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A File Extensions

File Extension File Type Popularity
.APPMac OS X Application
.ACCDBAccess 2007 Database File
.APKAndroid Package File
.AZWAmazon Kindle eBook File
.AVIAudio Video Interleave File
.ASPXActive Server Page Extended File
.ASPActive Server Page
.AIAdobe Illustrator File
.ASFAdvanced Systems Format File
.AIFAudio Interchange File Format
.ARXAutoCAD Runtime Extension File
.AVPAvid Project File
.ALEAvid Log Exchange File
.AXDASP.NET Web Handler File
.ACSMAdobe Content Server Message File
.ACMInterplay Audio File
.AAXPLUGINAvid Audio eXtension Plugin File
.ATOMAtom Syndication Format
.AWAnswer Wizard File
.ARWSony Digital Camera Image
.AFXAuto FX PhotoGraphic Edges Image
.AZW4Amazon Print Replica eBook
.AZW3Amazon KF8 eBook File
.APPLICATIONClickOnce Deployment Manifest File
.ACROBATSECURITYSETTINGSAdobe Acrobat Security Settings File
.ATTWeb Form Post Data File
.AVXArcView Extension File
.AUXLaTeX Auxiliary File
.AZW1Amazon Topaz eBook
.AEPXAfter Effects XML Project
.APPREF-MSMicrosoft Application Reference File
.ASYAsymptote Module
.AS3PROJFlashDevelop ActionScript 3 Project File
.ACDACID Project File
.ASAXASP.NET Server Application File
.AT3ATRAC3 Audio File
.ASCPGP ASCII Armored File
.ALZALZip Archive
.ASCActionScript Communication File
.A2LASAP2 ECU Description File
.ADFESRI ArcInfo Binary Grid Format
.AFCMass Effect 2 Audio File
.AQMAlpineQuest Map File
.ARCSymbian OS Backup File
.AVASTLICAvast! License File
.AMRAdaptive Multi-Rate Codec File
.AMXDAbleton Max Patch File
.ABMPhoto Album
.ADPAccess Project
.ASEAdobe Swatch Exchange File
.AHKAutoHotkey Script
.ASDWord AutoSave File
.ACD-ZIPSony ACID Project With Embedded Media File
.AA3ATRAC Audio File
.AMFAdditive Manufacturing File
.ALXActiveX Layout Control File
.ADCPAdobe Device Central Project File
.ACROPLUGINAdobe Acrobat Plug-in
.A2CAlice Object File
.AAAudible Audio Book File
.ADTACT! Document Template
.ANIWindows Animated Cursor
.AMZAmazon MP3 Downloader File
.ABWAbiWord Document
.ASMXASP.NET Web Service File
.APEMonkey's Audio Lossless Audio File
.ASActionScript File
.AOActionOutline Outline File
.A5WAlpha Five Webpage File
.ALSAbleton Live Set File
.ANMEAnime Studio Document
.AVSAviSynth Script File
.ACBAdobe Photoshop Color Book File
.AXTAdobe Photoshop Extract File
.APPDOWNLOADMac App Store Partially Downloaded App
.AAUIAcrobat User Interface File
.ADDINVisual Studio Add-in Definition File
.ADIActive@ Disk Image Backup File
.ASMVisual Studio Assembler Source Code File
.ACTAlma CAD/CAM Document
.ANAdobe Edge Animate Project File
.AVATARGoogle Talk Avatar File
.ACTAdobe Color Table File
.AZW2Kindle Active Content App File
.AVCKaspersky Virus Database
.AHUAdobe Photoshop HSL File
.APPXWindows 8 App Package
.ATCAutoCAD Tool Catalog File
.ALVAdobe Photoshop Levels File
.APPXUPLOADWindows 8 App Upload Package
.ACCDTMicrosoft Access Database Template
.ARCNorton Backup Archive
.ABCActionScript Byte Code File
.AESAES Crypt Encrypted File
.ARTBArtboard Document
.ACCOUNTPICTURE-MSWindows 8 Account Picture File
.ACOAdobe Photoshop Color Swatch File
.AEPKEYAdvanced Encryption Package Key File
.AEPAdvanced Encryption Package Encrypted File
.AXEAutoRoute Map File
.AGMDTS Multi-channel Pro Packer File
.AEAAdWords Editor Archive
.ABYAOL Address Book File
.A2IAdlib Tracker II Instrument File
.ABAPalm Address Book Archive
.A2BAdlib Tracker II Instrument Bank
.ALXBlackBerry Application Loader XML File
.ATFAlternativa Texture File
.ASIAlpha Five Variable File
.ADBAlpha Five Database File
.ALBAlpha Five Library
.AMSORMOnLine Ringman Auction Client File
.ACGAudio Comparer Group File
.ASVFinale Auto-save File
.ASVXFinale Auto-save File
.AM1Adventure Maker
.AT5Lowrance Map File
.ASIGrand Theft Auto Mod Library
.ACVPhotoshop Curves File
.APLMonkey's Audio Track Information File
.AMMAll My Movies Database File
.AMBAll My Books Database File
.AAMAuthorware Map File
.ACRAudio Comparer Results File
.AZZAZZ Cardfile Database File
.ASNDAdobe Sound Document
.AITAdobe Illustrator Template
.AVCHDHigh Definition Video File
.AAOAmerica's Army Map File
.AEXAlpha Five Compiled Global Functions File
.ASVFAsphyre Sphinx Archive File
.ASEFAdobe Swatch Exchange File
.APLIBRARYAperture Library
.APFAdobe Profile File
.ARTPROJArtifacts Project
.AWDBAccess Walker Database File
.APLPAudials Plug-in Package
.ARSAfter Effects Render Settings File
.AUTOPLAYAutoPlay Media Studio Project File
.ARCUTPrelude Rough Cut File
.ARIARRIRAW Image
.ANIMMaya Animation File
.ARTArtCAM Model
.ANIMUnity Animation File
.AOIArt of Illusion 3D Scene
.AMLACPI Machine Language File
.APNXAmazon Page Number Index File
.ASECAndroid Secure Application File
.AOMAfter Effects Output Module
.ACCDEAccess Execute Only Database
.ACCDRAccess Runtime Application
.ACCDAAccess Add-in File
.ACCDCMicrosoft Access Signed Package
.APLGAudials Plug-in
.A2THEMEAston 2 Theme File
.A4PA4Desk Pro Project File
.AVSAvid Project Preferences File
.AVXAvid Plugin File
.AVGDXAVG Diagnostics File
.ANXHotDocs Answer File
.ACFSteam Application Cache File
.AWWAbility Write Document
.ABAndroid ADB Backup File
.AVERYAvery Design & Print Label File
.A3DAlternativa Player 3D Export File
.AWSAbility Spreadsheet File
.APXAbility Photopaint Studio Image
.ATHAlienware AlienFX Theme File
.ATFAxon Text File
.ARPAudition Replay File
.ATSAdvanced ETL Transformation Script
.AMCAMC Video File
.AFFAFF Disk Image
.APPUPErlang Application Upgrade File
.ALPAbleton Live Pack File
.ASDAbleton Live Sample Analysis File
.ADVSAdobe Device Central Device Set
.ALCAbleton Live Clip File
.AUZAbleton Authorization File
.AVPAntiVir Profile
.ADPPAdobe Device Profile Package
.ANIMSETFaceFX Animation Set File
.AP_ADT Android Developer Package
.ANEAdobe AIR Native Extension
.ASHDISCAshampoo Burning Studio Image
.ASHPRJAshampoo Burning Studio Project
.ASHBAKAshampoo Backup Archive
.ABKPRJAshampoo Backup Project
.ADFACT! Data File
.ALFACT! Lookup File
.ADTWorld of Warcraft Map File
.ARFFAttribute-Relation File Format
.ACORNAcorn Image
.ATXArcGIS Attribute Index File
.AFDAlphacam Flame Drawing
.APDACDSee Photo Document
.AGE3SCNAge of Empires 3 Scenario File
.AIAAdobe Illustrator Action File
.AWMAllWebMenus Project File
.ACD-BAKMAGIX ACID Project Backup File
.AVVAvid Volume Bin File
.AVHDHyper-V SnapShot File
.ATMVue Atmospheres File
.ASSAegisub Advanced Substation Alpha File
.ASWACDSee Slideshow Wizard File
.ANYAnyRail Layout Plan
.ARGAutoCAD Profile
.ASCLTspice Circuit Schematic File
.AS2PROJFlashDevelop ActionScript 2 Project File
.AINSource Engine Compiled AI Nodegraph File
.ABFAnalysis Services Backup File
.ACPAlfresco Content Package
.ADVNortek Acoustic Doppler Velocimeter File
.AC3Audio Codec 3 File
.ADTSAudio Data Transport Stream File
.ADTADTS Audio File
.ASYLTspice Symbol File
.ACCFTMicrosoft Access Data Type Template
.AECCinema 4D After Effects Composition
.ATLArtlantis 3D Scene File
.AOFArtlantis Object File
.AETXAfter Effects XML Project Template
.AGGRAdobe Captivate Aggregate File
.ADMXGroup Policy Administrative Template File
.AAFAdvanced Authoring Format File
.AUXAuxiliary File
.APSVisual C++ Resource File
.AGRAbleton Groove File
.ARSCAndroid Package Resource File
.AIFBAIF Builder Project File
.AB3PhotoImpact 3 Album File
.ARUnix Static Library
.AGE3SAVAge of Empires 3 Save File
.ASAASP Configuration File
.ACFMAdobe Composite Font Metrics File
.AMFMAdobe Multiple Font Metrics File
.AHLeMule Metadata File
.AU3AutoIt v3 Script
.AFPFileProtector Encrypted File
.ACAutoconf Script
.ANGAnghami Audio File
.A6PAuthorware 6 Program
.AN8Vector NTI DNA File
.AKPAkai Sampler File
.AMSAdobe Monitor Setup File
.AMSExtreme Tracker Module
.AMSVelvet Studio Module
.AIDLAndroid Interface Definition Language File
.ACFX-Plane Aircraft File
.AIAMIT App Inventor Source Code File
.ACWWAnimal Crossing Wild World Pattern File
.APArtPro File
.AVBAvid Bin File
.AEPAfter Effects Project
.A7RAuthorware 7 Runtime File
.AFPAdvanced Function Presentation File
.ACDRSLogix 5000 Program
.ACZAppCraft Project
.ASEAutodesk ASCII Scene Export File
.ABCDAudioVisual Book Data File
.AHSAdobe Halftone Screen File
.ADSAda Specification File
.APActive Page
.ARCH00F.E.A.R. Game Archive
.AUPAudacity Project File
.ANM3D Animation File
.APPLESCRIPTAppleScript File
.ACLAutoCorrect List File
.AMVAnime Music Video File
.AWGActiveworlds Object Group File
.AB1DNA Electropherogram File
.ABIDNA Chromatogram File
.AFDESIGNAffinity Design Document
.A7PAuthorware 7 Project
.ACRACRobot Script
.AGIAsterisk Gateway Interface File
.AGPArtGem Project File
.ADZCompressed Amiga Disk File
.ARCCompressed File Archive
.ASMAssembly Language Source Code File
.ADFAmiga Disk File
.ASXMicrosoft ASF Redirector File
.ADROpera Bookmarks File
.ABKAutomatic Backup File
.ARNAutoruns Data File
.AXXAxCrypt Encrypted File
.AIPIllustrator Plug-in
.ALBUMGLC_Player Album File
.ACAC3D 3D File
.ASCASCII Text File
.ADDISMAddism Data File
.AIFFAudio Interchange File Format
.ACEWinAce Compressed File
.ARDUBOYArduboy Game Package
.AVHDXAutomatic Virtual Hard Drive File
.ANSANSI Text File
.ARTAOL Compressed Image File
.AUAudio File
.AIFCCompressed Audio Interchange File
.ALDFAldfaer Genealogy File
.ADEAccess Project Extension
.A2WAlice World
.ATNPhotoshop Actions File
.ASLPhotoshop Style
.ACTADPCM Compressed Audio File
.ADOCAsciiDoc File
.AUDVideo Game Compressed Audio File
.ARTICLETwixl Publisher Article
.ADXApproach Index File
.ADMAdministrative Template File
.ABBUAddress Book Backup
.APPSymbian OS Application
.AFIAOMEI Backupper File Backup File
.ARIA2aria2 Control File
.ASMSolid Edge Assembly File
.APPFoxPro Generated Application
.AWKAWK Script
.ASKaskSam Database
.AStatic Library
.AFTAncestry.com Family Tree Database
.AXDirectShow Filter
.AWDMicrosoft Fax Document
.ABCABC Music Notation
.AACAdvanced Audio Coding File
.AJPCCTV Video File
.AIPAdvanced Installer Project
.ASCXASP.NET User Control File
.AVSAVS Preset File
.AGE3XSAVAge of Empires 3: The WarChiefs Save File
.AHDDynamics AX Online Help Data File
.ALTDynamics AX Temporary File
.AODDynamics AX Object Data File
.APZAutoplay Media Studio Exported Project
.AMXAdobe Motion Exchange File
.AMXAMX Mod Plugin File
.ABMMusic Album
.ADDDynamics AX Developer Documentation File
.AMXXAMX Mod X Plugin File
.AM4AutoPlay Media Studio 4 Project File
.AM5AutoPlay Media Studio 5 Project File
.ALDDynamics AX Application Label Data File
.AGE3YSAVAge of Empires 3: The Asian Dynasties Save File
.ASPAdobe Color Separation Setup File
.ALIDynamics AX Label Index File
.AHIDynamics AX Online Help Index File
.AMFAdvanced Module File
.AOBDVD-Audio Audio Object File
.AXMAXMEDIS Object
.ATZAston Compiled Theme
.AN8Anim8or File
.AWBRWriteOnline WordBar File
.ARFWebEx Advanced Recording File
.ASHXASP.NET Web Handler File
.ASRActionScript Remote Document
.APEAVS Plugin Effects File
.AAXAudible Enhanced Audiobook File
.AAWDEFAd-Aware Definitions File
.ABRAdobe Photoshop Brushes File
.ARRAdvanced RAR Password Recovery Project
.ANHProject ROME File
.ARCHIVERArchiver Compressed File Archive
.AVBMicrosoft Comic Chat Character
.ACSAgent Character File
.AVLArcView Legend File
.APRArcView Project File
.AGIFActive GIF Creator Project
.AC$AutoCAD Temporary File
.AGE3RECAge of Empires 3 Recording
.AIRAdobe AIR Installation Package
.AGE3YRECAge of Empires 3: The Asian Dynasties Recording
.APNGAnimated Portable Network Graphic
.ACCGraphics Accounts Data File
.AGE3XRECAge of Empires 3: The WarChiefs Recording
.APARSView Development Project Archive
.ARDArtiosCAD Workspace File
.AIMAIMMS ASCII Model File
.A2MTS-AudioToMIDI Settings File
.A2MAdlib Tracker II File
.AROSteelArrow Web Application File
.ASRAudio Streaming Resource Archive
.APPCACHEHTML5 Cache Manifest File
.ASTAdobe Color Separations Table
.ACTIONAutomator Action
.ADGAbleton Device Group
.ABPAVS Barcode Profile
.AFPLOCApple Filing Protocol Location
.AIFSymbian Application Information File
.AM6AutoPlay Media Studio 6 Project
.AM7AutoPlay Media Studio 7 Project
.A2WAdlib Tracker II Instrument Bank with Macros
.AMCAnt Movie Catalog File
.ADBLOCKAlpha Five Library Temporary File
.ASAngelScript File
.ASXAlpha Five Library Temporary Index File
.ASSETSUnity Asset File
.ALXAlpha Five Library Index File
.A2PAdlib Tracker II Pattern File
.A2TAdlib Tracker II Tiny Module File
.ANTISPAM5Personal AntiSpam Settings File
.ANIMSET_INGAMEFaceFX In-Game Animation Set File
.AMLAbstract Markup Language
.AUTOMATICDESTINATIONS-MSWindows Jump List File
.AAESidecar Image Format File
.ALMAlpha Five Library
.A5WCMPAlpha Five Web Components File
.ADBNow Contact Address Book Template
.AZSAirZip FileSECURE File
.ADXADX Audio File
.AZ!Vuze Partial Download File
.ASSSplinter Cell Blacklist Game Data File
.AGGBulk Data File
.AGXAGT Game File
.ABXWordPerfect Address Book
.AFZPLUGAfterShot Pro Plugin Archive
.AMLArc Macro Language File
.ABUAsus App Backup File
.ABCDDBApple Address Book Contact List
.AECACHEAfter Effects Cache File
.ACCDUAccess Add-in File
.ADNAccess Blank Project Template
.ASHAudiosurf Audio Metadata File
.ABTAnnotated Braille Text File
.APPEXOS X Application and System Extension File
.ASCSActionScript Communication Server File
.ACIDACID Encrypted File
.ANTMPLAdobe Edge Animate Template File
.AVASTSOUNDSAvast! Soundpack File
.ACS2AIMP Skin File
.A7LAuthorware 7 Library
.ABSAbsolute Database File
.ABSTurboZIP Auto Compress Script
.ACS3AIMP Skin File
.ASSTRMSplinter Cell Blacklist Game Data File
.A7DAuthorware 7 Model
.APXLKeynote Presentation Data File
.APTAlmost Plain Text File
.APKGExported Anki Flashcard Deck
.AZZXUncompressed AZZ Cardfile Data File
.APPLETEclipse Java Applet Policy File
.ADADOWNLOADAdobe Download Assistant Partial Download File
.AESooVoo Log File
.APPXSYMWindows 8 App Package Symbols File
.ANSYMAdobe Edge Animate Library File
.ANNLingvo Dictionary Annotation File
.AIUAdvanced Installer Updates Configuration File
.AGTOOLKITAdobe Photoshop Lightroom Toolkit
.AGTEMPLATEAdobe Photoshop Lightroom Template
.APALBUMAperture Album File
.AIMPPLAIMP Playlist File
.ANXAnnodex Exchange Format File
.AXAAnnodex Audio File
.ASKAbleton Live Skin File
.AGLIBAdobe Photoshop Lightroom Library
.ASSETPROJCamtasia Studio Asset Information File
.A1WISHAudials Wishlist File
.AIPActual Installer Project
.AFFSpellcheck Dictionary Description File
.AUAudacity Audio File
.AZFAirZip FileSECURE File
.ABCDPAddress Book CoreData Person File
.AANPro Tools Elastic Audio Analysis File
.ATTRiPhoto Attributes File
.ARTBERNINA Embroidery File
.ASDBAsphyre Sphinx Archive File
.AXVAnnodex Video File
.AVCAvid Media Composer Script
.A3XCompiled AutoIt v3 Script
.AWLIVEActive Webcam Video File
.ALIRoboHelp Alias File
.ALPAnyLogic Project File
.AGMODULEPhotoshop Lightroom Module
.ADIAOMEI Backupper Disk Backup File
.ARAArchivaldo Resource Archive
.AUTOSAVEFusion Auto-save File
.AWSAutoCAD Work Space File
.ASMPro/ENGINEER Assembly File
.AC5ArtCut 5 Document
.ABKArena Opening Book File
.ARHProTool Compressed Project File
.AC6ArtCut 6 Document
.AAOAgenda At Once File
.ALLCubasis Project File
.AS4askSam Backup File
.AISVelvet Studio Instrument
.APFSony Ericsson Firmware Acoustics File
.AB2Print Shop Address Book File
.ASEVelvet Studio Sample
.ADMPortfolio Admin-Level Access Flag
.AUTAutoIt Script File
.ABAAvant Browser Add-on File
.APMAldus Placeable Metafile Image
.AOSARCHOS PCtablet Firmware File
.AXPCDBurnerXP Audio Compilation File
.ABKNeed for Speed Underground Audio File
.ACTMAutoCAD Action Macro File
.ACCDWMicrosoft Access Database Link File
.AXTMicrosoft AutoRoute Template
.AHXWinAHX Tracker Module
.AVENIRPROJStoryMill Project
.ACTXDS Game Maker Action Description File

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