| File extension | The full name of the file |
|---|---|
| File extension A | Unix Static Object Code Library Format |
| File extension A$V | QuarkXpress Automatically Saved Project |
| File extension A00 | Split Multi-volume ARJ Compressed File Archive (part 2) |
| File extension A01 | Split Multi-volume ARJ Compressed File Archive (part 3) |
| File extension A02 | Split Multi-volume ARJ Compressed File Archive (part 4) |
| File extension A03 | Split Multi-volume ARJ Compressed File Archive (part 5) |
| File extension A04 | Split Multi-volume ARJ Compressed File Archive (part 6) |
| File extension A05 | Split Multi-volume ARJ Compressed File Archive (part 7) |
| File extension A06 | Split Multi-volume ARJ Compressed File Archive (part 8) |
| File extension A07 | Split Multi-volume ARJ Compressed File Archive (part 9) |
| File extension A08 | Split Multi-volume ARJ Compressed File Archive (part 10) |
| File extension A09 | Split Multi-volume ARJ Compressed File Archive (part 11) |
| File extension A1 | Free Pascal Archive |
| File extension A10 | Split Multi-volume ARJ Compressed File Archive (part 12) |
| File extension A11 | Split Multi-volume ARJ Compressed File Archive (part 13) |
| File extension A12 | Split Multi-volume ARJ Compressed File Archive (part 14) |
| File extension A13 | Split Multi-volume ARJ Compressed File Archive (part 15) |
| File extension A14 | Split Multi-volume ARJ Compressed File Archive (part 16) |
| File extension A15 | Split Multi-volume ARJ Compressed File Archive (part 17) |
| File extension A16 | Split Multi-volume ARJ Compressed File Archive (part 18) |
| File extension A17 | Split Multi-volume ARJ Compressed File Archive (part 19) |
| File extension A18 | Split Multi-volume ARJ Compressed File Archive (part 20) |
| File extension A19 | Split Multi-volume ARJ Compressed File Archive (part 21) |
| File extension A1WISH | Audials Wishlist Format |
| File extension A20 | Split Multi-volume ARJ Compressed File Archive (part 22) |
| File extension A21 | Soundweb Firmware |
| File extension A26 | Atari 2600 ROM Image Format |
| File extension A2A | IBM Voice Type Languages Vocabels |
| File extension A2B | Adlib Tracker II Instrument Bank |
| File extension A2C | Alice Scene Format |
| File extension A2DESKTOP | Aston Desktop Desktop Skin |
| File extension A2I | Adlib Tracker Instrument Format |
| File extension A2L | ASAP2 Description Format |
| File extension A2M | AdLib Tracker 2 Format |
| File extension A2MENU | Aston Desktop Start Menu Skin |
| File extension A2P | Adlib Tracker Pattern Format |
| File extension A2PANEL | Aston Desktop Panel Skin |
| File extension A2R | KittyXplorer Encrypted Archive |
| File extension A2T | Adlib Tracker Tiny Module Format |
| File extension A2THEME | Aston 2 Theme Format |
| File extension A2W | Alice Program World Format |
| File extension A31 | Adobe Authorware Library |
| File extension A32 | Split Multi-volume ARJ Compressed File Archive (part 34) |
| File extension A3D | Amapi 3D Modeling |
| File extension A3G | Photo! 3D Gallery |
| File extension A3K | Yamaha A3000 Sampler |
| File extension A3L | Adobe Authorware Library Format |
| File extension A3M | Adobe Authorware Unpackaged Format |
| File extension A3P | Alice 3 Project |
| File extension A3S | Yamaha A3000 Sample |
| File extension A3W | Adobe Authorware Unpackaged Format |
| File extension A3X | AccuLoad III.net Settings |
| File extension A41 | Adobe Authorware Library |
| File extension A4L | Adobe Authorware Library Format |
| File extension A4M | Adobe Authorware Unpackaged Format |
| File extension A4P | Adobe Authorware Package Without Runtime |
| File extension A4R | Adobe Authorware Package Course |
| File extension A4W | Adobe Authorware Unpackaged Format |
| File extension A51 | Adobe Authorware Library |
| File extension A52 | Atari 5200 Game Image Format |
| File extension A5D | Adobe Authorware Model |
| File extension A5L | Adobe Authorware Library Format |
| File extension A5M | Adobe Authorware Unpackaged |
| File extension A5P | Adobe Authorware Package Without Runtime |
| File extension A5R | Adobe Authorware Packaged File Without Runtime |
| File extension A5RPT | Alpha Five Project Report |
| File extension A5W | Adobe Authorware Unpackaged Format |
| File extension A5WCMP | Alpha Five Web Publishing |
| File extension A64 | Artist 64 |
| File extension A65 | Adobe Authorware Library Format |
| File extension A66 | µVision Assembler Source |
| File extension A6D | Adobe Authorware Model |
| File extension A6L | Adobe Authorware Library |
| File extension A6M | Adobe Authorware Unpackaged |
| File extension A6P | Adobe Authorware Application Format |
| File extension A6R | Adobe Authorware Packaged File Without Runtime |
| File extension A6W | Adobe Authorware Unpackaged |
| File extension A78 | Atari 7800 Image |
| File extension A7D | Adobe Authorware Model |
| File extension A7E | Adobe Authorware Packaged Library |
| File extension A7L | Adobe Authorware Library |
| File extension A7M | Adobe Authorware Unpackaged |
| File extension A7P | Adobe Authorware Packaged File Without Runtime |
| File extension A7R | Adobe Authorware Packaged File Without Runtime |
| File extension A7W | Adobe Authorware Unpackaged |
| File extension A86 | A86 Assembly Language Source Code |
| File extension A8S | Anim8or Script Format |
| File extension AA | Audible Audio Format |
| File extension AA3 | Sony ATRAC Audio Format |
| File extension AAA | Sybase SQLAnywhere Temporary |
| File extension AAB | Adobe Authorware Binary |
| File extension AAC | Advanced Audio Coding Format |
| File extension AAD | FreeBSD |
| File extension AAF | Advanced Authoring Format Multimedia Format |
| File extension AAM | Adobe Authorware Shocked Format |
| File extension AAO | Agenda At Once Format |
| File extension AAP | Apollo Advanced Playlist |
| File extension AAPKG | ArchestrA IDE Package |
| File extension AAR | Apache Axis2 Archive |
| File extension AAS | Adobe Authorware Shocked Packet |
| File extension AAT | ArcInfo Line Data |
| File extension AATREND | ActiveFactory Trend |
| File extension AAUI | Adobe Acrobat UI Settings Format |
| File extension AAW | Lavasoft Ad-Aware 2007 Settings |
| File extension AAWDEF | Ad-Aware Definitions Format |
| File extension AAX | Audible Enhanced Audio Format |
| File extension AB | Google Android Debug Bridge Backup Format |
| File extension AB$ | Autodesk AutoCAD Plot Spooling |
| File extension AB1 | DNA Electropherogram Format |
| File extension AB2 | Print Shop Address Book File |
| File extension AB3 | Photoimpact 3 Album Format |
| File extension AB4 | AB4 Accounting & Business Data |
| File extension AB6 | ABStat Data |
| File extension AB65 | Adobe PageMaker Document |
| File extension AB8 | ABStat Data |
| File extension ABA | Palm Address Book Archive Format |
| File extension ABBU | Apple Address Book Archive Format |
| File extension ABC | Musical Notation Language Format |
| File extension ABCD | AudioVisual Book Data Format |
| File extension ABCDDB | Apple Address Book Database |
| File extension ABCDG | Apple AddessBook |
| File extension ABCDMR | Apple Address Book Mail Recent |
| File extension ABCDP | Address Book Card Data |
| File extension ABD | The Bat! Mail Processing System |
| File extension ABDATA | Adobe Bridge Data Format |
| File extension ABE | Application Boundaries Enforcer |
| File extension ABF | Adobe Binary Screen Font Format |
| File extension ABG | FIFA World Cup Game Data Beart |
| File extension ABI | Chromatogram Editor Format |
| File extension ABICOLLAB | AbiWord Collaborative File Descriptor |
| File extension ABK | Ability Write Backup Format |
| File extension ABKPRJ | Ashampoo Burning Studio Backup Project Format |
| File extension ABL | ABEL Hardware Description Language |
| File extension ABM | Music Album Format |
| File extension ABN | Alpha Five |
| File extension ABP | AVS Barcode Profile |
| File extension ABR | Adobe Photoshop Brush Format |
| File extension ABS | Absolute Database Single-file Database Format |
| File extension ABT | The Arbiter Game Schedule |
| File extension ABU | ACT! E-mail Address Book |
| File extension ABW | AbiWord Document Format |
| File extension ABX | Corel WordPerfect Mail Address Book |
| File extension ABY | AOL Directory Format |
| File extension ABZ | Alpha Black Zero Game |
| File extension AC | AC3D Geometry Format |
| File extension AC$ | AutoCAD Undo Info Format |
| File extension AC0 | SPICE AC/frequence Domain Output |
| File extension AC1 | SPICE AC/frequence Domain Output |
| File extension AC2 | SPICE AC/frequency Domain Output |
| File extension AC3 | Dolby Digital Sound Format |
| File extension AC3D | 3d Format Data |
| File extension AC4 | SPICE AC/frequence Domain Output |
| File extension AC5 | ArtCut 5 Document Format |
| File extension AC6 | Artcut Software Graphics Design Format |
| File extension AC7 | SPICE AC/frequence Domain Output |
| File extension AC8 | SPICE AC/frequence Domain Output |
| File extension AC9 | SPICE AC/frequence Domain Output |
| File extension ACA | Microsoft Agent Character Format |
| File extension ACA2 | Fontographer |
| File extension ACAD | AutoCAD Database |
| File extension ACB | Adobe Color Book Format |
| File extension ACBL | Adobe Color Book Format |
| File extension ACC | DR DOS - ViewMax Format |
| File extension ACCDA | Microsoft Access 2007/2010 Add-in Format |
| File extension ACCDB | Microsoft Access 2007/2010 Database Format |
| File extension ACCDC | Microsoft Access 2007/2010 Digitally Signed Database Format |
| File extension ACCDE | Microsoft Access 2007/2010 Compiled Execute Only Format |
| File extension ACCDP | Microsoft Access 2007/2010 Project |
| File extension ACCDR | Microsoft Access 2007/2010 Runtime Mode Database Format |
| File extension ACCDT | Microsoft Access 2007/2010 Database Template Format |
| File extension ACCDU | Microsoft Access 2007/2010 Database Wizard Format |
| File extension ACCDW | Microsoft Access Link Format |
| File extension ACCESS | Java Access Control |
| File extension ACCESSOR | Microsoft Visual Studio Accessor |
| File extension ACCFL | Microsoft Access Field Template |
| File extension ACCFT | Microsoft Access Template Format |
| File extension ACCOUNTPICTURE-MS | Microsoft Windows 8 Account Picture Format |
| File extension ACCT | IBM AIX System |
| File extension ACD | Sonic Foundry ACID Audio Format |
| File extension ACD-BAK | Sony ACID Project Backup Format |
| File extension ACD-ZIP | Sony ACID Compressed Project Format |
| File extension ACE | WinACE Compressed Ace Archive Format |
| File extension ACF | Microsoft Agent HTTP Character Format |
| File extension ACFM | Adobe Composite Font Metrics Format |
| File extension ACG | Age Of Wonders Saved Game |
| File extension ACGD | ACG System Predictive Model |
| File extension ACGI | ACGI Script (WWW) |
| File extension ACGL | ACG System Licence |
| File extension ACH | Medlin Payroll Software Automated Clearing House |
| File extension ACI | ACI Development Appraisal |
| File extension ACK | Swifty |
| File extension ACL | Microsoft Office Automatic Correction List |
| File extension ACLOCK | Amazing Clock |
| File extension ACM | ACM Compressed Sound Format |
| File extension ACMD | Apache Commander Project |
| File extension ACO | Adobe Photoshop Color Palette And Swatches Format |
| File extension ACORN | Acorn Draw Format |
| File extension ACP | Alfresco Exported Repository Format |
| File extension ACQ | AcqURL Bookmark Manager |
| File extension ACR | Bitmap Graphics |
| File extension ACROBATSECURITYSETTINGS | Adobe Acrobat Security Settings Format |
| File extension ACRODATA | Adobe Acrobat Data Format |
| File extension ACROPLUGIN | Adobe Acrobat Plug-in Format |
| File extension ACRS | Adobe Authorware |
| File extension ACRYPT | AutoCrypt Encrypted Document |
| File extension ACS | Microsoft Agent Character Structured Storage Format |
| File extension ACS2 | AIMP Media Player Skin |
| File extension ACS3 | AIMP Skin Package |
| File extension ACSM | Adobe Content Server Message Format |
| File extension ACT | Adobe Photoshop/Illustrator Color Table |
| File extension ACT! | ACT! |
| File extension ACTION | Mac OS X Automator Action Format |
| File extension ACTIONS | Photoline 4 Defaults |
| File extension ACTIONSCRIPTPROPERTIES | Adobe Flex Settings |
| File extension ACTIVITYDIAGRAM | Microsoft Visual Studio Activity Diagram |
| File extension ACTM | Autodesk AutoCAD Action Macro Format |
| File extension ACTPROJ | Microsoft Visual Studio Visual SourceSafe ACT Project |
| File extension ACTX | DS Game Maker Action Description Format |
| File extension ACU | Machine Independent COBOL Object |
| File extension ACV | Adobe Photoshop Colour Curves Format |
| File extension ACW | Microsoft Accessibility Wizard Format |
| File extension ACX | Atari ST Program Format |
| File extension AD | After Dark Screen Saver Format |
| File extension AD1 | Forensic Toolkit FTK Imager Image |
| File extension AD3E | Adobe Dimensions Mac |
| File extension AD65 | PageMaker 6.5 |
| File extension ADA | ADA Language Source Code Format |
| File extension ADADOWNLOAD | Adobe Download Assistant Partially Completed Download |
| File extension ADB | Ability Database Database Format |
| File extension ADBA | AIMSS Author Project Configuration |
| File extension ADBLOCK | Alpha Five Temporary |
| File extension ADC | Lingvo Dictionary Format |
| File extension ADCP | Adobe Device Centra Project |
| File extension ADD | Microsoft Dynamics AX Developer Documentation Format |
| File extension ADDIN | Microsoft Visual Studio Addin Format |
| File extension ADDON | CFS Console Add-on Format |
| File extension ADDR | Metin2 Data |
| File extension ADE | Microsoft Access Compiled Project Format |
| File extension ADF | ArcView ARC/INFO Coverage Data Format |
| File extension ADG | Ableton Live Device Group Format |
| File extension ADH | Audible Manager |
| File extension ADI | Active@ Disk Image Format |
| File extension ADIUMEMOTICON | Adium Dock Icon |
| File extension ADIUMEMOTICONSET | Adium Emoticon Set |
| File extension ADIUMHTMLLOG | Adium HTML Log |
| File extension ADIUMICON | Adium Icon |
| File extension ADIUMLIBPURPLEPLUGIN | Adium Lib Purple Plugin |
| File extension ADIUMLISTLAYOUT | Adium List Layout |
| File extension ADIUMLISTTHEME | Adium List Theme |
| File extension ADIUMLOG | Adium Log |
| File extension ADIUMMENUBARICONS | Adium Menu Bar Icon |
| File extension ADIUMMESSAGESTYLE | Adium Message Style |
| File extension ADIUMPLUGIN | Adium Plugin |
| File extension ADIUMSCRIPTS | Adium AppleScripts |
| File extension ADIUMSERVICEICONS | Adium Service Icons |
| File extension ADIUMSOUNDSET | Adium Sound Set |
| File extension ADIUMSTATUSICONS | Adium Status Icon |
| File extension ADJ | LISCAD Adjustment |
| File extension ADJUSTMENTPRESETS | Apple Aperture Preset |
| File extension ADK | OS/2 Saved SKF Format |
| File extension ADL | ADONIS Models And Model Groups Export |
| File extension ADLS | ADL Workbench |
| File extension ADM | Administrator Policy Template Format |
| File extension ADML | Microsoft Administrative Language-specific XML Template Format |
| File extension ADMX | Microsoft Administrative XML Template Format |
| File extension ADN | Microsoft Access Blank Project Template |
| File extension ADO | Adobe Photoshop Duotone Format |
| File extension ADOBEBRIDGE | Adobe Bridge |
| File extension ADOBENET | Adobe Production Studio |
| File extension ADOC | Authentica Secure Office Encoded Word Document |
| File extension ADOS | Compound Document |
| File extension ADOX | ActivDox Document Format |
| File extension ADP | Microsoft Access Project Format |
| File extension ADPP | Adobe Device Central Package Profile |
| File extension ADR | Opera Bookmarks Format |
| File extension ADRG | ARC Digitized Raster Graphics |
| File extension ADS | Ada Package Specification |
| File extension ADSK | Autodesk Exchange |
| File extension ADSM | Advanced Split Machine Split |
| File extension ADT | Lingvo Dictionary Format |
| File extension ADTG | Advanced Data TableGram |
| File extension ADTS | Audio Data Transport Stream |
| File extension ADU | Dictionary Format |
| File extension ADV | Nortek Acoustic Doppler Velocimeter Format |
| File extension ADVS | Adobe Device Central Format |
| File extension ADW | Tamil Transliterater/font Converter |
| File extension ADX | Approach Database Index Format |
| File extension ADZ | Amiga Emulator Compressed ADF Format |
| File extension AD_ASM | Alibre Design CAD |
| File extension AD_PRT | Alibre Design CAD |
| File extension AE0 | NetBSD Ethernet Configuration |
| File extension AE1 | FileMaker Pro Runtime Database |
| File extension AEA | Ae Timer Alarm Document Format |
| File extension AEB | Alphacam Wire EDM VB Macro |
| File extension AEC | DataCAD Drawing Format |
| File extension AED | Alphacam Wire EDM Drawing |
| File extension AEE | ASUS Data Security Manager Encoded |
| File extension AEF | ELECTRICAL Designer Related |
| File extension AEH | IPer Advanced Embedded Hypertext |
| File extension AEM | Alphacam Wire EDM Parameter Macro |
| File extension AEP | Adobe After Effects Project Format |
| File extension AEPKEY | Advanced Encryption Package Key Format |
| File extension AEPX | Adobe After Effects XML Project Format |
| File extension AER | Adobe Atmosphere |
| File extension AES | AES Crypt Encrypted Format |
| File extension AET | Adobe After Effects Template Format |
| File extension AETX | Adobe After Effects Format |
| File extension AEU | Microsoft AutoRoute Express Europe Route |
| File extension AEX | Greetings Card Format |
| File extension AEXPK | PGP Armored Extracted Public Key |
| File extension AF | 3DPlus Model |
| File extension AF2 | Micrografx FlowCharter 2.0 Flowchart Format |
| File extension AF3 | Micrografx FlowCharter Flowchart Format |
| File extension AFA | Astrotite Compressed Data |
| File extension AFB | Alphacam Flame VB Macro |
| File extension AFC | Compressed Audio Interchange Format Format |
| File extension AFD | Alphacam Flame Drawing Format |
| File extension AFE | Avid Media Metadata Format |
| File extension AFF | Advanced Forensics Format Disk Image |
| File extension AFG | Tablet Assembly |
| File extension AFL | XMap Related |
| File extension AFM | Adobe Font Metrics Format |
| File extension AFN | ArtCAM Font |
| File extension AFO | Advanced File Organizer Catalog |
| File extension AFO-XVID | Compressed Video |
| File extension AFP | FileProtector Encrypted Format |
| File extension AFPLOC | Apple Mac OS X Filing Protocol Location Format |
| File extension AFPP | Mac Apple Share |
| File extension AFR | FreeBSD |
| File extension AFS | STAAD.foundation Project Format |
| File extension AFS3 | AFS 3 Basic Encrypted |
| File extension AFT | Family Tree Data Format |
| File extension AFW | Micrografx FlowCharter Work Area |
| File extension AFX | Auto F/X Image Format |
| File extension AFZ | Family Tree Backup |
| File extension AG | Applix Graphics |
| File extension AG4 | Microsoft Access G4 |
| File extension AGA | ArcGIS ArcGlobe |
| File extension AGB | Nintendo Game Boy Advance ROM Image |
| File extension AGC | Compiled Script |
| File extension AGD | Agile Advantage Format |
| File extension AGD1 | Adobe FreeHand For Mac Drawing |
| File extension AGD2 | Adobe FreeHand 7 For Mac |
| File extension AGDB | ANSYS DesignSpace |
| File extension AGE3REC | Age Of Empires III Recorded Game |
| File extension AGE3SAV | Age Of Empires III Save Game |
| File extension AGE3SCN | Age Of Empires III Scenario Format |
| File extension AGE3XREC | Age Of Empires III: The WarChiefs Recorded |
| File extension AGE3XSAV | Age Of Empires III: The WarChiefs Save Game |
| File extension AGE3XSCN | Age Of Empires III: The WarChiefs Scenario |
| File extension AGE3YREC | Age Of Empires III: The Asian Dynasties Recorded Game |
| File extension AGE3YSAV | Age Of Empires III: The Asian Dynasties Save Game |
| File extension AGE3YSCN | Age Of Empires III: The Asian Dynasties Scenario |
| File extension AGENT | Forte Agent And FreeAgent Data |
| File extension AGEO | Dream Aquarium Fish Model |
| File extension AGF | Atlas GIS Native Binary Geodataset |
| File extension AGG | AggFlow Plant Flow Analysis |
| File extension AGGR | Adobe Captivate Aggregator Format |
| File extension AGI | Asterisk Gateway Interface Format |
| File extension AGIF | Active GIF Creator Project Format |
| File extension AGILEKEYCHAIN | 1Password Data |
| File extension AGL | ArgusLab Molecular Graphics Modelling |
| File extension AGLDEI | Adobe GoLive Template |
| File extension AGLS | Adobe GoLive Snippet |
| File extension AGLSL | Adobe GoLive Site |
| File extension AGM | Audio Format |
| File extension AGMODULE | Adobe Lightroom Module |
| File extension AGO | Autolog Script |
| File extension AGP | ArtGem Project Format |
| File extension AGPREFS | Adobe Photoshop Lightroom Preferences |
| File extension AGR | Ableton Live Groove Format |
| File extension AGS | AfterGRASP Script |
| File extension AGTEMPLATE | Adobe Photoshop Lightroom Preset |
| File extension AGTOOLKIT | Adobe Photoshop Lightroom |
| File extension AGV | ArcGlobe Video Metadata |
| File extension AGW | Aspen Graphics |
| File extension AGWL | Abstract Grid Workflow Language |
| File extension AGX | Rational XDE |
| File extension AGX1 | Adobe FreeHand For Mac Extension |
| File extension AGZ | AggFlow Aggregate Plant Flow Diagram |
| File extension AH | FreeBSD |
| File extension AHB | AIM High Briefcase Report |
| File extension AHC | Resident Evil 4 |
| File extension AHD | Microsoft Dynamics AX On-line Help Data Format |
| File extension AHF | Aces High Film |
| File extension AHI | Microsoft Dynamics AX Online Help Index Format |
| File extension AHK | AutoHotkey Script Format |
| File extension AHL | EMule Metadata Format |
| File extension AHOD | Homeworld |
| File extension AHP | AutoCAD Help |
| File extension AHS | Adobe Photoshop Halftone Screens Format |
| File extension AHTM | HTML |
| File extension AHTML | HTML |
| File extension AHU | Adobe Photoshop Hue Saturation Lightness Format |
| File extension AHX | WinAHX Tracker Module Format |
| File extension AI | Adobe Illustrator Graphics Format |
| File extension AI3 | Generic Encapsulated PostScript Graphic Format |
| File extension AI4 | Generic Encapsulated PostScript Graphic |
| File extension AI5 | Generic Encapsulated PostScript Graphic |
| File extension AI6 | Generic Encapsulated PostScript Graphic |
| File extension AI65 | Adobe PageMaker For Mac Extension |
| File extension AI7 | Generic Encapsulated PostScript Graphic |
| File extension AI8 | Generic Encapsulated PostScript Graphic Format |
| File extension AIA | Adobe Illustrator Action Format |
| File extension AIC | Advanced Image Coding Format |
| File extension AID | Star Trek Armada Arficicial Intelligence Parameters |
| File extension AIDL | AIDL Interface |
| File extension AIF | Audio Interchange File Format Sound Format |
| File extension AIFB | AIF Builder Project Format |
| File extension AIFC | Audio Interchange File Format Sound File With Compression |
| File extension AIFF | Audio Interchange File Format |
| File extension AIFR | Audio Interchange File Format |
| File extension AIG | Architecture Drawing |
| File extension AIH | Attribute Index |
| File extension AIJ | Oracle After-Image Journal |
| File extension AIL | AutoImager |
| File extension AIM | AIMMS ASCII Model Format |
| File extension AIMPPL | AIMP Media Player Playlist Format |
| File extension AIN | ArcView Attribute Index Format |
| File extension AIO | Bitmap |
| File extension AIP | Adobe Illustrator Plugin Format |
| File extension AIR | Adobe AIR Rich Internet Applications |
| File extension AIRAPPLICATION | Adobe AIR Application |
| File extension AIRI | Adobe AIR Intermediate |
| File extension AIRPORT | RealFlight Simulator |
| File extension AIRPORTS | RealFlight Airports Data |
| File extension AIS | ACDSee Album Image Sequence Format |
| File extension AIT | Adobe Illustrator Template Format |
| File extension AIU | Advanced Installer Updates Configuration Format |
| File extension AIV | AIVault Data Format |
| File extension AIW | Formula One 2001 Game |
| File extension AIX | IBM AIX |
| File extension AJA | Backup Revision Control Archive |
| File extension AJB | Alphacam Water Jet VB Macro |
| File extension AJD | Alphacam Water Jet Drawing |
| File extension AJG | AJC Grep Project |
| File extension AJL | CA ARCserve Backup Journal |
| File extension AJM | Alphacam Water Jet Parameter Macro |
| File extension AJP | AJP Player Video Format |
| File extension AKAI | Akai S-series Floppy Disk Image |
| File extension AKF | Adobe Acrobat Key |
| File extension AKM | Aksharamala Keymap Binary |
| File extension AKP | Akai S5000, S6000 Program Format |
| File extension AKS | Aksharamala Keymap Binary |
| File extension AKT | Aksharamala Keymap Source |
| File extension AKW | Adobe RoboHelp Help Project Index Designer |
| File extension AL | A-Law Compressed Sound Format |
| File extension AL3 | Electronic Data Interchange |
| File extension AL8 | AAA Logo Project |
| File extension ALA | Alan Interactive Fiction Language |
| File extension ALAC | Apple Lossless Audio Codec Audio Format |
| File extension ALARMZ | Alarmz Alarm |
| File extension ALAW | A-Law Compressed Sound Format |
| File extension ALB | Alpha Five Data Dictionary |
| File extension ALB3 | Adobe PageMaker Document |
| File extension ALB4 | Adobe PageMaker For Mac Document |
| File extension ALB5 | Adobe PageMaker 5 Document |
| File extension ALB6 | Adobe PageMaker For Mac |
| File extension ALBM | Photo Album Format |
| File extension ALBUM | Thumbnail Cache |
| File extension ALC | Visual MP3 Embedded Dynamic Lyrics |
| File extension ALC4 | Adobe PageMaker For Mac Dictionary |
| File extension ALCO | URL Manager Pro |
| File extension ALD | Microsoft Dynamics AX Application Label Data Format |
| File extension ALD2 | Adobe PageMaker For Mac |
| File extension ALD3 | Adobe PageMaker 3 For Mac |
| File extension ALD4 | Adobe Pagemaker 4 For Mac |
| File extension ALD5 | Adobe PageMaker 6 For Mac |
| File extension ALD6 | Adobe PageMaker 6 For Mac |
| File extension ALDF | Aldefaer Data |
| File extension ALE | Avid Log File Format |
| File extension ALF | ACT! Lookup Format |
| File extension ALF6 | PageMaker Default |
| File extension ALG | ER Mapper Algorithm |
| File extension ALH5 | Adobe PageMaker Add-in |
| File extension ALI | BlackBerry Application Loader Format |
| File extension ALIAS | Alias Image |
| File extension ALIASES | LabVIEW IP Adresses Map |
| File extension ALL | Cubasis Project Format |
| File extension ALLOW | Linux Access |
| File extension ALM | Alpha Five Database Information |
| File extension ALMB | Mac OS 8.1 Action Module Data |
| File extension ALMN | Location Manager Module |
| File extension ALN | LexNavigator Database Update |
| File extension ALO | Star Wars: Empire At War Game |
| File extension ALP | Ableton Live Pack Format |
| File extension ALR | ADRIFT Language Resource Format |
| File extension ALS | Ableton Live Project Format |
| File extension ALT | Microsoft Dynamics AX Temporary Format |
| File extension ALT3 | Adobe PageMaker Template |
| File extension ALT4 | Adobe PageMaker For Mac |
| File extension ALT5 | Adobe Pagemaker 5 For Mac Document |
| File extension ALT6 | Adobe PageMaker 6 |
| File extension ALTH | QuickHelp For Mac |
| File extension ALTP | QuickHelp |
| File extension ALTQ | QuickView Settings |
| File extension ALTV | QuickView Help |
| File extension ALV | Adobe Photoshop Levels Format |
| File extension ALW | A-law G.711 European Telephony Format |
| File extension ALX | BlackBerry Application Loader Format |
| File extension ALY | Sage ACT! |
| File extension ALZ | ALZip Compressed Format |
| File extension AM | GLPK Automake/autoconf Makefile Definitions Format |
| File extension AM1 | Adventure Maker Project Format |
| File extension AM2 | AutoPlay Menu Studio Ver.2 Data |
| File extension AM3 | AutoPlay Menu Studio Ver.3 Data |
| File extension AM4 | AutoPlay Menu Studio Version 4 Project Format |
| File extension AM5 | AutoPlay Menu Studio Ver.5 Data Format |
| File extension AM6 | AutoPlay Menu Studio Ver.6 Data Format |
| File extension AM7 | AutoPlay Menu Studio Ver.7 Data Format |
| File extension AMA | ArcGIS ArcMap |
| File extension AMAYA | Amaya |
| File extension AMB | Alphacam 3D Mill Or 2D Mill VB Macro Format |
| File extension AMC | Ant Movie Catalog Format |
| File extension AMD | Alphacam 3D Mill, 2D Mill Drawing |
| File extension AME | ACT! E-mail System Library |
| File extension AMF | DSMIA/Asylum Module Music Format |
| File extension AMFM | Adobe Multiple Font Metrics Format |
| File extension AMI | Amica Paint |
| File extension AMIPRO | Ami Pro Table Structure |
| File extension AMJ | AceMoney |
| File extension AMK | AceMoney Backup |
| File extension AML | Microsoft Assistance Markup Language |
| File extension AMM | Abbyy Format |
| File extension AMO | AIM AOL Instant Messenger UI Extension |
| File extension AMODEL | ActiveModeler Project |
| File extension AMOS | AMOS Basic Code |
| File extension AMP | Adobe Photoshop Arbitrary Map Settings Format |
| File extension AMR | Adaptive Multi-Rate Compressed Audio Format |
| File extension AMS | Velvet Studio Module Format |
| File extension AMSM | Atomic Mail Sender Project |
| File extension AMSORM | OnLine Ringman Format |
| File extension AMST | Atomic Mail Sender Template |
| File extension AMT | ABBYY Finereader 5.0 Pro |
| File extension AMT50 | BERNINA V5.0 Embroidery Software Template |
| File extension AMT60 | BERNINA V6.0 Embroidery Software Template |
| File extension AMU | Sony PictureGear Studio Photo Album Format |
| File extension AMV | AMV Video File Format |
| File extension AMW | Alcorn McBride Show Controller |
| File extension AMX | Adobe Motion Exchange Format |
| File extension AMXD | Max For Live Project Format |
| File extension AMXX | AMX Mod X Plug-in Format |
| File extension AMZ | Amazon MP3 Downloader Format |
| File extension AN | Adobe Edge Animate Project Format |
| File extension AN1 | DeLorme Street Atlas Drawing Format |
| File extension AN2 | Croc Animation Format |
| File extension AN8 | Anim8or 3D Animation Format |
| File extension ANA | Analysis For Windows |
| File extension ANAT | XNBC Network Anatomy |
| File extension ANC | Alphacam NC Program |
| File extension ANDROID | Readme |
| File extension ANE | Adobe AIR Native Extension Format |
| File extension ANF | ANSYS DesignModeler |
| File extension ANG | AIMSUN NG Related |
| File extension ANH | ActivTrak Net View History |
| File extension ANI | Animated Cursor |
| File extension ANIM | Amiga Animation Format |
| File extension ANIMSET | FaceFX Animation Set Format |
| File extension ANIMSET_INGAME | FaceFX In-Game Animation Set Format |
| File extension ANISO | Chemical Crystallography |
| File extension ANJUTA | Anjuta DevStudio Project Format |
| File extension ANKI | Anki Deck |
| File extension ANL | Project Analyzer Saved Analysis |
| File extension ANM | 3D Animation Format |
| File extension ANME | Anime Studio Project Format |
| File extension ANN | Microsoft Windows Help Annotation Format |
| File extension ANNOT | Adobe Digital Editions Annotations Format |
| File extension ANR | DeLorme Street Atlas Route |
| File extension ANS | ANSI Text File (ANSI Art) |
| File extension ANSR | AnswerTool Answer Document |
| File extension ANSYM | Adobe Edge Animate Library Format |
| File extension ANT | CalcAnt Saved Calculation |
| File extension ANTIFRAG | DC++ Incomplete Download |
| File extension ANTISPAM5 | Personal AntiSpam Settings Format |
| File extension ANTMPL | Adobe Edge Animate Template |
| File extension ANV | AirNav Image |
| File extension ANX | HotDocs Answer Format |
| File extension ANY | AnyRail Layout Plan Format |
| File extension ANYDVDHD | AnyDVD Registration Key |
| File extension AO | ActionOutline Data |
| File extension AOB | DVD Audio Object Format |
| File extension AOD | Microsoft Dynamics AX Object Data Format |
| File extension AOF | Artlantis Object Format |
| File extension AOI | AOI Scene Format |
| File extension AOIS | CFS Console Add-on Installer Settings Format |
| File extension AOL | America On-line Related Format |
| File extension AOM | Adobe After Effects Output Settings Format |
| File extension AOP | JBoss AS JAR Archive |
| File extension AOS | Archos Signed Encrypted Data Format |
| File extension AOT | ZenWorks SnAppShot Application Binary Object Template |
| File extension AP | Fifth Generation Systems Active Page Format |
| File extension AP0 | Microsoft Windows APW_data |
| File extension AP2 | ActivInspire Resource Pack |
| File extension AP3 | Asprova Project |
| File extension AP? | LoseThos C+ Source |
| File extension APA | RSView Application Manager Archive |
| File extension APALBUM | Apple Aperture Album Format |
| File extension APB | Alphacam Punch VB Macro |
| File extension APC | AiroPeek Wireless Trace Capture |
| File extension APCDOC | Ashampoo Photo Commander |
| File extension APD | ACDSee Photo Document |
| File extension APDB | Apple Aperture Library |
| File extension APDETECTED | Apple IPhoto |
| File extension APDISK | Apple Mac OS X Related |
| File extension APE | Winamp Plug-ins AVS Format |
| File extension APERTUREEDIT | Apple Aperture |
| File extension APERTUREEXPORT | Apple Aperture |
| File extension APEX | AVM Sample Studio Bank |
| File extension APF | Adobe Acrobat Profile Format |
| File extension APFACENAME | Apple IPhoto Face Data |
| File extension APG | APGen Script |
| File extension APH | Ability Photoalbum Album Database Format |
| File extension API | Adobe Acrobat Plugin Format |
| File extension APIN | Adobe InDesign Import/export Filter |
| File extension API_FILTERS | Eclipse API Settings |
| File extension APJ | AutoCAD Project |
| File extension APK | Google Android Package Format |
| File extension APL | ArcPad Layer Format |
| File extension APLG | Audials One Add-on Format |
| File extension APLIBRARY | Aperture Pictures Library Database Format |
| File extension APLMODEL | Apple ICal |
| File extension APLN | Adobe InDesign 3rd Party Extension |
| File extension APLP | Audials One Add-on Installation Package Format |
| File extension APLT | Mac OS X AppleScript Applet |
| File extension APM | Aldus Placeable Metafile |
| File extension APNG | Animated Portable Network Graphics Format |
| File extension APNX | Amazon Kindle Index Format |
| File extension APO | Abacre Paperless Office |
| File extension APP | MAC Application Package Or Core System Service Format |
| File extension APP-SE | Sony Ericsson XPERIA X10 |
| File extension APPCACHE | HTML5 Cache Manifest |
| File extension APPDATA | VMWare Cache |
| File extension APPDOWNLOAD | Mac OS X App Store Incomplete Download Format |
| File extension APPICON | VMWare Cache |
| File extension APPLE | Apple AppleSingle Data |
| File extension APPLEDOUBLE | Apple AppleDouble Resource |
| File extension APPLESCRIPT | AppleScript Script Format |
| File extension APPLESYNCINFO | IOS |
| File extension APPLET | Eclipse IDE For Java Developers Format |
| File extension APPLETVIEWER | Java Appletviewer |
| File extension APPLE_PARTITION_MAP | Apple Partition Scheme |
| File extension APPLICATION | ClickOnce Deployment Manifest Format |
| File extension APPREF-MS | Application Reference Format |
| File extension APPUP | Erlang Application Upgrade Format |
| File extension APPV | App-V Archive |
| File extension APPX | Microsoft AppX Application Package Format |
| File extension APPXMANIFEST | Windows Store App Source Manifest |
| File extension APPXSYM | Microsoft Visual Studio Windows 8 Application Information Format |
| File extension APPXUPLOAD | Microsoft Visual Studio Windows 8 Application Upload Format |
| File extension APR | ArcView Project Format |
| File extension APREF-MS | Application Reference |
| File extension APRJ | ApacheConf Project |
| File extension APS | Microsoft Visual C++ Binary Version Of Resource Format |
| File extension APSMARTALBUM | Apple Aperture |
| File extension APT | Almost Plain Text Format |
| File extension APU | Audacity Audio |
| File extension APV | Acerose Password |
| File extension APVAULT | Apple Aperture Vault |
| File extension APW | Password |
| File extension APX | Borland C++ Appexpert Database Format |
| File extension APXL | Apple Keynote Presentation XML Document Settings Format |
| File extension APXT | DataLink Setting |
| File extension APZ | AMS Shared Project Format |
| File extension AP_ | Google Android Development Resources Package Format |
| File extension AQ | Ancestral Quest Genealogy |
| File extension AQ1 | AptiQuiz Test |
| File extension AQA | AptiQuiz Result |
| File extension AQC | AquaChem Database |
| File extension AQF | Aquifer-Generated Web Page |
| File extension AQL | AOL DLL |
| File extension AQM | AlpineQuest GPS Hiking Map Format |
| File extension AQP | Quizmaker 08 And Older Quiz |
| File extension AQQ | AQQ Extension |
| File extension AQT | AQTitle Subtitles Format |
| File extension AQZ | Amateur Radio Questionary Data |
| File extension AR | Linux/Unix Command Library Format |
| File extension AR-WMP | BrainVoyager QX Anatomical-resolution Volume Map |
| File extension ARA | Archivaldo Resource Archive |
| File extension ARB | Alphacam Router VB Macro |
| File extension ARBVP1 | Google Earth Shader |
| File extension ARC | ARC Lossless Data Compression And Archive Format |
| File extension ARCH00 | F.E.A.R. Game Archive Format |
| File extension ARCH01 | F.E.A.R. 2 Game |
| File extension ARCHCFG | F.E.A.R. 2 Project Origin Configuration |
| File extension ARCHITECT | Soundweb London Design |
| File extension ARCHIVER | Incredible Bee Archiver Archive |
| File extension ARCINFO | ArcInfo Info |
| File extension ARCUT | Adobe Prelude Rough Cut Format |
| File extension ARD | ArtiosCAD Workspace Format |
| File extension ARE | BioWare Aurora Engine Area |
| File extension ARENA | Quake 3 Id Tech 3 Game Engine Arena Settings Format |
| File extension ARF | WebEx Advanced Recording Format |
| File extension ARFF | Weka Attribute-relation Format |
| File extension ARG | AutoCAD Profile Export Format |
| File extension ARGO | ArgoUML Project |
| File extension ARH | El Airplane Game Archive Format |
| File extension ARI | ARRI Raw Image Format |
| File extension ARIA | Chipsounds Audio Format |
| File extension ARIAX | Chipsounds XML Sound Format |
| File extension ARJ | ARJ Compressed Archive Format |
| File extension ARK | ARC File Archiver CPM/Port Archive Format |
| File extension ARL | AOL Organizer Format |
| File extension ARLC | Commandos 2 Men Of Courage Game |
| File extension ARM | MySQL Archive Storage Engine Metadata |
| File extension ARMA2OAPROFILE | ArmA 2 Settings |
| File extension ARMA2PROFILE | ARMA2 Profile |
| File extension ARMX | ASP.NET Source |
| File extension ARMY | Impossible Creatures Collection Of Created Creatures |
| File extension ARN | Astronomical Research Network Image Format |
| File extension ARO | SteelArrow Script Format |
| File extension ARP | Alphacam Router Post Format |
| File extension ARPACK | ArtRage Package |
| File extension ARPI | Adobe Extension |
| File extension ARQ | BSM Action Request System Client Macro |
| File extension ARR | Advanced RAR Password Recovery Project Format |
| File extension ARS | Adobe After Effects Render Settings Format |
| File extension ARSC | Google Android Resource Format |
| File extension ARSCRIPT | ArtRage Script |
| File extension ART | Bernina Artista Embroidery Format |
| File extension ART42 | V1.x Explorations Projects |
| File extension ART50 | BERNINA V5.0 Embroidery Software Designs |
| File extension ART6 | Articulate Presenter Compressed |
| File extension ART60 | BERNINA V6.0 Embroidery Software Designs |
| File extension ARTB | Artboard Vector Drawing Format |
| File extension ARTF | Adobe FreeHand Xtra |
| File extension ARTPROJ | Artifacts Project Format |
| File extension ARTWORK | ArtStudio Image Format |
| File extension ARTX | Artisteer Project |
| File extension ARTZ | Adobe Illustrator For Mac |
| File extension ARU | Autorun.aru Malicious |
| File extension ARV | Microsoft Autoroute User Information |
| File extension ARW | Sony Digital Camera RAW Image Format |
| File extension ARX | AutoCAD Runtime Extension Format |
| File extension ARXML | AUTOSAR XML |
| File extension ARY | SmartStart Scripting Toolkit |
| File extension ARZ | MySQL Archive Storage Engine Data |
| File extension AS | Adobe Flash ActionScript Document |
| File extension AS$ | Microsoft Word Temporary |
| File extension AS2 | ACTIVstudio Resource |
| File extension AS2PROJ | FlashDevelop Project Format |
| File extension AS3A | ActivInspire Resource |
| File extension AS3PROJ | FlashDevelop ActionScript 3 Project Format |
| File extension AS4 | AskSam Backup Format |
| File extension AS4A | ActivInspire Resource Pack |
| File extension AS? | LoseThos Assembly Source |
| File extension ASA | Active Server Configuration Format |
| File extension ASAT | Assemble SAT 3D Model Format |
| File extension ASAX | ASP.NET Application Optional Source Format |
| File extension ASB | Alphacam Stone VB Macro Format |
| File extension ASBX | Microsoft ASP.Net BridgeHandler |
| File extension ASC | ASCII Text Characters Format |
| File extension ASCII | ASCII Text Characters Format |
| File extension ASCM | Adobe Content Server Message |
| File extension ASCS | Adobe Device Central Format |
| File extension ASCX | Active Server Pages Web User Control Format |
| File extension ASD | Microsoft Word Auto-save Document Format |
| File extension ASDB | Asphyre Sphinx Archive |
| File extension ASDVDCRTPROJ | Aimersoft DVD Creator Project |
| File extension ASE | Adobe Swatch Exchange Format |
| File extension ASEC | Google Android Encrypted Application Package Format |
| File extension ASEF | Adobe Swatch Exchange |
| File extension ASEP | Separator For Mac |
| File extension ASF | Advanced Systems (streaming) Format |
| File extension ASG | Airport Tycoon Saved Game |
| File extension ASGP | HP-UX NIS Maps Configuration |
| File extension ASH | Audiosurf Audio Metadata Format |
| File extension ASHBAK | Ashampoo Burning Studio Backup Archive Format |
| File extension ASHDISC | Ashampoo Disk Image Format |
| File extension ASHLANG | Ashampoo Media Player+ |
| File extension ASHPRJ | Ashampoo Burning Studio Project Format |
| File extension ASHX | ASP.NET Web Handler Format |
| File extension ASI | Alpha Five Storage Format |
| File extension ASIC | ASIC Source |
| File extension ASIS | Apache As Is |
| File extension ASK | AskSam Database Format |
| File extension ASL | Adobe Photoshop Layer Style Format |
| File extension ASM | Assembler Source Code Format |
| File extension ASMDOT | SolidWorks Assembly Template |
| File extension ASMPRP | SolidWorks Assembly Custom Properties Tab Template |
| File extension ASMX | Active Server Plus Web Services Source Format |
| File extension ASN | GameSpy Arcade Skin |
| File extension ASND | Adobe Soundbooth Sound Document Format |
| File extension ASO | Sage Accpac Simply ASO Import |
| File extension ASP | Active Server Page Script Page |
| File extension ASP+ | ASP.NET ASP+ |
| File extension ASPR | ASProtect Related |
| File extension ASPROJ | Microsoft Visual Studio Analysis Services Project |
| File extension ASPX | Active Server Page Extended ASP.NET Script Format |
| File extension ASR | Adobe Photoshop Scratch Area Format |
| File extension ASRP | Arc Standard Raster Product |
| File extension ASS | Advanced SubStation Alpha Subtitle Format |
| File extension ASSET | Unity Asset Format |
| File extension ASSISTANT | HP Printer Utility For Mac Assistant Plugin |
| File extension ASSOC | Associate This Association Database |
| File extension ASSTRM | Splinter Cell Blacklist Game Data |
| File extension AST | Adobe Photoshop Colour Separation Table |
| File extension AST2 | Astrotite |
| File extension ASTX | Adobe Story Exported Script |
| File extension ASU | ToolBook Package Definition |
| File extension ASV | Adobe Photoshop Selective Colour Format |
| File extension ASVF | Asphyre Sphinx Archive |
| File extension ASW | ACDSee Slideshow Wizard Format |
| File extension ASWCS | Avast! Antivirus Skin |
| File extension ASWS | Avast! Antivirus Skin |
| File extension ASX | Microsoft Advanced Streaming Redirector Format |
| File extension ASXML | XML Music Playlist |
| File extension ASY | LTspice IV Circuit Diagram Format |
| File extension ASZ | LoseThos Assembly Source |
| File extension AS_ | Winhelp Compressed |
| File extension AT3 | Airport Tycoon 3 Saved Game |
| File extension AT5 | Lowrance Chart Format |
| File extension AT65 | Adobe PageMaker For Mac |
| File extension ATA | Antenna Project |
| File extension ATAHD | Puppy Linux ATA Hard Drive Flag Format |
| File extension ATAK | Soundscape Audio-Take |
| File extension ATB | AnetHelp Tools |
| File extension ATC | AutoCAD Catalog Format |
| File extension ATD | Microsoft Systems Management Server |
| File extension ATE | Microsoft Office Accounting Compressed Backup Format |
| File extension ATF | Adobe Photoshop Transfer Function Format |
| File extension ATH | Alphacam Lathe Thread Format |
| File extension ATHEME | Amazing Clock Theme |
| File extension ATI | Microsoft Office Accounting Updated Company Format |
| File extension ATK | Andrew Toolkit Raster Object |
| File extension ATL | Artlantis 3D Scene Format |
| File extension ATLAS | Stronghold 3 Editor |
| File extension ATLG | SlimBrowser Auto Login |
| File extension ATLOC | Apple Mac OS X Finder |
| File extension ATM | Vue 3D Environment Format |
| File extension ATMC | Adobe Type Manager |
| File extension ATMN | Automation Anywhere Macro |
| File extension ATMSPHR | TerraGen Latmoshpere Andscape Render |
| File extension ATN | Adobe Photoshop Actions Settings Format |
| File extension ATO | ATO Modeler Project |
| File extension ATOM | Atom Web Feed Format |
| File extension ATOMS | Ribbons Atoms |
| File extension ATP | Alphacam Lathe Post |
| File extension ATPZ | Automise Compressed Project |
| File extension ATR | Atari 8-bit Disk Image |
| File extension ATRAC | Sony ATRAC Audio Format |
| File extension ATS | Advanced ETL Processor Transformation Script Format |
| File extension ATT | Web Form Data Format |
| File extension ATTR | Apple IPhoto Image Attributes |
| File extension ATTX | Cadence Atribut |
| File extension ATV | ACT! |
| File extension ATX | Animation Master Plugin Format |
| File extension ATY | Association Type Placeholder |
| File extension ATZ | Aston Compiled Theme |
| File extension ATZ3 | Automise |
| File extension AU | Unix Audio Sound File Format |
| File extension AU3 | AutoIt V3 Script Format |
| File extension AU? | LoseThos Autofile |
| File extension AUC | AUC Database |
| File extension AUD | Westwood Studios Audio Format |
| File extension AUDIBLEPREFS | Audible Preference |
| File extension AUDIONOTE | AudioNote |
| File extension AUF | Alphacam User Font |
| File extension AUG | Red Hat Linux Shellvars |
| File extension AUI | AGE3D UI Editor Color Table |
| File extension AUM | Adobe Update Manager Data |
| File extension AUP | Audacity Project Format |
| File extension AUPRESET | Apple Logic Studio Preset |
| File extension AUR | AutoREALM Map |
| File extension AURX | AutoREALM Project |
| File extension AUS | AutoREALM Symbols |
| File extension AUT | AutoIt Pre V3 Script Format |
| File extension AUTH | ShopSite Store Authorization |
| File extension AUTOCONF | Autoconfiguration |
| File extension AUTOMATICDESTINATIONS-MS | Microsoft Windows 7 Jump List Format |
| File extension AUTOPLAY | AutoPlay Media Studio Project Format |
| File extension AUTOREG | Mozilla Application Suite Auto Registration Clue |
| File extension AUX | TeX/LaTeX Auxiliary References Format |
| File extension AUZ | Ableton Authorization Format |
| File extension AV | Final Draft AV Document |
| File extension AVA | AvaaBook EBook |
| File extension AVASTCONFIG | Avast Configuration |
| File extension AVASTLIC | Avast! License Format |
| File extension AVASTSOUNDS | Avast! Soundpack Format |
| File extension AVATAR | Google Talk Avatar Format |
| File extension AVB | Avid Binary Image Format |
| File extension AVC | MPEG-4 AVC Advanced Video Coding Movie Format |
| File extension AVCHD | High Definition Video Format |
| File extension AVD | MAGIX Movie Edit Pro Video Data Format |
| File extension AVE | Avid User Format |
| File extension AVENIRPROJ | StoryMill Project Format |
| File extension AVERY | Avery Design & Print Online Label Format |
| File extension AVF | Video Information |
| File extension AVG | AVG Antivirus Virus Database |
| File extension AVGDX | AVG Diagnostic Format |
| File extension AVHD | Microsoft Hyper-V Differencing Disk Format |
| File extension AVI | Audio Video Interleave Movie Format |
| File extension AVJ | Avira Anti-Vir Job Format |
| File extension AVL | ArcView Legend Template Format |
| File extension AVM | AVG Incremental Persistent |
| File extension AVN | AltaVENTE Application User Notes |
| File extension AVP | Avid Project Format |
| File extension AVR | Audio Visual Research Sound Format |
| File extension AVS | Stardent AVS X Bitmap Image Format |
| File extension AVSI | Avisynth Script |
| File extension AVST | VirtualDub Template |
| File extension AVT | Savy Soda Avatar For IPhone Avatar |
| File extension AVV | Avid Media Composer Volume Bin Format |
| File extension AVW | AnalyzeAVW Image |
| File extension AVX | ArcView Extension Plugin Format |
| File extension AVZ | AviSys Backup |
| File extension AW | Answer Wizard Format |
| File extension AWA | ActiveWords |
| File extension AWB | Adaptive Multi-rate Wideband ACELP Codec Audio Format |
| File extension AWBS | Data Storage |
| File extension AWC | Emulex AWC Firmware Update Format |
| File extension AWCAV | ActiveWorlds Browser User Avatar Format |
| File extension AWD | Microsoft Fax Document |
| File extension AWDB | Microsoft Works For Mac Database Format |
| File extension AWE | Adobe Acrobat Bookmark XML |
| File extension AWF | Adobe WorkFlow Workgroup Plugin |
| File extension AWG | Activeworlds Object Group Format |
| File extension AWH | ActiveWorlds Browser Help |
| File extension AWI | AIM Widget Package |
| File extension AWK | AWK Programming Language Script Format |
| File extension AWKW | Awkwords Word Generator Format |
| File extension AWL | Ad-Aware Language |
| File extension AWLIVE | Active WebCam Live Capture Format |
| File extension AWM | Likno AllWebMenus Format |
| File extension AWP | Ability Write Document Template Format |
| File extension AWR | Ad-Aware Reference |
| File extension AWS | Ability Spreadsheet Spredsheet Format |
| File extension AWSHORTCUT | ActiveWords Shortcut |
| File extension AWSS | Microsoft Works For Mac Spreadsheet |
| File extension AWT | AbiWord Template Document Format |
| File extension AWW | Ability Write Document Format |
| File extension AWWP | Microsoft Works For Mac Document |
| File extension AWX | Microsoft DirectX |
| File extension AWZIP | ActiveWords Compressed Solution |
| File extension AX | DirectShow Filter Format |
| File extension AX3 | Apex Sketch |
| File extension AXA | Annodex Digital Media Format |
| File extension AXD | ASP.NET Web Handler Format |
| File extension AXE | Microsoft Autoroute Map Format |
| File extension AXF | ARM Executable Format |
| File extension AXG | Microsoft AutoRoute Trip |
| File extension AXL | XML Project |
| File extension AXM | Axmedis Object |
| File extension AXP | CDBurnerXP Audio Compilation Format |
| File extension AXQ | Edit Rocket Ada Editor |
| File extension AXR | ElcomSoft Adcanced Archive Password Recovery |
| File extension AXS | ActiveX Script |
| File extension AXT | Adobe Photoshop Replace Color Range Format |
| File extension AXV | Annodex Digital Media Format |
| File extension AXW | Analyzer StateForms |
| File extension AXX | AxCryot Encrypted Format |
| File extension AY | Project Format |
| File extension AZ | WinDVD Related |
| File extension AZ! | Vuze Partial Download Format |
| File extension AZA | QazaR Archive Compressed |
| File extension AZD | Amazon Software Download |
| File extension AZF | Secure Format |
| File extension AZP | Close Combat Effect |
| File extension AZS | Secure Format |
| File extension AZW | Amazon Kindle EBook Format |
| File extension AZW1 | Amazon Kindle Topaz E-book Format |
| File extension AZW2 | Amazon Kindle Program Format |
| File extension AZW3 | Amazon Kindle EBook Format |
| File extension AZW3F | Amazon Kindle Metadata |
| File extension AZW3R | Amazon Kindle Metadata |
| File extension AZW4 | Amazon Kindle Print Replica Ebook Format |
| File extension AZZ | AZZ Cardfile Information Card Format |
| File extension AZZX | Uncompressed AZZ Cardfile Data Format |
File extensions in alphabetical order: A
The list of file extensions, sorted alphabetically, beginning with the letter A