv2	Overflow file below insert point in Doc 2 (WordPerfect for Win)
.bv3	Overflow file below insert point in Doc 3 (WordPerfect for Win)
.bv4	Overflow file below insert point in Doc 4 (WordPerfect for Win)
.bv5	Overflow file below insert point in Doc 5 (WordPerfect for Win)
.bv6	Overflow file below insert point in Doc 6 (WordPerfect for Win)
.bv7	Overflow file below insert point in Doc 7 (WordPerfect for Win)
.bv8	Overflow file below insert point in Doc 8 (WordPerfect for Win)
.bv9	Overflow file below insert point in Doc 9 (WordPerfect for Win)
.bwa	BlindWrite Disk Image Information file
.bwb	Spreadsheet application (Visual Baler)
.bwi	Blindread/Blindwrite
.bwr	Beware (buglist) (Kermit)
.bws	Blindwrite Sub Channel Data File
.bwt	Blindread/Blindwrite
.bxx	blaxxun Contact
.bz2	Bzip 2 UNIX Compressed file
.c	C source code file
Compressed unix file archive created by COMPACT
.c++	C++ source code file
.c--	Source code (Sphinx C--)
.c00	Print file (Ventura Publisher)
WinAce Split Archive file
.c01	Genesis 2000
.c2d	WinOnCD CD Image
.c4d	MAXON Cinema 4D File (Graphics)
.c60	Midtronics Battery Management Software
.c86	C source code file (Computer Innovation C86)
.ca	Initial cache data for root domain servers (Telnet)
.cab	Cabinet File (Microsoft installation archive)
.cache	Cache file (typically Web cache)
.cad	Softdesk Drafix CAD File
.cac	dBASE IV executable when caching on/off (see cachedb.bat)
.cad	Document (Drafix Windows CAD)
.cag	MS Clip Gallery Catalog file
.cal	Calendar file (Windows 3.x)
Calendar Maker Pro
.calb	Coolect Album file (Coolect Album Player)
Spreatsheet (SuperCalc)
.cam	Casio Camera Graphic
.can	Fax (Navigator Fax)
.cap	Caption (Ventura Publisher)
Session capture file (Telix)
.car	AtHome Assistant file
Carrara Environment
NeoBook Cartoon
.cas	Comma-delimited ASCII File
.cat	Catalog (dBASE IV)
.cb	Clean Boot File (Microsoft)
Brief Macro Source Code
.cbc	Fuzzy logic system (CubiCalc)
.cbf	Calendar Builder file
.cbl	Cobol source code file
.cbm	Compiled bitmap graphics (XLib)
.cbp	CentralBuilder Project
.cbr	ComicBook Reader File archive (CDisplay image viewer)
.cbt	Computer Based Training (many)
.cbz	ComicBook Reader File archive (CDisplay image viewer)
.cc	C++ source code file
.cca	CC:Mail archive file
.ccb	Visual Basic Animated Button Configuration
.ccc	Bitmap graphics (native format) (Curtain Call)
.ccd	CloneCD Related file
Vector CAD Program file
.cce	Calendar Creator 2 Event file
.ccf	Communications configuration file (Symphony)
.cch	Chart (CorelChart)
.ccl	Communication Command Language file (Intalk)
.cco	Btx Graphics file (XBTX)
.cct	Macromedia Director Shockwave file
.ccx	Corel PrintHouse file
.cda	CD Audio Track
.cdb	Card database (CardScan)
Main database (TCU Turbo C Utilities)
.cdd	ConceptDraw Document file
.cde	Honeywell Hybrid Control Designer
.cdf	Component Definition file
Graphics (netcdf)
.cdg	Compact Disc Plus Graphics file
.cdi	Phillips Compact Disk Interactive format
DiscJuggler Image file
.cdk	Document (Atari Calamus)
.cdl	CaseWare Working Papers Document Link
SignLab Vector Graphic
.cdm	Media Maker Disk Image file
Visual dBASE Custom Data Module
.cdp	Visual Objects Developer file
CD/Spectrum Pro
.cdr	Vector graphics (CorelDRAW native format)
.cdt	Data (CorelDraw 4.0)
.cdx	CorelDraw Compressed Image file
Compound index (FoxPro)
.ce	Main.ce (The FarSide Computer Calendar)
.ceb	Apabi eBook file
.ceg	Bitmap graphics (Tempra Show - Edsun Continuous Edge Graphics)
.cel	Graphics (Autodesk Animator - Lumena)
.cf	Sendmail Configuration file
Configuration file (imake)
.cfb	Comptons multimedia file
.cfc	Macromedia Coldfusion component extension
.cfg	Configuration
.cfl	Chart (CorelFLOW)
.cfm	ColdFusion Markup Language (Allaire)
.cfn	Font data (Atari Calamus)
.cfo	C Form Object internal format object file (TCU Turbo C Utilities)
.cfp	Quicken Cash Flow Projection file
Fax (The Complete Fax Portable)
.cfr	Crossfire Replay file
.cga	CGA display font (Ventura Publisher)
.cgd	Cricket Graph Data file
.cge	CCD Astrocamera
.cgi	Common Gateway Interface script
.cgm	Computer Graphics Metafile vector graphics (A&L - HG - many)
.ch	Header file (Clipper 5)
.ch3	Chart (Harvard Graphics 3.0)
.ch4	Presentation (Charisma 4.0)
.chd	Font descriptor (FontChameleon)
.chi	Document (ChiWriter)
.chk	Recovered data (ChkDsk)
Temporary file (WordPerfect for Win)
.chl	Configuration History Log
.chm	Compiled HTML
.chn	Data (Ethnograph 3)
.cho	ChordPro file
.chp	Chapter file (Ventura Publisher)
.chr	Character set (Turbo C - Turbo Pascal)
.cht	Chart (Harvard Graphics 2.0 - SoftCraft Presenter)
Interface file for ChartMaster (dBASE)
.chw	Compiled Help Index file
.cid	AnalogX Caller ID file
.cif	Caltech Intermediate Format graphics
Chapter information (Ventura Publisher)
.ciff	Canon CIFF
.cil	Clip Gallery Download Package
.cit	Intergraph Raster File Reference
.cix	Database index (TCU Turbo C Utilities)
.ckb	Keyboard mapping (Borland C++ 4.5)
.cl	Common LISP source code file
.cl3	Easy CD Creator Layout file
.cl4	Easy CD Creator Layout file
.cl5	Easy CD Creator Layout file
.class	Java class file
.clb	ICQ Contact List
MS Office XP Developer Code Librarian
cdrLabel Compact Disc Label
.clg	Windows Catalog file
.cli	Client Management System Customer file
.clm	COLIMO file
.clp	Clip art graphics (Quattro Pro)
Clipboard file (Windows 3.x)
Compiler script file (clip list) (Clipper 5)
.clpi	Blue-ray Disc Clip Information file
.clr	Color binary screen image (1st Reader)
Color definitions (Photostyler)
.cls	C++ class definition file
.cm	Data file (CraftMan)
.cmd	Batch file (OS/2)
Command (dBASE - Waffle)
External command menu (1st Reader)
.cmf	FM-music file (Creative Music File)
.cmg	CMG file
.cmk	Card (Card Shop Plus)
.cml	COMAL programming language
.cmm	Cmm script (batch) file (CEnvi)
.cmo	Virtools Composition file
.cmp	Header file for PostScript printer files (CorelDRAW)
User dictionary (MS Word for DOS)
Bitmap graphics (Lead CMP compression)
.cmq	Culturemetrics file
.cmt	Culturemetrics file
.cms	TrialDirector media storage
.cmv	Animation (CorelMove CorelDraw 4.0)
.cmx	Corel PhotoPaint Image
Corel Presentation Exchange Image
The Sims (Maxis) 3D Body Mesh Data
Apple Viewer file
.cnc	CNC general program data
.cnd	ControlDraw file
Embroidery Design file
.cnf	Configuration (program - printer setup)
.cnt	Helpfile contents
.cnv	Data conversion support file (Word for Windows)
Temporary file (WordPerfect for Win)
.cob	Cobol source code file
.cod	Datafile (Forecast Plus - MS Multiplan - StatPac Gold)
Program compiled code (FORTRAN)
Template source file (dBASE Application Generator)
Videotext file
.col	Color palette (Autodesk Animator - many)
Spreadsheet (MS Multiplan)
.com	Command (memory image of executable program) (DOS)
.con	Configuration file (Simdir)
.conf	Configuration file
.config	Configuration file
.cor	Protein Structure file
Web GPS Correction Server Export file
WMOVIEC Input file
.cpd	Script (Complaints Desk)
.cpe	MS Fax Cover Sheet
.cpf	Fax (The Complete Fax)
Clever Cache Profile file
.cph	Corel Print House image
.cpi	Code Page Information file (DOS)
AVCHD Clip Information
Colorlab Processed Image bitmap graphics
.cpl	Control panel file (Windows 3.x)
Presentation (Compel)
.cpo	Corel Print House file
.cpp	C++ source code file
Presentation (CA-Cricket Presents)
.cpr	Cubase Project file
.cps	Backup of startup files by Central Point PC Tools autoexec.cps
coloured postscript files
.cpt	Compressed Mac file archive created by COMPACT PRO (ext-pc.zip)
Corel Photo-Paint Image
Encrypted memo file (dBASE)
Template (CA-Cricket Presents)
.cpx	Control Panel Applet
Corel Presentation Exchange Compressed Drawing
.cpy	Copy Books Data file
.cpz	Music text file (COMPOZ)
.cr2	Canon Raw Image file
.crc	Total Commander CRC file
.crd	Cardfile (Windows 3.x - YourWay)
ColdRED Script file
Guitar Chord file
.crf	Cross-reference (MS MASM - Zortech C++)
.crh	Links Games Course file
MS Golf Image file
.crp	Encrypted database (dBASE IV)
.crs	File Conversion Resource (WordPerfect 5.1)
.crt	Terminal settings information (Oracle)
Security certificate (Windows Sharepoint)
.crtr	Multi-Ad Creator 7 document
.crtx	Microsoft Chart Template file
.cru	Compressed file archive created by CRUSH
.crw	Canon RAW Image file
.crx	Chrome Extension file
Links Games Course file
.crz	Links Games Course file
.cs	Visual C# Source file
.csa	Comma Deliminated Text
Ultimate Ride Roller Coaster
.csf	Adobe Colour Settings file
Van Dyke's CRT/SecureCRT Script file
.csg	Graph (Statistica/w)
.csh	Hamilton Labs C Shell Script file
.csk	Claris Works
.csm	Precompiled headers (Borland C++ 4.5)
.cso	Compressed ISO Image file
.csp	PC Emcee Screen Image file (Computer Support Corporation)
.css	Cascading Sheet Style file
Datafile (CSS - Stats+)
Datasheet (Statistica/w)
.cst	Macromedia Director Cast file
Panasonic music file (keyboard)
.csv	Comma Separated Values text file format (ASCII)
Adjusted EGA/VGA palette (CompuShow)
.ct	Continous Tone file
.ctc	Control file (PC Installer)
.ctd	Cobra Track Dump
Cardtable file
Marine Data file
Simpsons Cartoon Studio Export file
.ctf	Character code translation file (Symphony)
.ctg	Canon Catalog file
Cartridge Definition file
ChessBase Opening Book
Canon Powershot Pro 70 Info file
.ctl	Microsoft Visual Basic Control file
Control file (dBASE IV - Aldus Setup)
Setup information
.ctn	CADTERNS file
.ctt	Messenger contacts file
Labview file
.ctu	CZTU, a gamma-ray analysis program. Need the CTZU.exe file to work
.ctx	Course TeXt file (Microsoft online guides)
Ciphertext file (Pretty Good Privacy RSA System)
.cty	SimCity City file
.cue	MS Cue Cards data
.cuf	C Utilities Form definition (TCU Turbo C Utilities)
.cul	Windows cursor library (IconForge, ImageForge, ImageForge PRO)
.cur	Cursor image file (Windows 3.x)
.cut	Bitmap graphics (Dr. Halo)
Dr Halo CUT files
.cv4	Color file (CodeView)
.cv5	Canvas version 5
.cva	ACD Canvas Sequence Set file
Compaq Diagnostics
.cvb	Borland BDE File
.cvd	Bitdefender
.cvp	Cover page (WinFax)
.cvr	WinFax Cover Sheet
ElectraSoft Fax Cover Sheet
.cvs	Graphics (Canvas)
.cvt	Backup file for CONVERTed database file (dBASE IV)
.cvw	Color file (CodeView)
.cwk	Claris Works data
.cwz	CropWalker file
.cxf	Google Picasa Collage file
.cxp	Core Media Player XML-based Playlist File
.cxt	Macromedia Director Protected Cast file
.cxx	C++ source code file (Zortech C++)
.d	D programming language source code
GBG DraftMaker Drawing File
.d00	Blaster Master Pro File
AdLib Format File
.d10	H&R Block Deduction Pro file
Drake Software Dat file
.d2s	Character file (Diablo 2)
.d3d	File Extension for Desktop-3D Notes
Compressed Draw 3D file
.d64	Commodore 64 Emulator Disk Image
.dat	Data file in special format or ASCII
Gunlok Archive
Mitsubishi DJ-1000 and Photorun Native Format
Nascar Racing Archive
SPOT Graphic
WordPerfect Merge Data
.data	Sid Tune audio file
.day	Journal file
.db	Configuration (dBASE IV - dBFast)
Database (Paradox - Smartware)
.db$	Temperature debug info (Clarion Modula-2)
Temporary file (dBASE)
.db2	Database (dBASE II)
.db3	Database (dBASE III)
.dba	Datafile (DataEase)
Palm Desktop Date Book Archive
.dbb	ANSYS Database Backup
Mopheus music file
.dbd	Business data (Business Insight)
Debug info (Clarion Modula-2)
.dbf	Database file (dBASE III/IV - FoxPro - dBFast - DataBoss)
Oracle 8.x Tablespace File
.dbg	Symbolic debugging information (MS C/C++)
.dbk	Database backup (dBASE IV)
.dbl	Windows XP Activation file
.dbm	Datafile (DataEase)
Cold Fusion Template
Menu template (DataBoss)
.dbo	Compiled program (dBASE IV)
.dbs	Database in SQL Windows format
Datafile (PRODAS)
Printer description file (Word - Works)
.dbt	Data Base Text (Clipper)
Foxbase+ style memo (FoxPro)
Memo file for database w/same name (dBASE IV - dBFast)
.dbw	Windows file (DataBoss)
.dbx	Database
DataBeam Image
MS Visual Foxpro Table
Outlook Express e-mail folder file
.dca	Document Content Architecture text file (IBM DisplayWrite)
.dcf	Disk image file
.dcm	DCM Module Format
Dicom
.dcp	Data CodePage (OS/2)
.dcr	Kodak Proprietary Image Format
Shockwave file
.dcs	Bitmap graphics (CYMK format) (QuarkXPress)
Datafile (ACT! Activity Files)
.dct	Database dictionary (Clarion Database Developer)
Spell checking dictionary (Harvard Graphics 3.0 - Symphony)
.dcx	FAX Image
ElectraSoft Fax
PC-Paintbrush file
Bitmap Graphics (Multipage PCX)
Macros
MS Visual Foxpro Database Container
.dd	Compressed Macintosh file archive created by DISKDOUBLER
.ddat	DivX Temporary file
.ddb	Bitmap graphics
.ddc	DivX Descriptor Description File
.ddf	MS Data Definition Language file
.ddi	Diskdupe Image file (ddupe322.zip)
.ddp	Device Driver Profile file (OS/2)
.de	MetaProducts Download Express incompletely downloaded file
.de7	Dance E jay 7 File
.deb	Debug script (DOS Debug)
.dec	VersaPro Declaration file
.def	Assembly header file (Geoworks)
DATAIR data entry format file
Defaults - definitions
.dem	Demonstration
Graphics (VistaPro)
.des	Description Text
Tribes 2 Game file
Quickbooks Template
Pro/DESKTOP file
Interscope BlackBox file
.dev	Device driver
.dfd	Data Flow Diagram graphic (Prosa)
.dff	Criterion RenderWare 3.x 3D object format
.dfi	Outline font description (Digifont)
.dfl	Default program settings (Signature)
FreshDownloads (FreshDownload List temp file)
File Extension for Desktop-3D Notes
.dfm	Data Flow Diagram model file (Prosa)
.dfs	Delight Sound file
.dft	Fakt2000 file
SolidEdge CAD file
Workshare Synergy file
PC Draft file
.dfv	Printing form (Word)
.dfx	Drafix file
.dgn	Graphics (MicroStation)
.dgr	Fax Page (MS Outlook Express)
DART Pro 98 File Group Details
.dgs	Diagnostics
.dh	Dependency information for .ph (Geoworks)
.dhp	Dr. Halo PIC Format graphics (Dr. Halo II - III)
.dht	Datafile (Gauss)
.dhy	Adobe Bridge file
.dia	Diagraph graphics (Computer Support Corporation)
.dib	Bitmap graphics (Device-Independent Bitmap)
.dic	Lotus Notes / Domino dictonary file
.dif	Database (VisiCalc)
Output from Diff command - script for Patch command
Text file (Data Interchange Format)
.dig	Digilink Format
Sound Designer Audio File
Text Document
.dip	Graphics
.dir	Adobe Director Movie File
Dialing directory file (Procomm Plus)
Directory file (VAX)
Movie (MacroMind Director 4.x)
.dis	DATAIR data import specification file
Distribution file (VAX Mail)
Thesaurus (CorelDraw)
>
.divx	DivX Encoded Movie file
.diz	Description file (Description In Zip)
.dje	MattBatt iAM-player
.djv	DJVu Scanned file
.djvu	DJVu file
.dkb	Raytraced graphics (DKBTrace)
.dl	Animation (Italian origin)
.dl_	Compressed .dll file in an Install Archive
.dld	Data (Lotus 1-2-3)
.dlg	Dialog resource script file (MS Windows SDK)
.dll	Dynamic Link Library (Windows 3.x - OS/2)
Export/import filter (CorelDRAW)
.dls	Setup (Norton Disklock)
.dmf	Delusion/XTracker digital music file
Packed Amiga Disk Image
.dmg	Macintosh OS X Disk Image file
.dml	Medical Manager DML System Script
.dmo	Demo (Derive)
.dmp	Dump file (eg. screen or memory)
.dms	Compressed Amiga file archive created by DISKMASHER
.dmsk	DivX Web Player Temporary file
.dna	Desktop DNA data storage file
.dnasym	Desktop DNA compiled application script
.dnax	Desktop DNA exclusion list (text)
.dne	Netica Bayes net file (Norsys Software Corp.)
.dng	Adobe Digital Negative fFile
Dungeon file
.dnl	DigitalWebBook Electronic Book
netMod Modem Firmware Upgrade file
.do	ModelSim Filter Design HDL Coder
.doc	Document text file
.docm	Open XML Macro-enabled Document file (Microsoft Word 2007 / Word 2010)
.docx	Open XML Document text file (Microsoft Office 2007 / Office 2010)
.dog	Screen file (Laughing Dog Screen Maker)
.doh	Dependency information for .poh (Geoworks)
.dol	Nintendo Executable file
.dos	External command file (1st Reader)
Network driver (eg. pkt_dis.dos)
Text file containing DOS specific info
.dot	Line-type definition file (CorelDRAW)
Template (Word for Windows)
.dotx	Microsoft Word 2007 / Word 2010 Template file
.dox	Text file (MultiMate 4.0)
.doz	Description Out of Zip (VENDINFO)
.dp	Calendar file (Daily Planner)
Data file (DataPhile)
.dpg	Nintendo DS MPEG Video File
.dpk	Delphi Package file
.dpp	Serif DrawPlus Drawing
.dpr	Default project- and state-related information (Borland C++)
.dps	DivX Player Skin file
.dpt	Desktop DNA template
.dpx	Digital moving picture exchange format
.dra	Map Maker Pro GIS vector layer
.drs	Display Resource (WordPerfect for Win)
.drv	Device driver eg. for printer
.drw	Drawing (various)
Vector graphics (Micrografx Designer)
.ds	Twain Data Source file
.ds4	Vector graphics (Micrografx Designer 4.0)
.dsa	DasyTec DASYLab file
.dsb	DasyTec DASYLab file
.dsc	Discard file (Oracle)
.dsd	Database (DataShaper)
.dsf	Micrografx Designer
PC-TRUST Document Signer
Delusion/XTracker Digital Sample
.dsk	Project desktop file (Borland C++ - Turbo Pascal)
Simple IDs (database)
.dsm	Digital sound module (DSI)
.dsn	ODBC Data Source file
Design (Object System Designer)
.dsp	Display parameters (Signature)
Graphics display driver (Dr.Halo)
MS Developer Studio Project
ReaderX and DragonStar Pro Ltd file extensions
.dsp2	ReaderX and DragonStar Pro Ltd file extensions
.dsr	Driver Resource (WordPerfect for Win)
.dss	Screensaver file (DCC)
Sound (Digital Soup)
.dst	PC-RDist Distribution file
Embroidery Machine Stitch file (VeePro)
.dsw	Desktop settings (Borland C++ 4.5)
.dsy	PC Draft Symbol Library
.dt_	Data fork of a Macintosh file (Mac-ette)
.dta	Data file (Turbo Pascal - PC-File - Stata)
.dtd	SGML Document Definition file
.dtf	Database file (PFS - Q&A)
.dtp	Document (Timeworks Publisher3)
Publication (Publish-It!)
.dup	Duplicate Backup
.dus	Readiris font dictionary
.dvc	Data (Lotus 1-2-3)
.dvf	DV Studio Camcorder Graphics file
.dvi	Device Independent document (TeX)
.dvp	Desqview Program Information file (DESQview)
Device parameter file (AutoCAD)
.dvr	Windows Media Center Recorded file
DR-92 Manager file
.dvr-ms	files created by Stream Buffer Engine(SBE)
.dw2	Drawing (DesignCAD for windows)
.dwc	Compressed file archive created by DWC (dwc-a501.exe)
.dwd	Davka Writer file
DiamondWare Digitized file
.dwf	Autodesk WHIP! Drawing Web file
MS WHIP autoCAD REader Drawing Web file
.dwg	Drawing (Drafix)
Drawing database (AutoCAD)
.dwk	DADiSP Worksheet File
.dwl	Drawing Lock file
.dwt	AutoCAD Template/Prototype file
Macromedia Dreamweaver Template file
Demon's World Game Texture file
.dwz	DVD movieFactory 3
.dx	Text file (DEC WPS/DX format - DEC WPS Plus)
.dxf	Drawing Interchange File Format vector graphics (AutoCAD)
.dxn	Fax (Fujitsu dexNET)
.dxr	Adobe Director Movie File
Dependable Strengths Administrator Resources
Green Building Advisor file
Macromedia Director Protected Movie file
.dyc	ICUII Videochat file
.dylib	Apple osx extension for lib
.dyn	Data (Lotus 1-2-3)
.dz	Dzip Compressed file
.e3p	CIM-Team E3.series parts file
.e3s	CIM-Team E3.series project file format
.e3t	CIM-Team E3.series template file
.e3v	CIM-Team E3.series viewer project file format
.eap	Enterprise Architect Project file
.ear	Java Enterprise Application Packaging Unit
.eas	Elite Visual Basic API Spy
.ebj	Error-checking object file (Geoworks)
.ebo	MS Reader Ebook Format
.ebp	Pocket PC WindowsCE Project file
.ecf	Microsoft Outlook Add-on file
Microsoft Exchange Extended Configuration file
WinFax Office Add-in file
.eco	NetManage ECCO file
.ecw	Ensoniq Waveset Format
EclipseCrossword Crossword Puzzle
.edb	MS Exchange Database
ROOTS3 geneological data
.edl	Edit Decision List (management for video/film post production)
.edr	Portable energy file - GROMACS 3.3
.eds	Ensoniq SQ80 disk image
.edt	Default settings (VAX Edt editor)
.eeb	Button bar for Equation Editor (WordPerfect for Win)
.efe	Ensoniq EPS file
.eft	High resolution screen font (ChiWriter)
.efx	Fax (Everex EFax)
.ega	EGA display font (Ventura Publisher)
.ek5	SonarData Echoview file
.ek6	SonarData Echoview file
.ekm	EXP: The Scientific Word Processor Macro
.el	Elisp source code file (Emacs lisp)
.elc	Compiled ELISP code (Emacs lisp)
.elm	MS FrontPage Theme-Pack file
.elt	Event list text file (Prosa)
.email	Outlook Express Mail Message
.emb	Everest Embedded Bank File
.emd	ABT Extended Module
.emf	Enchanced Metafile graphics
.eml	Electronic Mail (Email) Message file
.emp	E-Music File Format
.ems	PC Tools Enhanced Menu System Config
.emu	Terminal emulation data (BITCOM)
.emx	Ensuredmail encrypted file/e-mail message
IBM Rational modeller software
.emz	Windows Compressed Enhanced Metafile
.enc	Encoded file - UUENCODEd file (Lotus 1-2-3 - uuexe515.exe)
Music (Encore)
.end	Arrow-head definition file (CorelDRAW)
.eng	Dictionary engine (Sprint)
Graphics (charting) (EnerGraphics)
.ens	EndNote Styles file
.env	Enveloper macro (WOPR)
Environment file (WordPerfect for Win)
.eot	MS WEFT Embedded OpenType file
.epd	Publication (Express Publisher)
.epf	Encryption Protection (encrypted file format)
The extension of the Entrust Profile files.
.epi	Document (Express Publisher)
.epp	EditPad Pro Project
.eps	Encapsulated PostScript vector graphics (Adobe Illustrator)
Printer font (Epson - Xerox..) (Ventura Publisher)
.epub	Open Electronic Book file
.eqn	Equation (WordPerfect for Win)
.erd	Entity Relationship Diagram graphic file (Prosa)
.erm	Entity Relationship Diagram model file (Prosa)
.err	Error log
Error messages for command line compilers
.esp	Ventura file
.esh	Extended Shell batch file
.esl	MS Visual FoxPro Distributable Support Library
.ess	EXP: The Scientific Word Processor Style Sheet
.est	MS Streets & Trips 2001 Trip file
.etf	Enriched Text file
PolyEdit file
.eth	Document (Ethnograph 3)
.ets	eSignal Time and Sales file
.etx	Structure Enhanced (setext) text
.ev	SonarData Echoview file
.evi	SonarData Echoview file
.evl	SonarData Echoview file
.evr	SonarData Echoview file
.evt	Event log
.evy	Document (WordPerfect Envoy)
.ewd	Document (Express Publisher for Windows)
.ewl	EclipseCrossword Word List
Microsoft Encarta Document
.ex	Norton Ghost Template File
.ex_	Compressed .EXE File in an Install Archive
.ex3	Device driver (Harvard Graphics 3.0)
.exc	Rexx source code file (VM/CMS)
Exclude file for Optimize (do not process) (QEMM)
.exd	Control Information Cache
.exe	Directly executable program (DOS)
.exm	Msdos executable, system-manager compliant (HP calculator)
.exp	ICQ Saved Chat file
QuickBooks file
.ext	Extension file (Norton Commander)
.ext2fs	filesystem driver in the Linux kernel
.exx	Intermediate file by MsgPut (IBM LinkWay)
.ezf	Fax (Calculus EZ-Fax)
.ezm	Text file
.ezp	Edify Electronic Workforce Backup Utility
.ezz	eZBackup backup file
.f	Fortran source code file
Compressed file archive created by FREEZE
.f_i	Print IPS file
.f01	Fax (perfectfax)
.f06	Dos screen text font - height 6 pixels (fntcol13.zip)
.f07	Dos screen text font - height 7 pixels (fntcol13.zip)
.f08	Dos screen text font - height 8 pixels (fntcol13.zip)
.f09	Dos screen text font - height 9 pixels (fntcol13.zip)
.f10	Dos screen text font - height 10 pixels (fntcol13.zip)
.f11	Dos screen text font - height 11 pixels (fntcol13.zip)
.f12	Dos screen text font - height 12 pixels (fntcol13.zip)
.f13	Dos screen text font - height 13 pixels (fntcol13.zip)
.f14	Dos screen text font - height 14 pixels (fntcol13.zip)
.f16	Dos screen text font - height 16 pixels (fntcol13.zip)
.f2	FLASH BIOS file
.f2r	Linear module (music) (Farandole)
.f3r	Blocked module (music) (Farandole)
.f4v	MP4 Video file
.f77	Fortran 77 source code file
.f90	Fortran file
.f96	Fax (Frecom FAX96)
.fac	Face graphics
.faq	Frequently Asked Questions text file
.far	Farandoyle Tracker Music Module
The Sims (Maxis) Archive file
.fav	MS Outlook Bar Shortcuts
.fax	Fax (raster graphics) (most Fax programs)
.fbc	FamilyTree Compressed backup file
.fbk	Navison Financials Backup
FamilyTree Backup file
.fc	Spell checking dictionary (Harvard Graphics 2.0)
.fcd	Virtual CD-ROM
FastCAD/EasyCAD Output
Patton & Patton Flow Charting 3 file
IsoBuster file
.fcm	Binary file patch file (forward compression)(jlpak10.zip)
.fcp	FLAMES Checkpoint Restart file (Ternion)
.fcs	Flow Cytometry Standard Format
Fantasy Football League Organizer file
RealProducer Pro Settings
c-tree Server/Plus Data file
Canon Zoom Browser EX file
CD Trustee file
Spectrum Server Log file
.fcw	Campaign Cartographer 2 file
.fd	Declaration file (MS Fortran)
Field offsets for compiler (DataFlex)
.fdb	Art Explosion Portfolio Catalog file
Legacy Family Tree Database
Navison Financials Database
.fde	FLAMES Dataset Export file (Ternion)
.fdf	Adobe Acrobat Forms document
.fdr	Final Draft Document file
Embroidery Design file
.fdw	Form (F3 Design and Mapping)
.feb	Button bar for Figure Editor (WordPerfect for Win)
.fef	Steuer2001 file
.fes	Fabio Editing Software
3D Topicscape - exported fileless occurrence
.fev	FLAMES Environment Variable file (Ternion)
.ff	Outline font description (Agfa Compugraphics)
.ffa	MS Fast Find file
.fff	Fax (defFax)
.ffl	MS Fast Find file
.ffo	MS Fast Find file
.fft	Dca/FFT Final Form Text text file (DisplayWrite)
.ffx	Microsoft Fast Find file
.fgd	Folder Guard Data
Half-life Modification Map Configuration file
Digital Raster Graphic Metadata file
.fh3	Vector graphics (Aldus FreeHand 3.x)
.fh4	Vector graphics (Aldus FreeHand 4.x)
.fh5	Freehand 5
.fh6	Freehand 6
.fh7	Freehand 7
.fh8	Macromedia Freehand 8
.fh9	Macromedia Freehand 9
.fh10	Macromedia Freehand 10
.fi	Interface file (MS Fortran)
.fif	Fractal Image Format file
.fig	REND386/AVRIL Graphic
Super Nintendo Game-console ROM Image
.fil	File template (Application Generator)
Files list object file (dBASE Application Generator)
Overlay (WordPerfect)
.fin	Print-formatted text file (Perfect Writer - Scribble - MINCE)
.fio	PhotoStyler graphics (filter)
ULead Viewer (support file)
.fit	Fits graphics
File Index Table (WindowsNT)
.fix	Patch file
.fky	Macro file (FoxPro)
.fla	Adobe Flash file
.flac	Free Lossless Audio Codec
.flb	Format library (Papyrus)
.flc	Animation (Autodesk Animator)
.fld	Folder (Charisma)
.fle	Flea program: outbound file and attachment required by the given mailer environment
.flf	Corel Paradox Form
Firehand Lightning Graphic Collection
Navison Financials License file
OS/2 Driver file
FLAMES License file, Enterprise Edition (Ternion)
.fli	Tex font library (EmTeX)
Animation (Autodesk Animator)
.flk	File Locker Encrypted file
.flm	Film Roll (AutoCAD/AutoShade)
.flo	Micrografx FlowCharter
.flp	Adobe Flash Project file
FlipAlbum file
Fruityloops Saved file
.flt	Asymetrix Graphics Filter Support file
CoolEdit Pro Filter
Corel Graphic Filter
FileMaker Filter
FLIC Animation (DTA)
Micrografx Picture Publisher Filter
MS Graphics Filter
MulitGen Open Flight file
OS/2 Warp Filter Device Driver
StarTrekker Music Module
WinFlash Educator Flashcard Compiled Test file
.flv	Adobe Flash Video file
.flx	Compiled binary (DataFlex)
.fm	Spreatsheet (FileMaker Pro)
FrameMaker file
.fm1	Spreadsheet (Lotus 1-2-3 release 2.x)
.fm3	Device driver (Harvard Graphics 3.0)
Spreadsheet (Lotus 1-2-3 release 3.x)
.fmb	File Manager Button bar (WordPerfect for Win)
.fmf	Font or icon file (IBM LinkWay)
.fmg	FreeMarkets Graphics Browser
.fmk	Makefile (Fortran PowerStation)
.fmo	Compiled format file (dBASE IV)
.fmp	FileMaker Pro Document
FLAMES Model Prototype file for components written in C (Ternion)
.fmpp	FLAMES Model Prototype file for components written in C++ (Ternion)
.fmt	Format file (dBASE IV - FoxPro - Clipper 5 - dBFast)
Style sheet (Sprint)
.fmv	Frame Vector Metafile
.fmz	Form Z Program files (drawing program)
.fn3	Font file (Harvard Graphics 3.0)
.fnt	Font file (many)
.fnx	Inactive font (Exact)
.fo1	Font file (Borland Turbo C)
.fo2	Font file (Borland Turbo C)
.fol	Folder of saved messages (1st Reader)
.fon	Dialing directory file (Telix)
Font file (many - Windows 3.x font library)
Log of all calls (Procomm Plus)
.for	Fortran source code file
Form (WindowBase)
.fot	Installed Truetype font (Windows Font Installer)
.fp	Configuration file (FoxPro)
.fp3	FileMaker Pro 3.0 and earlier files
Floor Plan 3D Drawing file
.fp4	FileMaker Pro 4.0
.fp5	FileMaker Pro 5.0 and later files
.fpb	FLAMES Playback Recorder file (Ternion)
.fpc	Catalog (FoxPro)
.fpk	JetForm FormFlow file
.fpr	FLAMES Prototype file (Ternion)
.fpt	Memo (FoxPro)
.fpw	Floorplan drawing (FloorPLAN plus for Windows)
.fpx	FlashPix Bitmap
.fqy	FLAMES FLARE Command file (Ternion)
.fr3	Renamed dBASE III+ form file (dBASE IV)
.frc	FLAMES Recorder Output file; FLARE Input file (Ternion)
.frd	Files which contain loudspeaker frequency response data
.fre	Creative Digital Blaster Digital VCR file
Male Normal CT
.frf	Font (FontMonger)
.frg	Uncompiled report file (dBASE IV)
.frl	FormFlow file
.frm	MySQL Database Format file
Form (Visual Basic)
Report file (dBASE IV - Clipper 5 - dBFast)
Text (order form)
.fro	Compiled report file (dBASE IV)
.frp	Form (PerForm PRO Plus - FormFlow)
.frs	Screen Font Resource (WordPerfect for Win)
.frt	Report memo (FoxPro)
.frx	Report (FoxPro)
.fs	F# Source Code file
.fsc	FLAMES Scenario file (Ternion)
.fsh	EA Sports Game Graphic Editor file
.fsl	Form (Paradox for Windows)
.fsm	Farandoyle Sample format music
.fst	Linkable program (dBFast)
.fsproj	Store Firestarter projects used to generate class mapping definitions for Habanero Firestarter
.fsx	Data (Lotus 1-2-3)
.fsy	Fileware's Filesync
.ftm	Font file (Micrografx)
.fts	Windows Help Full-Text Search Index file
.ftw	Family file
FontTwister
.ftp	Configuration (FTP Software PC/TCP)
.fus	Files that store user settings for various FLAMES applications (Ternion)
.fvt	Interlock Public Computer Utility
.fw	Database (FrameWork)
.fw2	Database (Framework II)
.fw3	Database (Framework III)
.fwp	FLAMES Window Viewer project file (Ternion).
.fx	DirectX Effects file
On-line guide (FastLynx)
.fxd	Phonebook (FAXit)
.fxm	WinFax/WinFax MiniViewer Fax
.fxo	Fax Image Document
.fxp	Compiled format (FoxPro)
.fxr	WinFax Received Document
.fxs	Fax Transmit Format graphics (WinFax)
.g	Data chart (APPLAUSE)
.g3	Group 3 Fax document; Group 3 Fax
.g3f	Zetafax TIFF file (fine resolution)
.g3n	Zetafax TIFF file (normal resolution)
.g8	Raw graphics (one byte per pixel) plane three (PicLab)
.gab	Global Address Book file
.gal	Corel Multimedia Manager Album
.gam	Saved Game file
Fax (GammaFax)
TADS 2.x Game file
Baldur's Gate Game file
Animated E-mail
.gat	Gator file
.gb	Pagefox Bitmap Image file
GameBoy ROM
.gba	Game Boy Advanced ROM
GrabIt Batch files
.gbc	Game Boy COlor ROM
.gbd	Gator Banner file
.gbl	Global definitions (VAXTPU editor)
.gbr	GIMP Brush file
Gerber Format file
.gbx	Gerber file
.gc1	Lisp source code (Golden Common Lisp 1.1)
.gc3	Lisp source code (Golden Common Lisp 3.1)
.gcd	Graphics
.gcf	Steam GCF File
.gdb	Interbase Database
Group Mail file
.gdf	Dictionary file (GEOS)
.gdr	Bitmap Font file (SymbianOS)
.ged	Editor's native file format (Arts & Letters)
GEDCOM Family History file
Graphic Environment Document
Graphics editor file (EnerGraphics)
Game Editor Project File
.gem	Vector graphics (GEM - Ventura Publisher)
.gen	Compiled template (dBASE Application Generator)
Generated text (Ventura Publisher)
Genius Family Tree
.geo	Geode (Geoworks)
.gfb	Compressed GIF image created by GIFBLAST (gifblast.exe)
.gft	Font (NeoPaint)
.gfx	Genigraphics Graphics Link Presentation
Graphic format used by Allen Bradley SCADA Software (RSView Works)
.gg	Google Desktop Gadget file
.gho	Symantec Ghost Disk image file
.ghs	Lasertank High Scores
Symantec Ghost Disk Image Span file
.gib	Chart (Graph-in-the-Box)
.gid	Windows Help index file
.gif	Graphics Interchange Format bitmap graphics (CompuShow)
.gig	Sound file
.giw	Presentation (Graph-in-the-Box for Windows)
.gl	Animation (GRASP GRAphical System for Presentation)
.glm	Datafile (Glim)
.gls	Datafile (Across)
.gly	Glossary (MS Word)
.gmd	Game Maker file format
.gmf	CGM graphics (APPLAUSE)
.gml	Geography Markup Language file
.gmp	Geomorph tile map (SPX)
.gno	Genopro Genealogy Document file
.gnt	In MF COBOL a compiled .cbl file
.goc	Goc source code file (Geoworks)
.goh	Goc header file (Geoworks)
.gp	Geode parameter file (Geoworks Glue)
.gp3	CCITT Group 3 file
GuitarPro 3
.gp4	Guitar Pro version 4.06
.gpd	VISUAL EPR Input Data for PARAMS.EXE
.gph	Graph (Lotus 1-2-3/G)
.gpk	Omnigo program package
.gpx	GPS eXchange Format
.gr2	Screen driver (Windows 3.x)
.gra	Datafile (SigmaPlot)
.grb	Ms-DOS Shell Monitor file (MS-DOS 5)
.grd	Gradebook Power file
Map Projection Grid file
.grf	Micrografix Image file
Graph file (Graph Plus - Charisma)
.grl	Matlab Graphic Format
.grp	Group file (Windows 3.x - Papyrus)
Pictures group (PixBase)
.grx	File list (GetRight)
.gry	Raw GREY graphics
.gs1	Presentation (GraphShow)
.gsd	Vector graphics (Professional Draw)
GSplit file splitting utility (GDGsoft.com)
.gsm	Raw GSM 6.10 Audio Stream
Sound file
US Robotics modem file
.gsp	Geometer's Sketchpad Material file
.gsw	Worksheet (GraphShow)
.gtp	Gnome Desktop Theme file
GuitarPro file
.gts	Genome Software Tempo Alarm Clock
.gup	Data (PopMail)
.gwi	Groupwise File
.gwp	Greetings WorkShop file
.gxd	General CADD Pro file
GX-Reports file
Jeol EX Spectrometer Data file
.gxl	Graphics library (Genus)
.gxt	GTA2 Game file
.gym	Sega Genesis Music Logged Format
.gz	Compressed file archive created by GZIP (GNU zip)
.gzip	Compressed file archive created by GZIP (GNU zip)
.h	Header file
.h!	On-line help file (Flambeaux Help! Display Engine)
.h++	Header file (C++)
.h--	Header file (Sphinx C--)
.ha	Compressed file archive created by HA (ha098.zip)
.ham	Image file
.hap	Compressed file archive created by HAP (hap303re.zip)
.hbk	Handbook (Mathcad)
.hbs	eBerry Transparent Animation - compressed bitmap files
.hcr	IBM HCD/HCM Production Configuration
.hdf	Hierarchical Data File graphics (SDSC Image Tools)
Help file (Help Development Kit)
.hdl	Alternate download file listing (Procomm Plus)
.hdp	HD Photo File
Magix Music/Video
.hdr	InstallShield Setup header
Pc-File+ Database header
Datafile (Egret)
Message header text (Procomm Plus - 1st Reader)
.hds	Windows Digital Right Management file
.hdw	Vector graphics (Harvard Draw)
.hdx	Help index (AutoCAD - Zortech C++)
.hed	HighEdit document
.hex	Hex dump
.hfi	Hp Font Info file (GEM)
.hfx	HotFax file
US Robotics Rapid Comm Voice Data file
.hgl	Hp Graphics Language graphics
.hh	C++ header file
.hhc	Table of Contents file
TurboTax Contents file
.hhh	Precompiled header file (Power C)
.hhk	Help Workshop Index file
.hhp	Help information for remote users (Procomm Plus)
.hht	MS Messenger file
.hin	Molecule (HyperChem)
.his	Insight II Dynamics Trajectory History file
Spy-CD CD Search Database file
.hlb	Help library (VAX)
.hlp	Help information
.hlz	Multi-Edit Packed Help file
.hm3	Help & Manual 3 project Format
.hmm	Alternate Mail Read option menu (Procomm Plus)
.hnc	CNC program files Heidenhain (?) dialog
.hof	Hall Of Fame (game scores)
.hp8	Ascii text HP Roman8 character set (NewWave Write)
.hpf	Hp LaserJet fonts (PageMaker)
.hpg	HPGL plotter file vector graphics (AutoCad - Harvard Graphics)
.hpi	Font information file (GEM)
.hpj	Help project (MS Help Compiler)
.hpk	Compressed file archive created by HPACK (hpack75.zip)
.hpm	Emm text (HP NewWave)
Alternate Main menu for privileged users (Procomm Plus)
.hpp	C++ header file (Zortech C++)
.hqx	Compressed Macintosh ASCII archive created by BINHEX (xbin23.zip)
.hrf	Graphics (Hitachi Raster Format)
.hrm	Alternate Main menu for limited/normal users (Procomm Plus)
.hs2	Monochrome image (Postering)
.hsi	Handmade Software Inc. graphics - almost JPEG (Image Alchemy)
.hst	Yahoo Messenger History file
History file (Procomm Plus)
.hta	Hypertext application
.htc	HTML Component (mechanism for implementing Dynamic HTML in script)
.htf	WebBase File
.hti	WebBase File
.htm	HyperText Markup Language document
.html	HyperText Markup Language document
.htr	Motion Analysis Software Skeletal file
.htt	Hypertext template
.htx	Hypertext file
.hus	Husqvarna Designer I Embroidery Machine Format
.hwd	Presentation (Hollywood)
.hxm	Alternate Protocol Selection menu for all users (Procomm Plus)
.hxx	C++ header file
.hy1	Hyphenation algorithms (Ventura Publisher)
.hy2	Hyphenation algorithms (Ventura Publisher)
.hyc	Data (WordPerfect)
.hyd	Hyphenation dictionary (WordPerfect for Win)
.hyp	Compressed file archive created by HYPER (hyper25.zip)
.hyt	VFSMOD Project output file
.i	Intermediate file (Borland C++ 4.5)
.iaf	MS Outlook 97 and 2000 e-mail account settings
.iax	Bitmap graphics (IBM Image Access eXecutive)
.ibm	Compressed file archive created by ARCHDOS (Internal IBM only)
.ibd	Installer Dialog Resource file
.ibp	Isobuster Image file
.ibq	Isobuster Managed Image file
.ica	Bitmap graphics (Image Object Content Architecture)
.icb	Bitmap graphics
.icc	Kodak Printer Image
IronCAD Catalog
.icd	IronCAD 2D CAD file
.icl	Icon library (ActivIcons, IconForge, ImageForge, ImageForge PRO)
.icm	Image Color Matching Profile file
ICC Profile, Acer Monotor Drive
.icn	Icon source code file
.ico	Icon (Windows 3.x)
.ics	iCalendar Calendar file
.id	Disk identification file
Lotus Notes User ID file
.id2	Windows Live Messenger Emoticon file
.idb	Database Used by Disassembler
MS Developer Intermediate file
.ide	Project (Borland C++ 4.5)
.idf	ARTiSAN Real-time Studio ID file
MIDI Instruments Drivers file
.idl	MS Visual C++ Interface Definition file
OMG CORBA Interface Definition Language
.idw	Vector graphics (IntelliDraw)
.idx	Index (many - FoxPro)
.ies	Photometric file data
.ifd	Form (JetForm Design)
.iff	Interchange File Format bitmap graphics/sound (Amiga)
Maxis The Sims Object file
Philips CDI File
Sun TAAC Image File Format (SDSC Image Tool)
.ifo	Saved graphic objects (ImageForge PRO)
.ifp	Script (KnowledgeMan)
.ifs	Fractal image compressed file (Yuvpak)
System file (OS/2) hpfs.ifs
.igr	Intergraph SmartSketch Drawing
.igs	IGES-Format
.igx	iGrafx Process
.iif	QuickBooks for Windows Interchange file
.ilb	Data (Scream Tracker)
.ilk	Outline of program's format (MS ILink incremental linker)
.im30	Sun Raster image file
.im8	Sun raster graphics
.ima	Mirage vector graphics (EGO, Chart, Autumn)
.imb	IncrediMail file
.imc	IncrediMail file
.imd	Caseware IDEA (GIS data file)
.imf	ImageForge/IconForge saved filtered brushes(IconForge, ImageForge, ImageForge PRO)
.img	Bitmap graphics (Ventura Publisher - GEM Paint)
.imm	IncrediMail Trash
.imn	IncrediMail Notifier
.imp	Spreadsheet (Lotus Improv)
Impaticized PowerPoint file
.imq	Image presentation (ImageQ)
.ims	Incredimail Graphic
.imv	Yahoo Instant Messenger IMVironment
Impaticized Video format
.imw	Imageware Surfacer 3D CAD Surface Geometry
IncrediMail Sound
.imz	Compressed floppy image
.in$	Installation file (HP NewWave)
.in3	Input device driver (Harvard Graphics 3.0)
.inb	Test script (Vermont HighTest)
.inc	Include file (several programming languages)
.ind	Index (dBASE IV)
Adobe InDesign document file
.indd	Adobe InDesign file format
.inf	Type 1 LaserJet font information file (soft font installers)
Information text file (ASCII)
Install script
.ini	Initialization file
.ink	Pantone reference fills file (CorelDRAW)
.inl	MS Visual C++ Inline Function file
.inp	GIS Software Text Input file
Oracle Source Code
Self-Extracting Archive Utility Project
.ins	Data (WordPerfect)
Installation script (1st Reader)
Instrument music file (Adlib)
.int	Borland Interface Units
Program saved in Internal (semi-compiled) format (Signature)
.inv	Rogue Spear Inventory file
.inx	Foxpro Index (Foxbase)
.io	Compressed file archive created by CPIO
.iob	3d graphics database in TDDD format
.ioc	Organizational chart (Instant ORGcharting!)
.ion	4dos descript.ion file (file descriptions)
.ipa	iPod/iPhone Application file
.ipd	BlackBerry Backup file
InstallPROG 6 EDBS Install Database
.ipg	Mindjongg Format
.ipj	Impatica OnCue Project file
.ipl	Pantone Spot reference palette file (CorelDRAW)
.ipp	Help & Manual Proprietary Image
.ips	Game Patch file
MENSI 3Dipsos
.ipsw	IPod/IPad/IPhone Software file
.ipx	IPIX AV file
.ipz	ICQ Skin Plus
.iri	IR Image file
.irs	Resource (WordPerfect)
.isd	Spelling Checker dictionary (RapidFile)
.ish	Compressed file archive created by ISH
.isk	Command file
.iso	Easy CD Creator Disc Image
File List for CD-ROM
InstallShield Uninstall file
ISO Buster file
ISO-9660 Table
RichWin
Vector Graphics (IsoDraw Illustration)
.isr	MS Streets & Trips Route file
.iss	InstallShield Response file
ISS Graphic
.ist	Digitrakker Instrument File (n-FaCToR)
.isu	InstallShield Uninstall Script
Easy CD Creator 4 Uninstall file
Netscape file
.isz	An extension on .ISO that allows compression and splitting of an archive
.it	Settings (intalk)
.itc2	iTunes Album Data file
.itdb	iTunes Database file
.itf	Interface file (JPI TopSpeed Pascal)
.ith	InTether technology secured file
.itl	Music Library file
.iv	OpenInventor files (the successor to Inventor)
.iva	security video data file
.ivt	MS Infoviewer Title
.iw	Presentation flowchart (IconAuthor - HSC InterActive)
.iwa	Text file (IBM Writing Assistant)
.iwd	Call of Duty Game Data file
.iwp	Text file (Wang)
.izt	Izl binary token file (IZL)
.j01	File Extension from ADP Payroll Company
.jad	Java Application Descriptor extension (for installing MIDlets)
.jar	Java archive file
.jas	Graphics
.jav	Java source code file
.java	Java source code file
.jbc	Jam Byte-Code Hex file
BestCrypt File
.jbd	Datafile (SigmaScan)
.jbf	Paint Shop Pro browser file
.jbk	Juno Backup file
.jbr	Jasc Paint Shop Pro Brush
.jbx	Project file (Project Scheduler 4)
.jdt	Accelio Capture Classic Filler
.jef	Janome NH10000 Sewing Machine file
.jet	Fax (Hybrid JetFax)
.jff	Bitmap graphics (JPEG File Interchange Format)
.jfif	JPEG image
.jfx	J2 Fax File
.jhtml	Dynamo Server Page
.jif	JPEG/JIFF Image
Jeff's Image Format
.jmx	JMeter file
.jnb	Sigma Plot Workbook file
.jnl	Ingres Journal file
.jnlp	Java Web Start file
.jnt	Windows Journal Note file
.job	Job file
Task Scheduler Task Object
AI Research file
QuestVision Vector Graphics file
.jor	Journal file SQL
.jou	Journal backup (VAX Edt editor)
.jp2	JPEG 2000 file
.jpc	Graphics (Japan PIC)
.jpeg	JPEG image
.jpf	JPEG 2000 file
.jpg	Bitmap graphics (Joint Photography Experts Group)
.jps	Stereo Image
.jpx	JBuilder Project file
.js	Microsoft Scripting Language 'JScript' file extension
.jsd	eFAX Jet Suite Document
.jse	JScript Encoded Script file
.jsf	Fireworks Batch Script file
.jsh	Henter-Joyce, Inc. Jaws Script Header file
.json	JavaScript Object Notation file
.jsp	Java Server page
.jtf	Fax (Hayes JT Fax)
Bitmap graphics (JPEG Tagged Interchange Format)
.jtp	Jetform file
.jup	(New Planet Software) Code Crusader user's project preferences file
.jw	Text document (JustWrite)
.jwl	Library (JustWrite)
.jwp	Easy CD Creator Label file
JWP Document
.jxr	JPEG XR file
.jzz	Spreadsheet (Jazz)
.kar	Midi file with karaoke word track
.kau	Sassafras KeyAudit Audit file
.kb	Keyboard script (Borland C++ 4.5)
Program source (Knowledge Pro)
.kbd	Keyboard mapping (LocoScript - Signature - Procomm Plus)
.kbm	Keyboard mapping (Reflection 4.0)
.kcl	Lisp source code (Kyoto Common Lisp)
.kcp	Keychamp file
.kdc	Kaspersky Virus Database file
Kodak Photo-Enhancer/Photogen file
.keo	Older, outdated Print Shop extension
.ket	Older, outdated Print Shop extension
.kex	Macro (KEDIT)
.kext	Mac OS X Kernel Extension
.key	Datafile (Forecast Pro)
Keyboard macros
WinRAR License file
Security file eg. Shareware Registration info
.kgb	KGB Archive file
.kit	Raven Toolkit file
.kix	KixTart Script
.kma	Kodak Memory Book file
Correlate K-Map
.kml	Keyhole Markup Language file
.kmp	Korg Trinity KeyMaP file
.kmx	Kaufman Mmail Warrior Mail Folder
.kmz	Google Earth Map Location file
.kos	MicroType Pro Document
.kp2	Kruptos Encrypted file
.kpl	Kazaa Playlist
KPL Source Code
.kpp	Toolpad (SmartPad)
.kps	Ibm KIPS bitmap graphics
.kqb	Knowledge Question Base file
.kqe	W32/Spybot.KQE Worm virus
.kqp	Konica Quality Picture
.krz	Kurzweil 2000 Sample
.ksd	Native Instruments Audio Patch file
.ktk	Kutoka's Mia
.kwi	Navigation Data file
.kwm	WebMoney Private Key file
.kyb	Keyboard mapping (FTP Software PC/TCP)
.l	Lex source code file
Lisp source code file
Linker directive file (WATCOM wlink)
.l01	ARC Digitized Raster Graphics
.lab	Datafile (NCSS - SOLO)
Mailing labels (Q+E for MS Excel)
.lang	Skype Language file
.lat	Crossword Express Lattice file
.latex	LaTeX typesetting system
.lay	Word chart layout (APPLAUSE)
.lbg	Label generator data (dBASE IV)
.lbl	Label (dBASE IV - Clipper 5 - dBFast)
.lbm	Bitmap graphics (DeluxePaint)
Linear bitmap graphics (XLib)
.lbo	Compiled label (dBASE IV)
.lbr	Compressed file archive created by LU (lue220.arc)
Display driver (Lotus 1-2-3)
.lbt	Label memo (FoxPro)
.lbx	Label (FoxPro)
.lcf	Linker Control File (Norton Guides compiler)
.lck	Lockfile (Paradox)
.lcl	Data (FTP Software PC/TCP)
.lcn	Lection (WordPerfect)
.lcs	Datafile (ACT! History Files)
L0phtCrack Audit file
.lcw	Spreadsheet (Lucid 3-D)
.ld	Long Distance codes file (Telix)
.ld1	Overlay file (dBASE)
.ldb	Data (MS Access)
.ldf	Library definition file (Geoworks Glue)
locking data file or (locking security file)
IBM Works for OS/2 Filer Form
Microsoft SQL Server Transaction Log File
.ldif	LDAP Data Interchange Format
.leg	Legacy Graphic Format
.les	Lesson (check *.cbt)
.let	Letter
.lev	Level file (NetHack 3.x)
.lex	Lexicon (dictionary) (many)
.lfa	LifeForm file
.lft	Laser printer font (ChiWriter)
.lg	Logo procedure definitions (LSRHS Logo)
.lgc	Program Use Log file
.lgo	Logo for header and footer (SuperFax)
Startup logo code (Windows 3.x)
.lgx	Gerber file
.lha	Compressed file archive created by LHA/LHARC (lha255b.exe)
.lhw	Compressed Amiga file archive created by LHWARP
.lib	Library file (several programming languages)
.lic	License file (Shareware)
FLAMES License File Professional Edition (Ternion)
.lid	Kodak Gallery Album file
WinDVD file
Light Field Description file
Dylan Library Interchange Description
LabelVision Auto Incrementing Value file
Maple V Setup file
Scholar's Aid Backup file
.lif	Logical Interchange Format data file (Hewlett-Packard)
Compressed file archive
.lim	Compressed file archive created by LIMIT (limit12.zip)
.lin	Line types (AutoCAD)
.lis	Listing (VAX)
.lit	MS Reader eBook file
.lix	Extend Simulation Library file
Libronix DLS Resource (LLS 2.x Index)
.lj	Text file for HP LJ II printer
.lko	MS Outlook Express Linked Object
.ll3	Laplink III related file (document) (LapLink III)
.lmp	Lump File
.lmt	Nokia PC Suite Log file
RPG Maker map tree file
.lnd	3D Landscape Data
.lng	Adobe Acrobat Language Plugin file
Diablo II file
NRG SDR Language file
.lnk	Windows Shortcut file
Linker response file (.RTLink)
.loc	MicroSim PCBoard Component Locations Report
Suppose Locations file
Download format for search results on Geocaching.com
.lod	Load file
.log	Log file
.lok	Encrypted and compressed archive format (FileWrangler, SecurDesk!, ZipWrangler)
.lpc	Printer driver (TEKO)
.lpd	Helix Nuts and Bolts File
Avery Label Pro
.lpf	Lytec's Direct Electronic Medical Claims ClaimsDirect
.lpi	Live Pictures
.lpk	Licensed ActiveX Control for Internet Explorer.
.lrf	Linker response file (MS C/C++)
.lrs	Language Resource File (WordPerfect for Win)
.lse	Nokia Audio Manager
.lsf	Streaming Audio/Video file
Libronix DLS Resource
.lsl	Lotus Script Library
.lsp	Lisp source code file (Xlisp)
.lss	Spreadsheet (Legato)
.lst	Keyboard macro (1st Reader)
List file (archive index - compiler listfile)
Spool file (Oracle)
SAS Program file
.lt2	e frontier Poser file
.ltm	Form (Lotus Forms)
.ltr	Letter
.lua	Lua Source Code file
.lvl	Game Level file
.lvp	Lucent Voice Player
LView Pro
.lwa	LightWorks Archive Material/Scene file
.lwd	Text document (LotusWorks)
.lwo	NewTek Lightwave Object
.lwp	IBM Word Pro / Lotus Word Pro 96/97 document file
.lwz	MS Linguistically Enhanced Sound file
.lx	Lexico - files with source code
.lyr	DataCAD Layer file
.lzd	Difference file for binaries (Ldiff 1.20)
.lzh	Compressed file archive created by LHA/LHARC (lha255b.exe)
.lzs	Compressed file archive created by LARC (larc333.zip)
.lzw	Compressed Amiga file archive created by LHWARP
.lzx	Compressed file
.m	Function (program) (Matlab)
Macro module (Brief)
Standard package (Mathematica)
.m11	Text file (MASS11)
.m1v	MPEG-1 Video file
.m2p	MPEG-2 Program Stream Format file
.m2ts	BDAV MPEG-2 file
.m2v	MPEG-2 Video Only file
.m3	Modula 3 source code file
.m3d	3D animation macro
.m3u	Music Playlist (Winamp)
.m4	M4 preprocessor file (unix)
.m4a	MPEG-4 Audio Layer
.m4b	MPEG-4 Audio Book file
.m4p	MPEG-4 Encoded Audio file
.m4r	iPhone Ringtone file
.m4v	Apple Video file
.m_u	Backup of boot sector, FAT and boot dir (MazeGold)
.ma3	Macro (Harvard Graphics 3.0)
.mac	Bitmap graphics (Macintosh MacPaint)
Macro
.mad	MS Access Module Shortcut
.maff	Mozilla Archive Format file
.mag	Woody Lynn's MAG graphics format (MPS Magro Paint System)
.mai	Mail (VAX)
.mak	Makefile
Project file (Visual Basic)
.man	Command manual
.map	Color palette
Format data (Micrografx Picture Publisher)
Linker map file
Map (Atlas MapMaker)
Network map (AccView)
.mar	Mozilla Archive
Microsoft Access Report file
Assembly program (VAX Macro)
.mas	Smartmaster set (Freelance Graphics)
.mat	Data file (Matlab)
Microsoft Access Shortcut file
.max	Max source code file
Microsoft Data Analyser View
.mb	Memo field values for database (Paradox)
.mbf	MS Money Backup file
.mbk	Multiple index file backup (dBASE IV)
Medisoft for Windows Backup
.mbx	Mailbox (Eudora/Zerberus)
.mcc	Configuration file (Mathcad)
.mcd	Document (Mathcad)
.mcf	Mathcad font
Meta Content Format file
Master Command file
TMPGEnc template
.mci	Mci command script (Media Control Interface)
.mcp	Application script (Capsule)
Printer driver (Mathcad)
.mcr	DataCAD Keyboard macro file
.mcw	Text file (MacWrite II)
.mcx	Graphic file
.md	Compressed file archive created by MDCD (mdcd10.arc)
.md5	MD5 Checksum file
Message Digest 5 (Easy MD5 Creator)
.mda	Data (MS Access)
.mdb	Database (MS Access)
.mde	Microsoft Access MDE database
.mdf	Accelio Capture Classic (JetForm) Filler
I-deas Master Drafting Machine Data file
Menu Definition file
MS-SQL Master Database file
Alcohol 120% CD Image File
.mdi	Microsoft Office 2003 imaging format
Borland multiple document interface
.mdk	Keyboard Map file
.mdl	Model (3D Design Plus)
Spreadsheet (CA-Compete!)
.mdm	Modem definition (TELIX)
.mdmp	Microsoft Windows XP Trouble Report
.mdr	FaxTalk Modem Doctor Modem Report file
.mdt	Data table (MS ILink incremental linker)
.mdx	Multiple index file (dBASE IV)
.mdz	MS Access Wizard Template
.me	Usually ASCII text file READ.ME
.meb	Macro Editor bottom overflow file (WordPerfect Library)
.med	Macro Editor delete save (WordPerfect Library)
Music (OctaMED)
.mem	Macro Editor macro (WordPerfect Library)
Memory variable save file (Clipper - dBASE IV - FoxPro)
.meq	Macro Editor print queue file (WordPerfect Library)
.mer	Macro Editor resident area (WordPerfect Library) (vakioalue)
.mes	Macro Editor work space file (WordPerfect Library)
Message
.met	Document (Omnipage Pro)
eDonkey2000 file
Macro Editor top overflow file (WordPerfect Library)
Presentation Manager Meta file
.meu	Menu group (DOS Shell)
.mex	Mex file (executable command) (Matlab)
Macro Editor expound file (WordPerfect Library)
Mioplanet mex reader interactive file
.mf	Metafont text file
.mfx	ImageMAKER Fax Viewer folder file
.mgf	Font (Micrografx)
.mgi	Modular Gateway Interface
.mgp	MagicPoint Presentation file
.mhp	MS Home Publishing Project
.mht	MS MHTML Document
.mia	MusicIndiaOnline player music file
.mib	Snmp MIB file
.mic	Microsoft Image Composer file
.mid	Standard MIDI file (music synthetizers)
.mif	Maker Interchange Format (FrameMaker)
.mii	Datafile (MicroStat-II)
.mim	MIME file
.mio	Multimedia Interactive Object
.mip	Paint Shop Pro Multiple Image Print file
.mis	Delta Force Land Warrior Mission
MagicInstall Installation Script
Tribes 2 Game file
.mix	Object file (Power C)
.mk	Makefile
.mkd	Pervasive Btrieve files
.mke	Makefile (MS Windows SDK)
.mki	Japanese graphics MAKIchan format (MagView 0.5)
.mks	Data (TACT)
.ml3	Project (Milestones 3.x)
.mlb	Macro library file (Symphony)
.mlm	Novel Groupwise e-mail file
.mm	Text file (MultiMate Advantage II)
.mmc	Media Catalog
MSoffice Media Content
.mmd	Peristudio/PeriProducer file
.mmf	Mail message file (MS Mail)
.mml	Mail Meta Language
.mmm	Movie (RIFF RMMP format) (MacroMind Director 3.x)
.mmo	Memo writer file (RapidFile)
.mmp	Output video format from Bravado board
.mmx	Command & Conquer Red Alert 2 Map file
Oracle Forms Compiled Menu
.mmz	MusicMatch Theme file
.mnd	Menu source (AutoCAD Menu Compiler)
.mng	Map (DeLorme Map'n'Go)
.mnt	Menu memo (FoxPro)
.mnu	Advanced macro (HP NewWave)
Menu (AutoCAD Menu Compiler - Norton Commander - Signature)
.mnx	Compiled menu (AutoCAD)
Menu (FoxPro)
.mny	Account book (MS Money)
.mob	Device definition (PEN Windows)
.mod	Modula-2 source code file (Clarion Modula-2)
Windows kernel module
Music (FastTracker - many)
.mol	MDL Molfile
.mon	Monitor description (ReadMail)
.mov	QuickTime Video Clip
Apple QuickTime Audio
AutoCAD AutoFlix Movie
.mp2	Mpeg audio file (xing)
.mp3	mp3PRO Audio file
MPEG Audio Stream, Layer III
SHARP MZ-series Emulator file
Wrapster Wrapped file
.mp4	MPEG-4 Video File
.mpa	MPEG Audio Stream, Layer I, II or III
.mpc	Calender file (MS Project)
.mpd	MS Project database file
.mpe	MPEG Movie Clip
.mpeg	MPEG Movie Clip
.mpf	MS Design Gallery
MosASCII Project Workspace file
.mpg	MPEG-1 animation
.mpl	Playlist Data file
.mpls	Blu-ray Information file
.mpm	Mathplan macro (WordPerfect Library)
.mpp	Project file (MS Project)
CAD Drawing File
.mpq	Blizzard Game Data file
.mpr	Generated program (FoxPro)
.mps	Multimedia File
Casio PDL Pocket Streets Map
.mpt	Bitmap graphics (Multipage TIFF)
Template File (MS Project)
.mpv	View file (MS Project)
.mpw	MosASCII Project Workspace file
.mpx	Compiled menu program (FoxPro)
.mrb	Multiple Resolution Bitmap graphics (MS C/C++)
.mrc	MIRC Script file
Bibliographic Data Format
.mrk	Informative Graphics markup file
.mrs	Macro Resource file (WordPerfect for Win)
.msc	MS C makefile
.msd	MS Diagnostic Utility Report
.msf	Multiple Sequence file
.msg	Message
.msi	Windows Installer file
.msm	MultiSIM Circuit Diagram
.msn	MSN Content Plus file
.mso	Math Script Object file
MS FrontPage file
MS Word OLE Web Page Storage Stream
.msp	Bitmap graphics (Microsoft Paint)
.mspx	XML based Web Page
.mss	Manuscript text file (Perfect Writer - Scribble - MINCE - Jove)
.mst	ChemFinder Chemical Structure Index
DATAIR Pension System Master file
Minispecification file (Prosa)
Setup script (MS Windows SDK)
Visual Test Source file
.msu	Windows Update file
.msv	Sony Memory Stick Format
.msw	Text file (MS Word)
.mswmm	Windows Movie Maker Project
.msx	Compressed CP/M file archive created by MSX
.mtd	Digital Sheet Music
.mth	Math file (Derive)
.mtm	Multitracker Module music
.mts	AVCHD Video file
Viewpoint iPix file
.mtv	MTV Music Generator
.mtw	Datafile (Minitab)
.mtx	Temporary File often used by a browser or TWAIN device
Viewpoint iPix file
Max Magic Microtuner tuning text file
.mu	Menu (Quattro Pro)
.mu3	Myriad Music file (packed sounds & digital tracks)
.muf	ProtoMuck Multi User Forth Program
.mul	Ultima Online Game
.mus	MusicTime Sound file
Myriad Music file
.mvb	Database
MS Multimedia viewer file
MvPCbase www.mvsoft-comp.com
.mvc	Music Collector Collection Manager file
.mvd	MicroDVD (DVD movie file)
.mvf	Stop frame file (AutoCAD AutoFlix)
.mvi	Movie command file (AutoCAD AutoFlix)
.mvw	Log file (Saber LAN)
.mwf	Animation (ProMotion)
.mwp	Lotus Wordpro 97 Smartmaster file
MegaWorks Pack file
.mws	Maple Worksheet File
.mwv	MovieWorks file
.mxd	GIS Project file
.mxe	Macro Express
Mindex Effect Album
.mxf	Material eXchange Format for the interchange of audio-visual
Material with associated data and metadata.
.mxl	Moxcel Spreadsheet File
.mxm	MS Project/Outlook Team Assign Task
.mxp	Macromedia Extension Manager
ArcReader Published Map
.mxt	Data (MS C)
.myp	Presentation (MM Make Your Point)
.myr	Myriad Music file
.mys	Myst Saved Game
.myt	Myriad Tutorial file
.mzp	Maxscript Compressed File
.na2	Netscape Mail file
.nam	MS Office Name file
.nap	Naplps file (VideoShow) (EnerGraphics)
.nav	MSN Application Extension
.nb	Text file (Nota Bene)
.nbf	Backup Now Backup file
.nbu	Nokia PC Suite Backup file
.nc	Graphics (netcdf)
Instructions for NC (Numerical Control) machine (CAMS)
.ncb	MS Developer Studio file
.ncc	Cnc (Computer Numeric Control) control file (CamView 3D)
.ncd	Nero CoverDesigner Document file
Norton Change Directory support file (Norton Commander)
NTI CD-Maker file
.ncf	Lotus Notes Internal Clipboard
Steam Configuration file
Netware Command file
.nch	Outlook Express folder file
On Hold message/music file
.nd5	NDS Renamed file
.ndb	Network database (Intellicom - Compex)
.nde	Video format - various manufactures of surveillance camera systems
.ndf	NeoPlanet Browser File
.ndk	Lotus Notes(containing the files related to workspace)
.ndx	Index file (dBASE II - III - IV - dBFast)
.neb	Nortec H.E.L.P.
.ned	MSN Application Extension
.nef	Nikon's RAW format for digital cameras (Nikon Electronic Format)
.neo	Raster graphics (Atari Neochrome)
.nes	Nintendo Entertainment System ROM Image
.net	Network configuration/info file
.new	New info
.nfo	Info file
.ng	Online documentation database (Norton Guide)
.ngf	Enterasys Networks NetSight generated format file
.ngg	Nokia Group Graphics
.nh	NetHack file
.nib	Adobe AIR file
.nif	NetImmerse File Format
.njb	Photo Index file
.nlm	Netware Loadable Module
.nls	Code Page National Language Support
.nlx	Form (FormWorx 3.0)
.nmd	SwordSearcher file
.nmi	SwordSearcher file
.nmo	Virtools Behavioral Objects
.nms	Numega Softice's Loader file
Virtools Graphical Scripts
.nnb	newnovelist Story Outline
.nob	VersaPro Word Exchange file
.nol	Nokia Operator Logo
.not	Acrobat Spelling file
ActiveNote Post-It-Notes
.now	Text file
.np	Project schedule (Nokia Planner) (Visual Planner 3.x)
.npa	ReliaSoft Weibull++ 6
.npf	Backup Now Image file
.npi	Source for DGEN.EXE intepreter (dBASE Application Generator)
.nra	Nero Audio-CD Compilation
.nrb	Nero CD-ROM Boot Compilation
.nrg	Norton Registration Entries
Nero CD-Image
IsoBuster file
NRG File Format
.nri	Nero ISO CD-ROM compilation
.nrl	iManage file
.nrw	Nero WMA Compilation file
Nikon RAW file
.nsc	Noder file (Polish)
Windows Media Station file
.nsf	Lotus Notes / Domino database
.nsi	Nullsoft Install System Script
.nst	Music (NoiseTracker)
.nt	Startup files (Windows NT)
.ntf	Lotus Notes / Domino template file
.nth	Nokia Theme file
.ntp	Neato CD Labels
.ntr	Executable ASCII text file (strip header and rename) (netrun31.zip)
.nts	Tutorial (Norton)
Executable ASCII text file (strip header and rename) (netsend1.zip)
.ntx	Index (Clipper 5)
.ntz	InVircible Directory Integrity Information
.nu4	Norton Utilities Root File (DLL) Symantec Corporation
.nuf	Message for new users on their 1st call (Procomm Plus)
.numbers	iWork Numbers Spreadsheet file
.nup	Program Component Update files
.nvc	Nero Vision Project file
.nvm	AOLpress Help file
.nwc	Noteworthy Composer song file
.nws	Info text file (latest news) (ASCII)
.nwr	New World Report Aegis/MSP Law Enforcement Records (New World Systems)
.nwt	New World Text Aegis/MSP Law Enforcement Records (New World Systems)
.nxt	Sound (NeXT format)
.nzb	NewsBin Index file
.o	Object file (unix - Atari - GCC)
.o$$	Outfile (Sprint)
.oaz	Fax (NetFax Manager)
.ob	Object cut/paste file (IBM LinkWay)
.obd	MS Office Binder
.obj	Object code (Intel Recolatable Object Module)
.obr	Object browser data file (Borland C++)
.obs	Script (ObjectScript)
.obv	Visual interface (ObjectScript)
.oca	Control Typelib Cache
.ocf	Object Craft File (Object Craft)
.ocm	AOL Advertising Control files
Internet Odyssey 2 Update
.ocp	Advanced Art Studio
Offline Commander Project file
.ocr	Incoming fax transcribed to text (FAXGrapper)
.oct	Radiance Octree Format
.ocx	OLE ActiveX custom control
.odf	Open Document Interchange
BattleZone Cartographers Guild file
Star Trek Armada Ship/Structure Infomation
.odg	OpenDocument Graphic file
.odl	Type library source (Visual C++)
.odp	OpenOffice Presentation file
.ods	OpenOffice Spreadsheet file
.odt	OpenOffice OpenDocument text document
.oeb	Outlook Express Backup Wizard
.oem	TextSetup OEM file
.ofc	Open Financial Connectivity file
.ofd	Form definition (ObjectView)
.off	Object File Format vector graphics
.ofm	Adobe font
.oft	MS Outlook Item Template
.ofx	Olicom Fax
Open Financial Exchange file
.ogg	Ogg Vorbis Codec Compressed WAV file
.ogm	Ogg Vorbis Compressed Video file
.ogv	Video Container file
.okt	Music (Oktalizer)
.olb	Object library (VAX)
.old	Backup file
.ole	Object Linking and Embedding Object
.oli	Text file (Olivetti)
.oma	OpenMG Music file
.omf	Open Media file
.omg	OpenMG Jukebox
.oms	Briggs Softworks Order Maven
Macintosh MP3 Music Format
Omega Downloader Configuration file
.ond	Lotus Notes-related file
.one	OneNote Document File
.ont	Bible file
.oom	Swap file (Shroom)
.opd	Omnipage file
.opf	Flip Album file
Open Packaging Format file
.opl	Psion Organiser Programming Language Source file
.opn	Active options (Exact)
.ops	Microsoft Office profile settings file
.opt	Optimize support file (QEMM)
.opw	Organization chart (Org Plus for Windows)
.opx	Inactive options (Exact)
.or2	Lotus Organizer 2 file
.or3	Lotus Organizer 97 file
.or4	Lotus Organizer file
.or5	Lotus Organizer file
.ora	Parameter file (Oracle)
.org	Calendar file (Lotus Organizer)
.osd	Open Software Description file
.oss	MS Office Saved Search
.ost	Microsoft Outlook Offline file
.otf	Open Type Format
.otl	Outline font description (Z-Soft Type Foundry)
.otx	Text file (Olivetti Olitext Plus)
.out	Output file
.ov1	Overlay file (part of program to be loaded when needed)
.ov2	Overlay file (part of program to be loaded when needed)
.ovd	Datafile (ObjectVision)
.ovl	Overlay file (part of program to be loaded when needed)
.ovr	Overlay file (part of program to be loaded when needed)
.ovw	Cool Edit Pro Overviewfile
Cubase .WAV File Image
DIANA Overview file
.ows	Web Studio 2 Project file
.oxt	Open Office Extension file
.p	Pascal source code file
Rea-C-Time application parameter file (ReaGeniX code generator)
Picture file (APPLAUSE)
.p16	Music (16 channels) (ProTracker Studio 16)
.p22	Patch file (Patch22)
.p65	Adobe Pagemaker v6.5
.p7m	PKCS #7 MIME Message
.pa	Print Artist
.pa1	Worktable (PageAhead)
.pab	Microsoft Outlook personal address book
.pac	Stad Image (graphics ?)
Package (SBStudio II)
.pack	Pack 2000 Compressed file
.pad	Keypad definition (Telemate)
.paf	PARIS audio format
Personal Ancestral file
.pages	Pages document
.pak	Compressed file archive created by PAK (pak251.exe)
.pal	Adobe Pagemaker Library Palette
Color Palette
Compressed File
Tree Professional Palm Creator file
.pan	Printer-specific file (copy to coreldrw.ink) (CorelDRAW)
.par	Parts application (Digitalk PARTS)
Parameter file (Fractint)
Permanent output file (Windows 3.x)
.pas	Pascal source code file
.pat	Hatch patterns (AutoCAD - Photostyler)
Vector fill files (CorelDRAW)
.pax	Pax Archive file
.pb	Fax (FAXability Plus)
Phonebook (WinFax Pro)
Setup file (PixBase)
.pb1	Document (First Publisher for Windows)
.pba	Powerbasic BASIC source code (Genus)
.pbd	Phone book (FaxNOW! - Faxit)
.pbf	Turtle Beach Pinnacle Bank file
Grand Prix Legends BMAP file
PBook E-book Format (renamed ZIP file)
Portable Bitmap Format file
.pbi	Powerbasic include file (Genus)
Profiler Binary Input (MS Source Profiler)
.pbk	Microsoft XP Remote Access Phonebook file
.pbl	Powerbasic library (Genus)
.pbm	Pbm Portable Bit Map graphics
Planar bitmap graphics (XLib)
.pbo	Profiler Binary Output (MS Source Profiler)
.pbr	Microsoft Publisher backup file
.pbt	Profiler Binary Table (MS Source Profiler)
.pc	Text file containing IBM PC specific info
.pc3	Custom palette (Harvard Graphics 3.0)
.pc8	Ascii text IBM8 character set (NewWave Write)
.pca	Cash Register Express program
.pcb	Broderbund Print Shop Business Card
Ivex Winboard Design file
MS PowerPoint Application Data file
Protel Technology Advanced PCB Design
.pcc	Cutout picture vector graphics (PC Paintbrush)
.pcd	Graphics (Kodak PhotoCD)
Microsoft Visual Test compiled script
.pcf	Profile Configuration file
Profiler Command File (MS Source Profiler)
.pch	Patch file
Precompiled header (MS C/C++)
.pcj	Multimedia authoring tool graphics (IBM's Linkaway-Live)
.pck	Received Package file
Pickfile (Turbo Pascal)
.pcl	HP-PCL graphics data (HP Printer Control Language)
.pcm	Plasmacam CAD/CAM system file
.pcs	PICS Animation
.pct	Bitmap Graphic
Honeywell GUS Display Builder
Macintosh Quickdraw/PICT Drawing
NIST IHDR
.pcw	Text file (PC Write)
.pcx	Bitmap graphics (PC Paintbrush)
.pd	SynerGEE Stoner software files (compressible pipe flow program)
.pda	Bitmap graphics
.pdb	Data (TACT)
.pdc	Personal Database Creator file
.pdd	Adobe PhotoDeluxe Image
.pde	Principalm Data Extract files
Processing Environment text files
.pdf	Adobe Portable Document Format
Package Definition File
Graphics file (ED-SCAN 24bit format)
.pdg	Printshop Deluxe files
.pdl	Project Description Language file (Borland C++ 4.5)
.pdr	Port or printer driver
.pds	Incredimail
Source Code File
Telsis HiCall Program File
Pds graphics
Planetary Data System
Pldasm source code file (hardware assembly)
Print Shop Graphic
.pdt	ProCite Primary Database
VersaPro Compiled Block
.pdv	Printer driver (Paintbrush)
.pdw	Document (Professional Draw)
.pdx	Adobe Acrobat Index file
.pe4	Photo Explorer Thumbnail
.pea	PeaZip Compressed FileArchived files
.peb	Program Editor bottom overflow file (WordPerfect Library)
.ped	Program Editor delete save (WordPerfect Library)
.pem	Program Editor macro (WordPerfect Library)
Privacy Enhanced Mail Certificate file
.peq	Program Editor print queue file (WordPerfect Library)
.per	Program Editor resident area (WordPerfect Library) (vakioalue)
.pes	Program Editor work space file (WordPerfect Library)
.pet	Program Editor top overflow file (WordPerfect Library)
.pf	Windows Prefetch file
Monitor/printer profile file
.pfa	Type 3 font file (unhinted PostScript font)
.pfb	Type 1 PostScript font file
.pfc	Text file (First Choice)
.pfg	jEEPers file
.pfk	Programmable function keys (XTreePro)
.pfl	Family Lawyer Data file
.pfm	Windows Type 1 font metric file
.pfs	Database (PFS:FILE) - text file (PFS:Write)
.pft	Printer font (ChiWriter)
.pg	Pagefox File
Page cut/paste file (IBM LinkWay)
.pgi	Printer Graphics File device driver (PGRAPH library)
.pgm	Portable Grayscale bitMap graphics
Program (Signature)
.pgp	Support file (Pretty Good Privacy RSA System)
.pgs	Manual page (man4dos)
.ph	Optimized .goh file (Geoworks)
Perl header file
Phrase-table (MS C/C++)
.phb	NewLeaf PhraseBook
ClustaW Tree file
TreeView file
PhoneB Phonebook file
.phn	Phone list (UltraFax - QmodemPro)
.php	PHP Script
MS Picture It! Publishing Project File
PhotoParade
.pho	Phone database (Metz Phone for Windows)
.phr	Phrases (LocoScript)
.phtml	PHP Script
.pic	Pixar picture file (SDSC Image Tool)
Bitmap graphics (Macintosh b&w PICT1 - color PICT2)
Bitmap graphics (many eg. Lotus 1-2-3 - PC Paint)
.pif	Program Information File (Windows 3.x)
Vector graphics GDF format (IBM mainframe computers)
Shortcut to MS-DOS program
.pim	PIM Archive file
.pip	Personalized menu and toolbar (MS Office)
.pit	Compressed Mac file archive created by PACKIT (unpackit.zoo)
.pix	Alias image file (SDSC Image Tool)
.pj64	Project 64 game files.mswmm Windows Movie Maker Project file
.pj	Project (CA-SuperProject)
.pjt	Project memo (FoxPro)
.pjx	Project (FoxPro)
.pk	Packed bitmap font bitmap file (TeX DVI drivers)
.pk3	American McGee Alice Archive
Return to Castle Wolfenstein file
Heavy Metal: F.A.K.K.2 Archive
Quake 3 Arena Archive (renamed zip file)
.pka	Compressed file archive created by PKARC
.pkd	Top Secret Crypto Gold file
.pkg	Installer script (Next)
.pkk	Private Key file
.pkt	Packet Tracer Network Simulation file
.pl	Perl source code file
Prolog source code file
Property List font metric file (TeX)
Palette (Harvard Graphics)
.pl1	Room plan (3D Home Architect)
.pl3	Chart palette (Harvard Graphics 3.0)
.plb	Library (FoxPro)
.plc	Add-in file (functions - macros - applications) (Lotus 1-2-3)
.pll	Pre-linked library (Clipper 5)
.pln	Spreadsheet (WordPerfect for Win)
.plr	Descent Pilot file
Player file
.pls	DisorderTracker2 Sample
WinAmp MPEG PlayList file
Shoutcast file
MYOB Data file
.plt	AutoCAD HPGL Vector Graphic Plotter file
Bentley's CAD MicroStation Driver Configuration for Plotting
Clipper 5 Pre-linked Transfer file
Gerber Sign-making Software file
HP Graphics Language
.pmv	Pegasus Mail Filter Rule file
.pmx	Pegasus Mail file
.pn3	Printer device driver (Harvard Graphics 3.0)
.pnf	Precompiled Setup Information (Temporary file seen during installs)
.png	Bitmap graphics (Portable Network Graphics)
.pnm	Pbm Portable aNy Map (PNM) graphics
.pnt	Macintosh painting
Qwk reader pointer file (MarkMail 2.x)
.pod	OPENPROJ Project file
.poh	Optimized .goh file (Geoworks)
.poi	Point of interest file
.pop	Messages index (PopMail)
Pop-up menu object (dBASE Application Generator)
.pos	ProCite Output Styles
QuickPOS IIF file
.pot	PowerPoint template
.potx	PowerPoint Open XML Template file
.pov	Raytraced scene description file (Persistence Of Vision)
.pow	Chord chart (PowerChords)
.pp	Free Pascal Source Code file
Compressed Amiga file archive created by POWERPACKER
.ppa	PowerPoint Add-in
.ppb	Button bar for Print Preview (WordPerfect for Win)
.ppd	PostScript Printer Description (Acrobat)
.ppf	Turtle Beach Pinnacle Program file
Jasc Paint Shop Pro 7 Preset file
Micrografx Picture Publisher file
PlayStation Patch file
.ppg	MS PowerPoint Ppresentation
Professor Franklin's Photo Print Gold
.ppl	Polaroidpaletteplus ColorKey device driver (Harvard Graphics 3.0)
.ppm	Portable Pixel Map graphics
.ppo	Pre-processor output (Clipper 5)
.ppp	Publication (PagePlus)
Image files used in PagePlus SE
.pps	PowerPoint Slideshow
Storyboard (Personal Producer)
.ppsx	MS Office PowerPoint Slide Show file
.ppt	General file extension (PowerPoint)
.ppz	PowerPoint Packaged Presentation
.pqa	Palm Query Application File (database for wireless access)
.pqi	Power Quest Drive imaging
.pr2	Presentation (Aldus Persuasion 2.x)
.pr2	Printer driver (dBASE IV)
.pr3	Postscript printer driver (dBASE IV)
Presentation (Aldus Persuasion 3.x)
.prc	Corel Presentation file
Palmpilot resource file
Picture Gear Pocket
.prd	Printer driver (many)
.pre	Presentation (Freelance Graphics)
Settings (Programmer's WorkBench - MS C/C++)
.prf	Pixel Run Format graphics (Improces - Fastgraph)
Printer driver (dBASE IV)
Profiler output
.prg	Program (Atari)
Program source (dBASE IV - FoxPro - Clipper 5 - dBFast)
.pri	Printer definitions (LocoScript)
.prj	Project
.prm	Parameters
MYOB Premier file extension
.prn	DataCAD Windows Printer file
HP Printer Control Language
PostScript file
Printer Text file
XYWrite Printer Driver
.pro	Prolog source code file
Graphics profile file (DOS)
.prs	Printer Resource eg. fonts (WordPerfect for Win)
Presentation (Harvard Graphics Win)
Procedure (dBASE IV)
.prt	CADKEY Part file
Printer Configuration
Printer driver (Dr.Halo)
Printer-formatted file
Pro/ENGINEER Model file
Process Revolution Template file
SCEdit Part file
Unigraphics Part file
.prx	Windows Media Settings file
Compiled program (FoxPro)
.prz	Freelance Graphics 97 file
.ps	PostScript file (text/graphics) (ASCII)
.ps2	PostScript Level 2 file
.psb	Pinnacle Sound Bank
Project Scheduler Configuration file
.psd	Adobe Photoshop file
Design II for Windows
.pse	Bitmap graphics (IBM printer Page SEgment)
.psf	Photoshop Proof Settings file
Outline PostScript printer font (ChiWriter)
PrintShop Mail Favorites
.psi	PSION A-law Audio
File extenstion for Pierresoft Adesign Image
.psm	Music (MASI - ProTracker)
PrintShop Mail
Symbol table of IDE (Turbo Pascal)
.psmdoc	PrintShop Mail
.psp	PaintShop Pro Image
Procedure (Prodea Synergy)
Project Scheduler Planning file
.psr	Project Scheduler Resource file
.pst	MS Outlook personal folder
.psw	WinXP Backup Password File
.pt3	Device driver (Harvard Graphics 3.0)
Template (PageMaker 3)
.pt4	Template (PageMaker 4)
.ptb	Script (PubTech BatchWorks)
.ptm	Macro (PubTech BatchWorks)
An extension used in PUNCH! home design software
Polynomial Texture Map
.ptn	PaperPort Thumbnail Images
.ptp	Act! Modem Sync file
.ptr	Qwk reader pointer file (QMail)
.pts	Infinity Engine Game Tileset
Halflife Map Creation Debug file
.ptx	Real Legal E-Transcript
.pub	Page template (MS Publisher)
Public key ring file (Pretty Good Privacy RSA System)
Publication (Ventura Publisher - 1st Publisher)
.put	Compressed file archive created by PUT (put334.zip)
.puz	Across Lite Crossword Puzzle
Packed MS Publisher file
.pva	Hauppauge DVB-Software
.pvd	Script (Instalit)
.pvm	Parallel Virtual Machine software library
.pvl	Library (Instalit)
.pvt	Local Fidonet pointlist
.pw	Text file (Professional Write)
.pwd	Pocket Word document
AutoCAD Password file
.pwf	ProCite Workforms
.pwi	Pocket Word document
.pwl	Password List
.pwm	WebMoney Purse file
.pwp	Text document (Professional WritePlus)
.pwz	MS Powerpoint Wizard
.px	Primary database index (Paradox)
.pxl	Pocket Excel Spreadsheet
.pxv	Modelworks Project File used in JPad Pro and SitePad Pro
.py	Python script file
.pyc	Compiled PYTHON script file
.pyd	Binary Python Extension on Windows
.pyw	Python GUI Script on Windows
.pz2	Curious Labs Poser Pose file
.pz3	Curious Labs Poser Document
.pza	MGI PhotoSuite II/III/4 Album file
.pzd	Default settings (Pizazz Plus)
.pzl	Jigs@w Puzzle
Lode Runner Game Puzzle
Puzzle
.pzo	Overlay file (Pizazz Plus)
.pzp	MGI PhotoSuite II/III/4 Project file
Palette (Pizazz Plus)
.pzs	Settings (Pizazz Plus)
.pzt	Transfer file (Pizazz Plus)
.pzx	Swap file (Pizazz Plus)
.q05	Intuit Canada Quick tax file, tax return file
.q9q	BladePro Graphic Plugin file
.qad	QuickArt database
.qag	Quick Access Group (Norton Desktop)
.qap	Application (Omnis Quartz)
.qbb	QuickBooks for Windows Backup file
.qbe	Saved query (Query By Example) (dBASE IV - Quattro Pro)
.qbk	Intuit Canada Quick tax file, backup copy of tax return file
.qbl	Business Lawyer Document
.qbo	Compiled query (dBASE IV)
.qbr	QuickBooks Report
.qbw	Spreadsheet (QuickBooks for Windows)
.qcn	Qualcomm Phonebook file
.qcp	Qualcomm PureVoice File
Contains data frames generated by QCELP 13K vocoder
.qd0	Data file - segment 10 (Omnis Quartz)
.qd1	Data file - segment 1 (Omnis Quartz)
.qd2	Data file - segment 2 (Omnis Quartz)
.qd3	Data file - segment 3 (Omnis Quartz)
.qd4	Data file - segment 4 (Omnis Quartz)
.qd5	Data file - segment 5 (Omnis Quartz)
.qd6	Data file - segment 6 (Omnis Quartz)
.qd7	Data file - segment 7 (Omnis Quartz)
.qd8	Data file - segment 8 (Omnis Quartz)
.qd9	Data file - segment 9 (Omnis Quartz)
.qdat	Quicktime Installer Cache
.qdb	Quicken data file
.qdf	Quicken for Windows data file
.qdt	Quark Xpress Dictionary file
Question Mark Designer Test file
QuickBooks UK Accountancy Data file
Quicken Data file
.qdv	Graphics (Steve Blackstock Giffer)
.qe4	Kingpin Project file
.qef	Query file (Q+E for MS Excel)
.qel	Quicken Electronic Library file
.qfl	Quicken Family Lawyer file
.qfx	Quicken Financial Exchange file
Fax (QuickLink)
.qhf	QIP PDA History file
.qic	Backup set for Microsoft Backup
.qif	Quicken Interchange Format
Quicktime Image
.qix	NovaStar Backup file
Quicken for DOS v.2 data file
.qlb	Quick library (MS C/C++)
.qlc	Data (PostScript help file) atmfonts.qlc
.qlf	Family Tree Maker Genealogy file
.qlp	Printer driver (QuickLink)
.qm4	Options or services file (QMail 4.x Mail Door)
.qm	Virtual Box Language file
.qml	Quick Markup Language file
.qph	Intuit Quicken Price History file
.qpr	Generated query program (FoxPro)
Print queue device driver (OS/2)
.qpw	Quattro Pro Project file
.qpx	Compiled query program (FoxPro)
.qrp	QuickReport Report files
Centura Report Builder file
Liberty for Windows report file
.qrs	Equation Editor support file (WordPerfect for Win)
.qrt	Qrt ray tracing graphics
.qru	SQL Query file
.qry	Query (dBASE IV)
.qsd	Quicken for Windows data file
.qsi	Quintessential Stereotaxic Injector Commander log files
.qst	Quake Spy Tab file
.qt	Quicktime movie (animation)
.qtc	Incite Media Assistant file
.qtk	Apple QuickTake file format for Windows
.qtl	Quick Time Media Link file
.qtp	QuickTime Preferences
Astra Quicktest Report
.qts	Macintosh PICT image
QuickTime image
.qtx	QuickTime image
.que	CuteFTP Queue file
Task Scheduler Queue Object
.qvm	Quake file
.qvs	Casio Digital Camera file
.qw	Symantec Q&A Write file
.qwk	QWK reader message file
.qxd	QuarkXPress document file format
.qxl	Element library (QuarkXPress)
.qxp	QuarkXPress project file
.qxt	Template file (QuarkXpress)
.r	Ratfor (FORTRAN preprosessor) file
.r33	Train Simulator Game file
.r8	Raw graphics (one byte per pixel) plane one (PicLab)
.r8p	Pcl 4 bitmap font file (Intellifont)
.ra	Music (RealAudio)
.ram	Ramfile (RealAudio)
.rar	Compressed file archive created by RAR (rar1_402.exe)
.ras	Sun Rasterfile graphics
.rat	Datafile (RATS)
.raw	Raw RGB 24-bit graphics
.rb	Ruby on Rails class file
.rbf	Windows Installer Rollback file
Datafile (Rbase)
.rbn	Richard's Bridge Notation
Real Sound file
.rbs	Windows Installer Rollback Script file
.rbx	Format for playing RapidPlayer v3.0 ActiveX Control in Explorer
.rc	Resource script (Visual C/C++ - Borland C++)
Configuration (emacs)
.rcf	Rhapsody Storage file
.rcg	Netscape newsgroup file (netsc.rcg)
.rcp	Recomposer's MIDI Sequencer Music file
.rcx	Lego Mindstorms Robotics Invention System
.rdb	TrueVector Rules database
ZoneAlarm Rules database
.rdf	Compiled UIC source code (Geoworks UI Compiler)
.rdi	Device-independent bitmap file (RIFF RDIB format)
.rds	Ray Dream Studio file
.rdx	Datafile (Reflex)
.rec	Datafile (EpiInfo)
Record file (Sprint)
Recorded macro file (Windows 3.x)
.red	Path info (Clarion Modula-2)
.ref	Cross-reference
.reg	OLE Registration (Windows 3.x)
Registration (Corel programs)
.rels	Microsoft Office 2007 Relationships
.rem	Encrypted Data file
Remarks
.rep	QWK reader reply file
Report (Report Designer - CodeReporter - DataBoss)
.req	Request
.res	Compiled resource (MS C/C++ - Borland C++)
Dbase resources (dBASE IV)
.rev	Revision file (Geoworks)
.rex	Rexx source code file
.rex	Report definition (Oracle)
.rez	Resource file
.rf	Sun raster graphics
.rfl	Roll Forward Log file
.rft	Dca/RFT Revisable Format Text file (IBM DisplayWrite 4.0-5.1)
.rgb	Sgi RGB image file (SDSC Image Tool)
.rgi	RealArcade Game Installer
.rgp	RealArcade Game Package
.rgs	RealArcade Game Installer
.rgx	Symbol tables etc. info (ReaGeniX code generator)
.rh	Resource header file (Borland C++ 4.5)
.rhp	Rhapsody Notation Program File Format
.ri	Data (Lotus 1-2-3)
.rib	Graphics in Renderman format (3DReality)
.ric	Fax (Ricoh)
.rif	Riff bitmap graphics (Fractal Design Painter)
.rip	Graphics (Remote Access)
.rix	Bitmap graphics (ColorRIX VGA Paint)
.rl4	Bitmap graphics
.rl8	Bitmap graphics
.rla	Wavefront raster image file (SDSC Image Tool)
.rlb	Data (Harvard Graphics Win) hgw.rlb
.rlc	Graphics 1bit/pixel scanner output
.rle	Utah Run Length Encoded raster graphic (SDSC Image Tool)
.rlz	Realizer source code file (CA-Realizer)
.rm	RealMedia file
.rmf	Rich Map Format
Rich Music format
.rmi	Midi file (RIFF RMID format)
.rmj	Real Jukebox file
.rmk	Makefile (Clipper RMake)
.rmm	RealPlayer file
.rmr	Resume Maker file
.rms	Secure Real Media file
.rmvb	Video file for Realplayer
.rm	RealMedia
.rmvb	Real Media video file
.rmx	RealJukeBox MP3 file
.rn	Xpl program for Nota Bene users
.rnd	Rendering Slide (AutoCAD AutoShade)
.roi	Actuate ReportBlast file
.rno	Runoff file (VAX)
.rol	Fm music Adlib Music File (Roland)
.rpd	Database (RapidFile)
RosaPro file
RPV Printing System file
.rpl	Text document (Replica)
.rpm	RedHat Package Manager
RealMedia Player file
RunPaint Multicolor Graphic
.rps	Propellerhead Software Reason Song
.rpt	Report
.rrd	ERDAS Imagine file
.rs	Data file (Amiga Resource - Reassembler)
.rs_	Resource fork of a Macintosh file (Mac-ette)
.rsb	Red Storm Image Format
.rsc	Resource file
.rsm	ReliaSoft MPC 3
RuneSword II Game
WinWay Deluxe Resume file
.rsp	Response file
.rss	Rockwell Logix PLC file
.rst	ANSYS Results
ReliaSoft BlockSim
.rsw	ReliaSoft BlockSim
.rtc	Live Meeting Connection file
.rtf	Rich Text Format text file (many - Windows Word)
Windows Help file script
.rtl	Run Time Library (NU 7.0)
Text file
.rtp	Turbo Tax Update file
RTPatch software update package data file
.rts	Runtime library file (CA-Realizer)
.rtx	Reliacast Audience Manager Turnstile
Mobile Phone Ringtone
.ru	JavaSoft Library file
.rul	InstallShield
.run	RunScanner Saved file
.rv	RealVideo Video file
.rvb	Rhinoscript file
.rvp	MS Scan Configuration file
.rvw	Review
.rwg	Random Word Generator List file
.rws	Resource Workshop data file (Borland C++)
.rwx	Script (RenderWare)
.rwz	MS Outlook Rules Wizard file
.rzk	Red Zion File Crypt (password file)
.rzr	in-sync Speed Razor Project file
.rzx	in-sync Speed Razor Project file
Red Zion File Crypt (encrypted file)
.s	Assembly source code file (Unix)
Scheme source code file
.s$$	Temporary sort file (Sprint)
.s3m	Music (16 channels) (Scream Tracker 3.0)
.sac	Shared Asset Catalog (Adobe)
.saf	MusicMatch Jukebox Secure Audio file
Safe File Encryption (Helix Software)
Twelve Ghosts file
.sah	SETI@Home data file
.sal	Datafile (SORITEC)
.sam	Text file (Samna - Lotus Ami/Ami Pro)
.sar	Compressed file archive created by SAR (sar1.zip)
.sas	SAS System program
.sas7bcat	SAS System file catalog
.sas7bdat	SAS System data set
.sas7bndx	SAS System index
.sas7bpgm	SAS System Stored Program
.sas7bvew	SAS Data Set View
.sas7mdb	SAS System multidimensional database
.sat	Standard ACIS Text file
.sav	Backup file (saved file)
Configuration
Saved game situation (eg. NetHack)
.sb	Audio file (signed byte)
.sbc	Sagebrush Corporation Spectrum CIRC/CAT Report
.sbd	Storyboard (Storyboard Editor)
.sbi	Sound Blaster Instrument file (Creative Labs)
.sbj	Micrografx Clipart or Palette file
.sbn	ArcView file (GIS)
.sbp	Dml program (Superbase 4)
.sbr	Support file (Source Browser)
.sbs	SWAT HRU Output file
.sbt	Notes related to record (Suberbase 4 Windows)
.sbx	ArcView file (GIS)
.sc	Pal script (Paradox)
Display driver (Framework II)
.sc3	Renamed dBASE III screen mask file (dBASE IV)
Screen device driver (Harvard Graphics 3.0)
.sca	Datafile (SCA)
.scc	Text file
.scd	Scodl Scan Conversion Object Description Language graphics
.scf	Multimedia show (ScoreMaker)
Spelling checker configuration (Symphony)
Windows Explorer command file
.sch	Project schedule (Schedule Publisher)
Schematics file (ORCAD)
.sci	System Configuration Information
Fax (SciFax)
.scm	Scheme source code file
ScreenCam Movie file
SchematicMaker file
.scn	Screen file (Kermit)
Pinnacle Studio Scene file
.sco	High score
.scp	Script (BITCOM)
.scr	Debug source code file (DOS Debug)
Screen - screen snapshot (dBASE IV - Procomm Plus)
Screen font (LocoScript)
Screen saver (Windows 3.x)
Script (Kermit - 1st Reader)
.sct	Screen memo (FoxPro)
Windows Script Component
.scx	Bitmap graphics (ColorRIX)
Chart (Stanford Chart)
Screen (FoxPro)
.scy	Security file (ReaGeniX)
.sda	Fidonet's Software Distribution Network file archive description
.sdc	StarOffice Spreadsheet
.sdd	StarOffice Presentation
.sdf	System Data Format file (fixed lenght ASCII text)
.sdi	Software Distribution Network Info file
Single Document Interface file
.sdn	Software Distribution Network compressd file archive (pak251.exe)
.sdr	SmartDraw file
.sds	Chart Application Document file
.sdt	SmartDraw Template
Dungeon Keeper 2 Archive
Theme Park World Archive
.sdu	Edwards Systems Technology file
.sdw	StarOffice Text
Raw Signed DWord Data
Lotus WordPro Graphic
.sea	Self-Extracting compressed Macintosh file Archive
.sec	CyberPaint animation file (sequence)
Secret key ring file (Pretty Good Privacy RSA System)
Secured animation file (Disney Animation Studio)
.sed	Self Extraction Directive file
.sep	Printer separator page
.seq	Atari animation file
Sequential Instruction File (Bubble Chamber)
.ses	Session info (Clarion Modula-2)
.set	Configuration (1st Reader)
Driver sets created by Install (Symphony)
Setup options file
.sf	Ircam Sound File (CSound package - MixView sound sample editor)
Wps attribute storage (OS/2 WorkPlace Shell) wp_root.sf
.sf2	Creative Labs Soundfont file
.sfb	HP Soft Font file
.sfc	System File Checker file
.sff	Fritz Fax-Print file
Stage Scene file
Structured Fax Format
.sfi	Graphics (SIS Framegrabber)
Printer font (HP LaserJet landscape) (Ventura Publisher)
.sfl	Pcl 4 bitmap font (landscape) (Intellifont) (Ventura Publisher)
.sfn	Font (SPX)
.sfo	CuteFTP Search file
.sfp	Pcl 4 bitmap font (portrait) (Intellifont) (Ventura Publisher)
.sfs	Pcl 5 scalable font file (Intellifont)
.sft	Screen font (ChiWriter)
.sfv	QuickSFV/WinSFV Checksum file
Simple File Verification (Easy SFV Creator)
.sfw	Seattle Film Works file
.sfx	Self Extracting Archive file
.sg1	Graphics (Stanford Graphics)
.sgf	Document with graphics (Starwriter)
Smart Game Format
Sonique Skin
.sgi	Graphics (IRIS - Silicon Graphics)
.sgm	Standard Generalized Markup Language file
Run-Time Help Files
SoftQuad XMetaL File
.sgn	Sierra Print Artist Sign
.sgp	Statistics (STATGRAPHICS Plus)
.sgt	Save/get keyboard macro (Signature)
.sh	Unix shell script
Unix ASCII file archive created by SHAR (unshar.zip)
.sh3	Presentation (Harvard Graphics 3.0)
.sha	Shell Archive file
.shb	Background (CorelShow)
.shd	Microsoft Windows Shadow file
Print Spooler Shadow file
.shg	Segmented-graphics bitmap
.shk	Compressed Apple II file archive created by SHRINKIT
.shm	Shell macro (WordPerfect Library)
.shn	Shorten audio compression file
.shp	Shape file and source file for text fonts (AutoCAD)
.shr	Unix ASCII file archive created by SHAR (unshar.zip)
.shs	Microsoft Word or Excel scrap file which is created when you drag and drop selected text
.shtml	HTML File with Server Side
.shw	Presentation (Harvard Graphics 2.0 - CorelShow)
Slide show (WordPerfect Presentations)
.shx	Shape entities (AutoCAD)
.sid	Commodore64 Music file
LizardTech MrSID Photo
.sif	Setup Installation Files info (Windows NT Setup)
.sig	Current program settings (Signature)
PrintShop Sign file
Signature file (PopMail)
.sik	Backup file (Sicherungskopie) (MS Word)
.sim	Aurora
PC Finder 2002C
PowerDVD file
Simulation (various)
.sis	SymbianOS Installer file
.sit	Compressed Macintosh archive created by STUFFIT (unsit30.zip)
.sitx	Stuffit SITX Compressed File
.skb	SketchUp software file (3D Design Tool)
.skf	Autosketch file
.skin	Skin file
.skm	Google Sketchup Texture file
.skn	Interface skins images (FileWrangler, SecurDesk!, SecurDesk! LV, ZipWrangler)
Symbian OS Skin File
.skp	Sketchup software component (3D Design Tool)
.sl	S-Lang source code file
.slb	Slide library (AutoCAD)
.slc	Compiled SALT script (Telix)
.sld	Slide (AutoCAD)
.slf	BitDefender file
Symantec Licence file
.sli	Slide (MAGICorp Slide Service)
.slk	Sylk Symbolic Link format data file (MultiPlan)
.sll	Sound data file
.sln	Microsoft Visual Studio Solution file
.slt	Salt Script Application Language for Telix script source (Telix)
.sm	Smalltalk source code file
Maillist (SoftSpoken Mailer)
Script (ScriptMaker)
Text file (Samna Word)
.smc	Super Nintendo Game-console ROM Image
.smd	StarOffice Mail
.smf	Fax (SMARTFAX)
.smi	RealPlay SMIL file
Self Mounting Image file
.smil	Synchronized Multimedia Integration Language file
.smk	Compressed File (Smacker)
.smm	Macro (Ami Pro)
.smp	Sample (sound file)
.sms	Microsoft Package Definition file
Sega Master System Emulator
.smt	Text file (Smart Ware II)
.smtmp	SMTMP Virus
.snd	Digitized sound file (Macintosh/ATARI/PC)
.sng	Song (midi sound) (Midisoft Studio - Prism)
.snm	Netscape mail
.sno	Snobol4 source code file
.snp	CoffeeCup HTML Editor Snippet
Computer Eyes Video Output
Microsoft Access Report Snapshop file
Snapview Shapshot
.snx	Mirage Microdrive Snapshot Extended Version
Second Nature Software Graphic
StarCraft Saved file
.so	Apache Module file
.sol	Flash shared object file
Solution eg. game walkthroughs
.som	Network serial numbers (Quattro Pro)
Sort information (Paradox)
.son	Song (SBStudio II)
.sou	Sound data (sound tool)
.sp	Compressed file archive created by SPLINT (unix)
.spa	Macromedia FutureSplash file
Smart Protocol Analyzer Real Time Communication Data
SmartPA Saved Capture file
Thermo Nicolet OMNIC file
.spc	Program (MS Multiplan)
Temporary file (WordPerfect for Win)
Super Nintendo SPC700 sound file
.spd	Scalable font (Speedo) (Harvard Graphics 3.0)
.spf	Slide presentation file (EnerGraphics)
.spg	Glossary (Sprint)
.spi	Graphics (Siemens and Philips scanner)
.spi	InConSoft Ltd. Sim-Path system files
.spl	Compressed file archive created by SPLINT (splint.arc)
Customized printer driver (Sprint)
Personal spell dictionary (Signature)
Microsoft Windows Print Spool file
Sample
.spm	Data (WordPerfect) wp{wp}.spm
.spo	Statistical Program (SPSS)
.spp	Printer file (Sprint)
.spr	Document letter (Sprint)
Genarated screen program (FoxPro)
Sprite
.sps	Spssx source code file (VAX/VMS)
Screen driver (Sprint)
.spt	Spitbol source code file
Support file (MITAC disk/system management utility pack)
.spv	InConSoft Ltd Sim-Path vehicle file
.spw	Worksheet (SigmaPlot)
.spx	Compiled screen program (FoxPro)
.sql	SQL report or query
.sqlite	SQLite Database file
.sqm	Service Quality Monitoring file
Logfile for Windows Live Messenger
.sqz	Compressed file archive created by SQUEEZE (sqz1083e.exe)
.src	Source (DataFlex)
.srf	Sun Raster File graphics
Sony RAW Image file
.srp	Script (QuickLink)
.srt	BSplayer Subtitle file
Omron CX-Supervisor
SDR99 Speech Recognition Task Speech Recogniser Transcript
.ss	Bitmap graphics (Splash)
.ssa	Subtitles
.ssb	SmartSync Pro
.ssd	Datafile (SAS/PC)
.ssf	Snagit file
Enable Spreadsheet file
.ssm	RealPlayer Standard Streaming Metafile
.ssp	Datafile (SAS Transport)
.st	Smalltalk source code file (Little Smalltalk)
Instrument library (Scream Tracker)
Stamp (NeoPaint)
.st3	MIDI Karaoke file
.sta	Adobe Photoshop Match Colour Image Statistics file
Saved state (Reflection 4.0)
Stack (Spinmaker Plus)
.stb	Stub library (Genus GX Kernel)
.std	State Transition Diagram graphic file (Prosa)
Standard (something.) (LocoScript)
.stf	Compressed file archive created by SHRINKTOFIT
.stg	ActiveSync (Microsoft) Backup file
Statistica Graphics File
.stl	C++ Standard Template Library
.stm	State Transition Diagram model file (Prosa)
Music (Scream Tracker)
.stn	ArcView Geocoding Standardization file
STiNG file
.sto	Pascal stub OBJ file (Genus GX Kernel)
.stp	Sharepoint Web Site Template File
PageKeeper Packed Storage file
DART Pro 98 system settings
AP203 Step file
.str	Structure list object file (dBASE Application Generator)
.sts	Project status info (MS C/C++)
Song format (Scream Tracker)
.stt	Automap Template
SureThing CD Labeler Template file
.stu	Tarantella Enterprise 3 3270 Emulator Style file
xyALGEBRA file
.stw	Data file (SmartTerm for Windows)
.stx	Electronic book (SmarText)
Tax form (CA-Simply Tax)
.sty	Style library or sheet (many text and graphics programs)
.sub	CloneCd related file
.sui	Suit library (Simple User Interface Toolkit)
.sum	Summary
.sun	Sun rasterfile graphics
.sup	Supplementary dictionary (WordPerfect for Win)
.sv4	RollerCoaster Tycoon Saved Game
.svd	Autosave file for document (MS Word)
.svg	Autosave file for glossary (MS Word)
Scalable Vector Graphics File format
.svgz	Compressed Scaleable Graphic file
.svp	WISCO Survey Power
Sonique Visual Plugin file
SwiftView Command file
.svs	Autosave file for style sheet (MS Word)
.sw	Audio file (signed word)
.swd	Storybook file
Sabiston Textbook
.swf	ShockWave Flash object
.swg	Swag packet (SWAG Reader)
.swi	Swish Data file
.swk	Swapkeys Keyboard File
.swp	Document backup (Sprint)
Swap file (DOS)
.sxc	StarOffice / OpenOffice Spreadsheet file
.sxw	OpenOffice.org Writer 6.0 text file
StarOffice Word Document file
.sy1	Smartpix symbol library (Ami Pro)
.sy3	Symbol file (Harvard Graphics 3.0)
.syd	Backup of startup files created by QEMM (?) autoexec.syd
.sym	Precompiled headers (Borland C++)
Program symbol table (many compilers and linkers)
Symbol file (Harvard Graphics 2.0)
.syn	Sdsc Synu image file (SDSC Image Tool)
Synonym file (MS Word 5)
.sys	Datafile (SYGRAPH - SYSTAT - SPSS/PC)
System file - device driver or hardware configuration info (DOS)
.syw	Graphics symbols (Harvard Graphics Win)
.szc	Windows Mobile 5 (Pocket PC)
.t	Tads source
Tape Archive (tar) without compression
Tester symbol table (ReaGeniX code generator)
File extension for a Turing open source file
.t$m	AVG Internet Security Temporary file
.t04	TaxCut 2004 file
.t05	TaxCut 2005 Tax Return
.t06	TaxCut 2006 Tax Return
.t07	TaxCut 2007 Tax Return
.t08	TaxCut 2008 Tax Return
.t09	H&R Block At Home 2009 Tax Return
.t10	H&R Block At Home 2010 Tax Return
.t11	H&R Block At Home 2011 Tax Return
.t12	H&R Block At Home 2012 Tax Return
.t2	Textease 2000 file
.t44	Temporary file for Sort or Index (dBASE IV)
.t64	Program (C64S emulator)
.ta0	TaxAct file
.tab	Guitar Tablature file
MapInfo Table
Diabetes Mentor file
.tag	Query tag name (DataFlex)
.tah	Turbo Assembler Help file (Borland C++)
.tal	Text illustration (TypeAlign)
.tao	IsoBuster file
.tar	Compressed file archive created by TAR (pax2exe.zoo)
.tax	TurboTax file
.taz	Compressed ASCII file archive created by TAR and COMPRESS (.tar.Z)
.tb1	Font file (Borland Turbo C)
.tb2	Font file (Borland Turbo C)
.tbf	Fax (Imavox TurboFax)
.tbh	Mah Jongg for Windows Tile Set
.tbk	Memo backup (dBASE IV - FoxPro)
Toolbook (Asymetrix ToolBook)
.tbl	Graphics (native format) (Adobe PageMaker TableEditor)
Table of values (OS/2)
.tbs	Text elements ?? (Textbausteine) (MS Word)
.tbx	Table (Project Scheduler 4)
.tc	Configuration (Turbo C - Borland C++)
.tch	Turbo C Help file (Borland C++)
.tcl	Tool Command Language source code (Swat)
.tcp	3D Topicscape (exported inter-Topicscape topic link)
.tcw	Drawing (TurboCAD for Windows)
.td	Configuration file (Turbo Debugger for DOS)
.td0	Disk image file (Teledisk)
.td2	Configuration file (Turbo Debugger for Win32)
.tdb	Database (TACT)
eBay Turbo Lister file
.tdf	Font (TheDraw)
Typeface definition file (Speedo)
.tdh	Help file (Turbo Debugger)
.tdk	Keystroke recording file (Turbo Debugger)
.tds	Symbol table (Turbo Debugger)
.tdt	ASCII Data File in CSV Format
Daylight Fingerprint Data file
Thor Datatree file
.tdw	Configuration file (Turbo Debugger for Windows)
.tee	TeeChart Office graphic
.tef	Fax (Relisys TEFAX)
.tel	Host file (Telnet)
.tem	Turbo Editor Macro Language script (Borland C++)
Input template (IconAuthor)
.temp	Temporary file
.test	Test File Extension
.tex	LaTeX Source Document file
Tex text file (Scientific Word)
Datasheet (Idealist)
.text	ASCII Text file
.tf	Configuration (Turbo Profiler)
Configuration (TinyFugue)
.tfa	Area file (Turbo Profiler)
.tfc	Catalogue file (Tobi's Floppy Cataloguer)
.tfh	Help file (Turbo Profiler)
.tfm	Tex Font Metric file (TeX)
Tagged font metric file (Intellifont)
.tfs	Statistics (Turbo Profiler)
.tfw	ArcView World File For TIF Image
Digital Raster Graphic World
.tg1	Project file (On Target)
.tga	Truevision Targa bitmap graphics
.tgz	Compressed file archive created by TAR and GNUzip (.tar.gz)
.thb	KinuPix Skin
.thd	Thread
.thm	Thumbnail Image file
Microsoft Clipart Gallery database
Serif DrawPlus Theme
.thn	Graphics Workshop for Windows Thumbnail
.ths	Thesaurus dictionary (WordPerfect for Win)
.tib	Acronis True Image file
.tif	Tagged Image File Format bitmap graphics (PageMaker - CorelDRAW)
.tiff	Tagged Image File Format
.til	Fuzzy logic knowledge base (Togai InfraLogic Fuzzy-C Compiler)
.tim	Playstation Game Texture Image
The Incredible Machine Level File
.tis	Tile set (MahJongg 3.0)
.tix	ASA for UNIX Terminfo Extension file
DivX file
Hybrid Graphics file
Tix Widgets
.tjl	Backup file (VAXTPU editor)
.tlb	OLE Type Library
Reference table (Bubble Chamber)
Text library (VAX)
Type library (Visual C++)
.tlc	Compiled Tool Command Language source code (Swat)
.tlp	Project (TimeLine)
.tlt	Trellix Web Design file
.tmb	Timbuktu Pro Connection Document
.tmd	Document (TextMaker)
.tmf	Tagged Font Metric file (WordPerfect for Win)
.tmo	Ztg global optimizer default output file (Zortech C++)
.tmp	Temporary file
.tmpl	eMule Web Interface Template file
.tmq	TestMaster file
.tms	Script (Telemate)
.tmv	Template (TextMaker)
.toc	Table Of Contents
PSP Audio file
.tol	Kodak Photoenhancer
.TOPC	TopicCrunch project file for saving and resubmitting SEO searches
.tos	Self-extracting file archive (Atari ST)
.tp	Configuration (Turbo Pascal)
Session-state file (Turbo Profiler)
GUI template file for components written in C (Ternion)
.tp3	Template (Harvard Graphics 3.0)
.tpb	Downloadable PCL Soft font file backup (HiJaak)
.tpf	Downloadable PCL Soft font file (HiJaak)
.tph	Help file (Turbo Pascal)
.tpi	Microsoft Test file
.tpl	Document Template file
Resident units library (Turbo Pascal)
Template (Harvard Graphics 2.0)
.tpp	Protected Mode Units (Borland Pascal 7.0)
Teleport Pro Project file
GUI template file for components written in C++ (Ternion)
.tps	Clarion for Windows data file
.tpu	Turbo Pascal Unit (BGI) (Turbo Pascal)
Command file (VAXTPU editor)
.tpw	Session-state file (Turbo Profiler for Windows)
Turbo Pascal Unit (BGI) (Turbo Pascal for Windows)
.tpz	Compressed file archive created by TAR and GNUzip (.tar.gz)
.tr	Session-state settings (Turbo Debugger for DOS)
Man page input suitable for troff -man (cawf2.zip)
.tr2	Session-state settings (Turbo Debugger for Win32)
.trace	ECXpert Debugging file
TcpDump Output file
Telcordia Software Visualization and Analysis Toolsuite
WebSTAR Mail Server Error file
Zope 3 Strace Log
.trc	Debug support file (Power CTrace)
.tre	Directory tree file (PC-Tools)
.trg	Symantec LiveUpdate file
.tri	Trigram file
.trk	Kermit Script file
Mixman Studio Track
Train Dispatcher Railroad Centgralized Traffic Control Simulation
Magellan 'MapSend'- series GPS 'track' data file
.trm	Terminal settings (Windows 3.x)
.trn	Translation support file (Quattro)
.trp	Tripmaker file
High Definition Video Transport Stream file
.trs	Executable file (Micrografx)
.trw	Session-state settings (Turbo Debugger for Windows)
.trx	Router Firmware file
Emerald PC Authorize Batch Transaction file
.ts	Transport Stream file
.tsk	Skins for Pocket PC PDAs
PhotoImpact Quick Command
.tsp	Windows Telephony Service Provider
.tst	Printer test file (WordPerfect for Win)
.tsv	Tab Separated Value file
.tt10	Turbotax 2010 Return file
.tta	The True Audio Codec file
.ttc	OpenType font file
.ttf	Truetype Font file
.tub	PaintShop Pro Tube file
.tut	Tutorial
.tv	Table view settings (Paradox)
.tv1	Overflow file above insert point in Doc 1 (WordPerfect for Win)
.tv2	Overflow file above insert point in Doc 2 (WordPerfect for Win)
.tv3	Overflow file above insert point in Doc 3 (WordPerfect for Win)
.tv4	Overflow file above insert point in Doc 4 (WordPerfect for Win)
.tv5	Overflow file above insert point in Doc 5 (WordPerfect for Win)
.tv6	Overflow file above insert point in Doc 6 (WordPerfect for Win)
.tv7	Overflow file above insert point in Doc 7 (WordPerfect for Win)
.tv8	Overflow file above insert point in Doc 8 (WordPerfect for Win)
.tv9	Overflow file above insert point in Doc 9 (WordPerfect for Win)
.tvf	Table view settings (dBASE)
.tvo	TeveoLive
.tvp	NVIDIA Graphic Card Update file
.tvr	Navicat for MySQL file
.tvt	RealPlayer
.txd	Grand Theft Auto 3 Texture file
Letters Direct
.txf	Compressed file archive created by TAR and FREEZE (.tar.f)
.txi	Support file (TeX)
.txl	Genesis3D Texture file
.txt	Text file
.tym	Time Stamp (PageMaker 4)
.tz	Compressed file archive created by TAR and COMPRESS (.tar.Z)
.tzb	Compressed file archive created by TAR - COMPRESS - BTOA (.tar.Z.btoa)
.uax	Unreal Audio file
.ub	Audio file (unsigned byte)
.uc2	Compressed file archive created by UltraCompressor II (uc2.zip)
.ucn	New compressed file archive created by UltraCompressor II
.ucs	Universal Classification Standard Database file
.udc	Acrobat Spelling file
.udf	Filter (Photostyler)
.udl	MS Data Link
.uds	Sierra Generations Family file
.ue2	Encrypted file archive created by UltraCompressor II
.ufo	Ulead PhotoImpact Graphic file
.uha	UHARC Compressed Archive file
.uhs	Universal Hint System (binary file)
.ui	Espire source code file (Geoworks UI Compiler)
User interface (Sprint)
.uif	MagicISO Disc Image file
Long prompts for windows (WordPerfect for Win)
.uih	Espire header file (Geoworks UI Compiler)
.uis	WindowBlinds (Copyright Neil Banfield & Stardock.net, Inc.)
.ul	Ulaw audio file
.uld	Information about uploaded files (Procomm Plus)
.ult	Music (UltraTracker)
.umb	Backup file (MemMaker)
.umd	Universal Media Disc file
.umf	Stockmoves, MOTEK BV
.umx	Unreal music file
.uni	Unimod music module (MIKMOD)
Datafile (Forecast Pro)
.unl	Garmin Unlock file
.unq	Fax View file
.uns2	Ultra Notes Backup file
.unx	Text file containing UNIX specific info
.upd	Program update info
Update data (dBASE)
.upg	Firmware Upgrade file
.upo	Compiled update data (dBASE)
.upx	ULead Photo Express Saved Image file
.url	Uniform Resource Locator (Internet shortcut)
.urls	GetRight URL List file
.usb	D-Link FM Radio Update
USB Protocol Analyzer Trace
.user	Visual Studio User Options file
.usp	Printer font with USASCII extended character set (PageMaker)
.usr	User database file (Procomm Plus - Turbo C++ tour)
.utf	AOL Updating Files
.utl	Sound file
.utx	Unreal Engine Texture file
Unicode file
.uu	Compressed ASCII file archive created by UUDE/ENCODE
.uue	Compressed ASCII file archive created by UUENCODE (uuexe515.exe)
.uvf	CSV (comma separated value) format. Used by Netica
.uvr	Ulead Cool 360 Viewer file
.uw	Audio file (unsigned word)
.uwl	WordPerfect User Word List file
.v	Consistency check support file (ReaGeniX code generator)
Main input file for an image (Vivid 2.0)
.v2	Microsoft Live Messenger data file
.v64	Nintento 64 Emulation ROM Image
.val	Validity checks and referential integrity (Paradox for Windows)
Values list object file (dBASE Application Generator)
.van	Animation (VistaPro)
.var	Variable file (IconAuthor)
.vbc	Visual Business Cards
.vbd	ActiveX file
.vbe	VBScript Encoded Script file
.vbn	Norton Corporate anti-virus quarantined file
.vbp	Visual Basic Project file
.vbs	Visual Basic Script file (Visual Basic)
.vbw	Visual Basic Project Workplace (Visual Basic)
.vbx	Visual Basic eXtension (Visual Basic)
.vc	Include file with color definitions (Vivid 2.0)
Spreatsheet (VisiCalc)
.vc4	Virtual CD/DVD Image file
.vcd	VisualCADD Drawing file
Video CD format
.vce	Visual CE Class Type file
.vcf	VCard file
.vch	Interlock Public Computer Utility
.vcmf	VAIO Content Metadata file
.vcs	vCalender file
.vcw	Visual workbench information (MS Visual C++)
.vcx	Spreatsheet (VisiCalc Advanced)
.vda	Bitmap graphics
.vdb	Norton AntiVirus Corporate Edition Update file
PC-cillin Quarantined file
.vdf	Avira AntiVir virus definition file
Vexira Anti-virus virus definition file
.vdi	Virtual Disk Images files
.vdj	Virtual DJ Sample file
.vdm	VDM Play
.vdr	Drawing (ComputerEasy Draw)
.vdx	XML for Visio Drawing file
Vector Graphic file
Virtual Device Driver
.vem	VeePro Embroidery Software Format
Voice E-mail file
.ver	Version Description file
.vew	View file (Clipper 5, Lotus Approach)
.vfm	Voting Form (Voter)
.vfn	Voting Form for Customers (Voter)
.vfp	TMPGEnc VFAPI Plug-in
.vfs	Virtual File System Index
.vfx	Ulead Video Studio Sample file
.vga	Vga display driver
Vga display font
.vgd	Vga display driver (Generic CADD)
.vgr	Graphics (Ventura Publisher)
.vhd	Virtual Hard Disk file
.vi	Graphics (Jovian Logic VI)
.vic	Vicar graphics
.vid	Video file
Ms-DOS Shell Monitor file (MS-DOS 5)
Bitmap graphics (YUV12C M-Motion Frame Buffer)
Screen device driver (Word)
.vif	Khoros Visualization image file (SDSC Image Tool)
.vik	Viking graphics
.vir	Virus Infected file
.vis	Vis graphics
.viv	VivoActive Player Video file
.vlm	Ashlar-Vellum file
Novell Virtual Loadable Module
Vellum CAD Drawing
.vlt	WinVault Container file
.vm	Virtual Memory file (Geoworks)
.vm1	Panasonic SD Voice Editor file
.vmc	Virtual memory configuration (Acrobat reader)
.vmdk	VMware Image file
.vmf	Font characteristics (Ventura Publisher)
Voice mail file (VocalTec Voice)
.vmg	Text Message files
.vml	Vector Markup Language
.vmo	Mobile Phone voice file (Siemens Sl45)
Virtools Behavioral Server Composition (Web-based Protected Format)
Cosmopolitan Virtual Makeover File
.vmp	Logos Library System 2.x Verse Map
.vms	Text file containing VMS specific info
.vmt	Valve Material file. Details how a material is to be rendered
.vmx	VMware Configuration file
.vnt	vNote file
.vo	Include file with object definition (Vivid 2.0)
.vob	DVD video movie file
.voc	Digitized samples (Creative Voice file)
.vof	Object folder (VZ Programmer)
.vol	VOL Archive file
Tribes 2 game file
Earth Siege 2 Archive
Giants: Citizen Kabuto Archive
Tribes Archive
Tribes Extreme Archive
.vor	OpenOffice.org Template
.vox	Vox Audio
Dialogic ADPCM
Talking Technology Inc. file
Natural MicroSystmes Voice file
.vp6	TrueMotion VP6 Video file
.vpa	Excite Chat Gestures file
.vpd	Virpet Performance Descriptor
VitaGraph file
.vpg	Graphics (VPGraphics)
.vpk	Steam Package Archive file
.vpl	Karaoke Player Playlist file
Virtual Property List file
.vpp	Virtual Pool Game
Red Faction/Summoner Package file
.vqe	Yamaha Sound-VQ Locator File
.vqf	Yamaha Sound-VQ File
.vql	Yamaha Sound-VQ Locator File
.vrd	VRScape data file
.vrm	Overlay file (QuattroPro)
.vro	Panasonic DVD Recorder file
.vrp	Project (WATCOM VX?Rexx)
.vrs	Video Resource eg. video device driver (WordPerfect)
.vs	Include file with surface definition (Vivid 2.0)
.vsd	Diagram (Shapeware Visio)
.vsl	GetRight Download List file
Visio Library
.vsm	Simulation model (VisSim)
.vsp	Visual Studio file
Sprite (SPX)
Backup Exec 9.1 and higher
.vss	Smartshapes file (Shapeware Visio)
.vst	Truevision Vista bitmap graphics
.vtf	Valve Texture file. Used to store texture data
.vts	DVD File format
.vtx	XML for Visio template file
.vue	Animation (3D Studio)
View (dBASE IV - FoxPro)
.vw	Text file (Volkswriter)
.vw3	Text file (Volkswriter 3)
.vwl	VideoWave Video Wave Library
.vwr	File viewer file (PC Tools)
.vwt	VideoWave Thumbnail
.vxd	Virtual device driver (MS Windows)
.vyd	VyperHelp
.w	Database AppBuilder Source Code file
Word chart file (APPLAUSE)
.w02	Multiple Archive file
.w30	Printer font (AST TurboLaser) (Ventura Publisher)
.w31	Startup file (Windows 3.1)
.w3g	Warcraft III file
.w3m	Warcraft III Map file
.w44	Temporary file for Sort or Index (dBASE)
.w5v	Winamp file
.wab	Outlook File
.wac	Infinity Game Engine WAVC Sound
.wad	Doom Game file
Gunman Chronicle Archive
Half Life Archive
Heretic Archive
Hexen Archive
Quake Archive
Theme Park World Archive
.waf	Mayim's WAF Compiler file
.wal	Winamp Skin file
WalMaster Showlist file
.war	Java Web Archive (used by Servlets)
Konqeror HTML page archive
.wav	Waveform audio file (RIFF WAVE format)
.wax	Windows Media Player Redirect file
.wb1	Notebook (Quattro Pro)
.wb2	Spreadsheet (Quattro Pro)
.wb3	Quattro Pro for Windows
.wba	WindowBlinds Compressed Skin
Winace Zip file
.wbc	Webshots Picture Collection
.wbf	Ms Windows Batch File (Catch)
.wbk	Document/workbook (WordPerfect for Win)
.wbmp	Wireless Application Protocol Bitmap file
.wbt	Batch file (WinBatch)
.wbx	Webigger file
.wbz	WebShots file
.wcd	Macro token list (WordPerfect for Win)
.wcm	Data transmission file (MS Works)
Macro (WordPerfect for Win)
.wcp	Product information description (WordPerfect for Win)
.wd2	Info Select for Palm Organizer file
WordExpress Document
.wdb	Database (MS Works)
.wdf	ReliaSoft Weibull 5.0
Workshare DeltaView DeltaFile
.wdl	Windows XP Watchdog Log file
.web	Web source code file
.wer	Microsoft Windows Error Report file
.wfc	Windows Connect Now file
.wfm	Form object (dBASE Form Designer)
.wfn	Font (CorelDRAW)
.wfx	Data file (Winfax)
.wg1	Worksheet (Lotus 1-2-3/G)
.wg2	Worksheet (Lotus 1-2-3 for OS/2)
.wgt	Opera Widget file
.wid	Width table (Ventura Publisher)
.wim	Image Format file
.win	Opera Saved Window file
Window file (FoxPro - dBASE)
Wonderware InTouch window file
.wiz	Page wizard (MS Publisher)
.wjp	WildTangent Branded .jpg file
.wk1	Spreadsheet (Lotus 1-2-3 version 2.x - Symphony 1.1+)
.wk3	Spreadsheet (Lotus 1-2-3 version 3.x)
.wk4	Spreadsheet (Lotus 1-2-3 version 3.4)
.wkb	Document (WordPerfect for Win)
Workbook file
.wke	Spreatsheet (Lotus 1-2-3 educational version)
.wkq	Spreatsheet (Quattro)
.wks	Spreadsheet (Lotus 1-2-3 version 1A - Symphony 1.0 - MS Works)
Workspace (Xlisp)
.wll	Word Add-in
.wlk	Graphics (Virtus Walkthrough)
.wlt	eWallet file
WaveL Wavelet Compressed Graphic
Words of Worship Liturgy
.wma	Microsoft Active Streaming file
.wmc	Backup of startup files by Windows MathCad autoexec.wmc
Macro file (WordPerfect for Win)
Text file (WordMARC)
.wmf	Windows MetaFile vector graphics
.wml	Wireless Markup Language
.wmv	MS Active Streaming file
.wmz	Windows Media Compressed skin file
.wn	Text (NeXT WriteNow)
.wnf	Outline font description (CorelDRAW native format)
.wo4	STABCAL file
.wo7	STABCAL file
.woa	Swap file (Windows 3.x)
.woc	Microsoft Office 2007 Organization file
Organization (Windows OrgChart)
.wor	MapInfo Workspace
.wot	WebEx Saved Meeting Movie
.wow	Music (8 channels) (Grave Mod Player)
.wp	Text file (WordPerfect 4.2)
.wp3	Microsoft Photo Story Project file
.wp5	Document (WordPerfect 5.x)
.wpd	Document (WordPerfect 6.0 - PFS:WindowWorks)
.wpf	Fax (WorldPort)
Form (WordPerfect)
.wpg	WildTangent Branded .PNG file
Wordperfect Graphics vector graphics (DrawPerfect)
.wpj	MS Works Projects
.wpk	Macros (WordPerfect for Win)
.wpl	Windows Media Player Playlist file/td>
Draxy Software Wallpaper Sequencer
Online WebPanel file
PFS WinWorks Spreadsheet
WHAT IF MOL-object
Words of Worship Playlist
.wpm	Macros (WordPerfect)
.wps	Text document (MS Works)
.wpt	WordPerfect template
602 pro PC SUITE template document file
.wpw	PerfectWorks document
.wq!	Compressed spreadsheet (Quattro Pro)
.wq1	Spreadsheet (Quattro Pro)
.wr1	Spreadsheet (Symphony 1.1 - 1.2 - 2)
.wrd	Template (Charisma)
.wrf	used for WebEx recording. Microsoft office add-in for meeting
.wri	Text file (Windows Write)
.wrk	Spreadsheet (Symphony 1.0, 1.2, 2.0, 3.0)
.wrl	Plain text VRML file
.wrml	Plain text VRML file
.wrp	Compressed Amiga file archive created by WARP
.wrs	Windows Resource eg. printer driver (WordPerfect for Win)
.ws	Text file (WordStar 5.0-6.0)
.wsf	Windows Script file
.wss	Web Screen Saver file (Web Screen Saver 2008)
.ws2	Text file (WordStar 2000)
.wsc	Windows scripting component file
.wsd	Document (WordStar)
.wsf	Windows Script file
.wsh	Windows Script Host Settings file
.wsp	Workspace (Fortran PowerStation)
.wsr	FirstStop WebSearch file
.wss	Web Screen Saver file (Web Screen Saver 2008)
.wst	Text file (WordStar)
.wsx	WinMX Filesharing Program
.wsz	Skin Zip file (WinAmp)
.wtd	WinTune Document file
.wtr	MS Encarta file
.wv	WavPack compressed Audio file
.wve	Component of a DIVX Movie Conversion
Psion Series 3a/3c/3mx Waveform sound file
.wvx	Metafile
.wvw	Backup Wonderware InTouch window file
.wwb	Button bar for document window (WordPerfect for Win)
.wwk	Keyboard layout (WordPerfect for Win)
.wwp	Worms World Party Teams file
.wws	AutoRoute User Information
.wwv	WildTangent Branded .WAV file
.wxp	Document (EXP for Windows)
.wxs	Easy Cross crosstitch file
.wzg	WZebra file
.wzs	Microsoft Word wizard
.x	DirectX Object file
AVS X image file (SDSC Image Tool)
Lex source code file
.x01	Secondary index (Paradox)
.x02	Secondary index (Paradox)
.x03	Secondary index (Paradox)
.x04	Secondary index (Paradox)
.x05	Secondary index (Paradox)
.x06	Secondary index (Paradox)
.x07	Secondary index (Paradox)
.x08	Secondary index (Paradox)
.x09	Secondary index (Paradox)
.x16	Macromedia Program Extension (16-bit)
.x32	Macromedia Program Extension (32-bit)
.xap	Silveright Application Package
.xbel	XML Bookmark Exchange Language file
.xbm	X11 Bitmap graphics
.xcf	Gimp Image file
.xdf	Milnta APL Transfer Function
Workshare Synergy file
.xdw	X Windows Screen Dump file
.xef	X-Genics eManager - XML form and data for eManager
.xem	X-Genics eManager - Metered units / credit definition for forms/file usage in eManager
.xep	X-Genics eManager - File packaging / unpacking information for eManager components
.xes	X-Genics eManager - XML definition for UI skins
.xet	X-Genics eManager - XML definition for eManager process
.xev	X-Genics eManager - File download definition for auto-update and delivery of new procedures
.xez	X-Genics eManager - Template package for eManager
.xfd	XML Form in XFDL Format
.xfdl	Extensible Forms Description Language file
.xfn	Printer font (Xerox 4045) (Ventura Publisher)
.xft	24 pin printer font (ChiWriter)
.xfx	Fax File (various)
.xhtml	Extensible HyperText Markup Language file
.xi	Fast Tracker 2 Instrument or ScreamTracker Instrument file
.xif	Wang image file
Often a Fax image (TIFF) file
ScanSoft Pagis XIF Extended Image Format
Xerox image file
.xla	Xlib Archive (xlibpas2.zip)
.xla	Add-in macro sheet (MS Excel)
.xlb	Data (MS Excel)
.xlc	Chart document (MS Excel)
.xlk	Excel Backup
.xll	Excel Dynamic Link Library (MS Excel)
.xlm	Macro sheet (MS Excel)
.xlr	MS Works file
.xls	Spreadsheet(MS Works)
DATAIR Data Import Specification Translation file
Worksheet (MS Excel)
.xlsm	Microsoft Excel Macro-Enabled Workbook file
.xlsx	Microsoft Excel XML file
.xlt	Template (MS Excel)
Translation table (Lotus 1-2-3 - Symphony - Procomm Plus)
.xlw	Workbook (MS Excel)
.xlx	XoloX Incomplete Download file
.xm	Music (Fast Tracker)
.xmi	Compressed eXtended MIdi music
.xml	Extensible Markup Language file
.xmp	Extensible Metadata Platform
.xnf	Standard Network File form
.xpi	XPInstall File
Digital surveillance system
.xnk	Microsoft Exchange Shortcut
.xpl	Music file
.xpm	X11 Pixel Map graphics
.xpr	Memorex CD-ROM label file
.xps	XML Paper Specification file
.xpt	Mozilla Firefox Component file
XPCOM Type Library
.xpw	Leading Market Technologies EXPO
Screen-Fillable Surfer Version of a Form
.xqt	Executable file (Waffle)
Macro sheet (SuperCalc)
.xpv	digital surveillance system
.xrf	Cross-reference file
.xsd	XML Schema file
.xsf	Milnta APL Transfer Function
.xsl	Extensible Stylesheet Language file
.xspf	XML Shareable Playlist file
.xss	Ability Office Spreadsheet
.xtb	External translation table (LocoScript)
.xtm	Xtremsplit Data file
.xtr	MapTool file (an add-on for UI-View)
Xtreme Tuning files
.xul	XML User Interface Language file
.xvb	WinExplorer VB Script
.xvid	Xvid Video file
.xvl	Compact 3D file format for web apps.(Lattice 3D)
.xwd	X Window System window dump image graphics (SDSC Image Tool)
.xwk	Keyboard mapping (Crosstalk)
.xwp	Session (Crosstalk)
Text file (Xerox Writer)
.xx	Compressed file ASCII archive created by XXENCODE (uuexe515.exe)
.xxe	Compressed file ASCII archive created by XXENCODE (uuexe515.exe)
.xxx	Singer Sewing Machine Professional SewWare file
Embroidery Design file
.xy	Text file (XY Write)
.xy3	Text file (XYWrite III)
.xyw	Text file (XyWrite III)
.xyz	ASCII RPG Maker Graphic Format
.xz	XZ Compressed Archive file
.y	Yacc grammar file
Compressed Amiga file archive created by YABBA
.y01	Secondary index (Paradox)
.y02	Secondary index (Paradox)
.y03	Secondary index (Paradox)
.y04	Secondary index (Paradox)
.y05	Secondary index (Paradox)
.y06	Secondary index (Paradox)
.y07	Secondary index (Paradox)
.y08	Secondary index (Paradox)
.y09	Secondary index (Paradox)
.yab	Yabasic Source Code file
.yal	Data (Arts & Letters)
.ybk	Microsoft Encarta Yearbook file
.ychat	Yahoo! Messenger chat log
.yenc	yEnc file
.ymg	Yahoo! Messenger file
.yml	YAML file
.ync	yEnc Encoded file
.yps	Yahoo! Messenger Data file
.yuv	YUV Encoded Image or Video file
.yz	Compressed file archive created by YAC
.yz1	Yamazaki ZIPPER file
.z	Compressed file ASCII archive created by COMPRESS (comp430d.zip)
Unix Compressed file archive created by PACK (Unix SysV pack)
.z01	Winzip Split Archive file
.z02	Split Archive file
.z1	ZoneAlarm Renamed VB file
.z3	Infocom game module
.zap	Zero Administration Package file
FileWrangler Compressed file
MS Windows Software Installation Settings
.zbd	Canon ZoomBrowser Database file
MechWarrior 3 Snow Fields file
Zebedee Encrypted file
.zdb	Zimbra Database File
.zdb
.zdct	After Effects Language file
.zdg	Compressed ZiffNet text document (Zview)
.zdl	Design Pro Label file
.zdp	ZDNet Password Pro 32
.zer	Data file (Zerberus)
.zfx	ZFX - CC3 File Packer Tool
.zgm	Graphics (Zenographics)
.zhtml	Secure IE Zipped HTML file
.zi	Renamed Zip file
.zif	Zooming Image Format file
.zip	ZIP Compressed file archive
.zipx	WinZip Compressed file
.zix	Quicken Data file
WinZix Compressed file
.zl?	Zone Alarm Mailsafe Renamed File.
ZoneAlarm quarantines attachments and changes their file names.
ZoneAlarm Quarantined EXE File (Ex. .EXE to .zl9)
.zl	Zlib Compressed file
.zls	Atlantis Ocean Mind Word Processing file
.zmc	ZoneAlarm Mailsafe
.zom	Compressed Amiga file archive created by ZOOM
.zon	Grand Theft Auto 3 Zone file
.zoo	Compressed file archive created by ZOO (zoo210.exe)
.zpk	Z Firm Package file
.zpl	Creative Zen Micro playlist
.zst	ZSNES Slot 0 Savestate
.ztd	Ziff Davis Media text database
.zvd	Zyxel Voicefile (Z-Fax)
.zvz	Possible Virus file
.zxp	Extension Manager Package
.zz	Zzip Compressed Archive file
.zzt	ZZT Game Creation System

Recommended Reading:An Introduction to Data File Formats and Their File Extensions

NumberSymbolABCDEFGHIJKLMNOPQRSTUVWXYZFull List

IT Solutions BuilderTOP IT RESOURCES TO MOVE YOUR BUSINESS FORWARD

https://golmessenger.netlify.app/download-song-directly-to-iphone.html. Click to expand.They could buy an old used PC laptop for $100 from somebody too. Please somebody tell me I'm wrong, and there is a way to get music from a website into an iTunes library on an iDevice without a computer. We aren't thieves, this content is not and will never be offered on iTunes or any competitor of theirs, we aren't trying to cheat anyone. Without Jailbreaking. Why oh Why does Apple make this so hard with music?

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