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A File Extensions

File Extension File Type Popularity
.ASFAdvanced Systems Format File
.AZWAmazon Kindle eBook File
.ACCDBAccess 2007 Database File
.APPMac OS X Application
.APKAndroid Package File
.AVIAudio Video Interleave File
.ASPXActive Server Page Extended File
.ASPActive Server Page
.AIFAudio Interchange File Format
.AIAdobe Illustrator File
.ASYAsymptote Module
.AS3PROJFlashDevelop ActionScript 3 Project File
.ARXAutoCAD Runtime Extension File
.AT3ATRAC3 Audio File
.ABMPhoto Album
.ATOMAtom Syndication Format
.AMXDAbleton Max Patch File
.ASActionScript File
.ASCPGP ASCII Armored File
.ADTACT! Document Template
.ABWAbiWord Document
.ADFESRI ArcInfo Binary Grid Format
.AHKAutoHotkey Script
.ANMEAnime Studio Document
.ASAXASP.NET Server Application File
.AZW1Amazon Topaz eBook
.A2LASAP2 ECU Description File
.AEPXAfter Effects XML Project
.AZW3Amazon KF8 eBook File
.ALZALZip Archive
.A2CAlice Object File
.ARCSymbian OS Backup File
.AQMAlpineQuest Map File
.ACDACID Project File
.AAAudible Audio Book File
.ACD-ZIPSony ACID Project With Embedded Media File
.AVASTLICAvast! License File
.ACROPLUGINAdobe Acrobat Plug-in
.ADCPAdobe Device Central Project File
.ASEAdobe Swatch Exchange File
.AUXLaTeX Auxiliary File
.AZW4Amazon Print Replica eBook
.ALSAbleton Live Set File
.AWAnswer Wizard File
.AOActionOutline Outline File
.ATTWeb Form Post Data File
.ALEAvid Log Exchange File
.APPLICATIONClickOnce Deployment Manifest File
.AAXPLUGINAvid Audio eXtension Plugin File
.ADPAccess Project
.ACMInterplay Audio File
.APPREF-MSMicrosoft Application Reference File
.ARWSony Digital Camera Image
.AMZAmazon MP3 Downloader File
.ACSMAdobe Content Server Message File
.AXDASP.NET Web Handler File
.AVPAvid Project File
.ALXActiveX Layout Control File
.ANIWindows Animated Cursor
.AVXArcView Extension File
.APEMonkey's Audio Lossless Audio File
.AMRAdaptive Multi-Rate Codec File
.A5WAlpha Five Webpage File
.ASCActionScript Communication File
.ACROBATSECURITYSETTINGSAdobe Acrobat Security Settings File
.ASDWord AutoSave File
.AMFAdditive Manufacturing File
.AFCMass Effect 2 Audio File
.AVSAviSynth Script File
.AFXAuto FX PhotoGraphic Edges Image
.AA3ATRAC Audio File
.ASMXASP.NET Web Service File
.ANYAnyRail Layout Plan
.ASECAndroid Secure Application File
.AUXAuxiliary File
.ACCDCMicrosoft Access Signed Package
.AETXAfter Effects XML Project Template
.ARGAutoCAD Profile
.AAFAdvanced Authoring Format File
.AGGRAdobe Captivate Aggregate File
.AVXAvid Plugin File
.ACCDRAccess Runtime Application
.ARSCAndroid Package Resource File
.ADTADTS Audio File
.A2THEMEAston 2 Theme File
.ADMXGroup Policy Administrative Template File
.ADTSAudio Data Transport Stream File
.AC3Audio Codec 3 File
.ACCDEAccess Execute Only Database
.ACPAlfresco Content Package
.ABFAnalysis Services Backup File
.AINSource Engine Compiled AI Nodegraph File
.AS2PROJFlashDevelop ActionScript 2 Project File
.ASCLTspice Circuit Schematic File
.ASYLTspice Symbol File
.APSVisual C++ Resource File
.AVSAvid Project Preferences File
.ACCDAAccess Add-in File
.ADTWorld of Warcraft Map File
.AGMDTS Multi-channel Pro Packer File
.ACVPhotoshop Curves File
.AWMAllWebMenus Project File
.ADIActive@ Disk Image Backup File
.ASMVisual Studio Assembler Source Code File
.ADDINVisual Studio Add-in Definition File
.AVATARGoogle Talk Avatar File
.ACBAdobe Photoshop Color Book File
.ABCActionScript Byte Code File
.ARCNorton Backup Archive
.APLMonkey's Audio Track Information File
.AXEAutoRoute Map File
.AM1Adventure Maker
.AT5Lowrance Map File
.APFAdobe Profile File
.AAMAuthorware Map File
.AEXAlpha Five Compiled Global Functions File
.AAOAmerica's Army Map File
.AITAdobe Illustrator Template
.ASNDAdobe Sound Document
.AZZAZZ Cardfile Database File
.ACCDTMicrosoft Access Database Template
.ATCAutoCAD Tool Catalog File
.AVCKaspersky Virus Database
.ASSAegisub Advanced Substation Alpha File
.ASWACDSee Slideshow Wizard File
.APDACDSee Photo Document
.AFDAlphacam Flame Drawing
.ASHDISCAshampoo Burning Studio Image
.ASHPRJAshampoo Burning Studio Project
.ASHBAKAshampoo Backup Archive
.ABKPRJAshampoo Backup Project
.ADFACT! Data File
.ATMVue Atmospheres File
.ACD-BAKMAGIX ACID Project Backup File
.ACOAdobe Photoshop Color Swatch File
.ACTAdobe Color Table File
.AHUAdobe Photoshop HSL File
.ALVAdobe Photoshop Levels File
.AXTAdobe Photoshop Extract File
.AWDBAccess Walker Database File
.AEAAdWords Editor Archive
.AGE3SCNAge of Empires 3 Scenario File
.AIAAdobe Illustrator Action File
.ALFACT! Lookup File
.APPXWindows 8 App Package
.A2IAdlib Tracker II Instrument File
.A2BAdlib Tracker II Instrument Bank
.ATFAlternativa Texture File
.AVHDXAutomatic Virtual Hard Drive File
.ASVFinale Auto-save File
.ASVXFinale Auto-save File
.ASEFAdobe Swatch Exchange File
.ASPAdobe Color Separation Setup File
.ANHProject ROME File
.AVBMicrosoft Comic Chat Character
.ARCHIVERArchiver Compressed File Archive
.ASIGrand Theft Auto Mod Library
.APLIBRARYAperture Library
.ASVFAsphyre Sphinx Archive File
.APPXUPLOADWindows 8 App Upload Package
.ACCOUNTPICTURE-MSWindows 8 Account Picture File
.ARTBArtboard Document
.AAUIAcrobat User Interface File
.AEPKEYAdvanced Encryption Package Key File
.AEPAdvanced Encryption Package Encrypted File
.AMMAll My Movies Database File
.AMBAll My Books Database File
.ACGAudio Comparer Group File
.ACRAudio Comparer Results File
.AVCHDHigh Definition Video File
.AGE3XSAVAge of Empires 3: The WarChiefs Save File
.AGE3YSAVAge of Empires 3: The Asian Dynasties Save File
.AGE3RECAge of Empires 3 Recording
.AN8Vector NTI DNA File
.ARIA2aria2 Control File
.AFIAOMEI Backupper File Backup File
.ARTICLETwixl Publisher Article
.ADOCAsciiDoc File
.AIPAdvanced Installer Project
.ACAC3D 3D File
.ALBUMGLC_Player Album File
.ARNAutoruns Data File
.AWBRWriteOnline WordBar File
.ADDISMAddism Data File
.AIDLAndroid Interface Definition Language File
.ACFX-Plane Aircraft File
.AIAMIT App Inventor Source Code File
.AGE3XRECAge of Empires 3: The WarChiefs Recording
.AGE3YRECAge of Empires 3: The Asian Dynasties Recording
.ASRAudio Streaming Resource Archive
.APPCACHEHTML5 Cache Manifest File
.ACZAppCraft Project
.A7PAuthorware 7 Project
.A7RAuthorware 7 Runtime File
.ANGAnghami Audio File
.APArtPro File
.AFDESIGNAffinity Design Document
.ACWWAnimal Crossing Wild World Pattern File
.ALDFAldfaer Genealogy File
.AESAES Crypt Encrypted File
.APNXAmazon Page Number Index File
.AWSAbility Spreadsheet File
.APXAbility Photopaint Studio Image
.ANIMSETFaceFX Animation Set File
.ATFAxon Text File
.ATHAlienware AlienFX Theme File
.A3DAlternativa Player 3D Export File
.AVERYAvery Design & Print Label File
.ABAndroid ADB Backup File
.ARPAudition Replay File
.AMCAMC Video File
.ADPPAdobe Device Profile Package
.AWWAbility Write Document
.ACFSteam Application Cache File
.ATSAdvanced ETL Transformation Script
.AUTOPLAYAutoPlay Media Studio Project File
.ANIMMaya Animation File
.ANIMUnity Animation File
.AVGDXAVG Diagnostics File
.ANXHotDocs Answer File
.AFFAFF Disk Image
.ALPAbleton Live Pack File
.ASDAbleton Live Sample Analysis File
.ALCAbleton Live Clip File
.AUZAbleton Authorization File
.AVPAntiVir Profile
.ADVSAdobe Device Central Device Set
.APPUPErlang Application Upgrade File
.AMLACPI Machine Language File
.AOFArtlantis Object File
.ATLArtlantis 3D Scene File
.ACORNAcorn Image
.ARFFAttribute-Relation File Format
.ATXArcGIS Attribute Index File
.AVHDHyper-V SnapShot File
.AVVAvid Volume Bin File
.ANEAdobe AIR Native Extension
.APPDOWNLOADMac App Store Partially Downloaded App
.ACTAlma CAD/CAM Document
.ANAdobe Edge Animate Project File
.AGRAbleton Groove File
.AECCinema 4D After Effects Composition
.ACCFTMicrosoft Access Data Type Template
.AOIArt of Illusion 3D Scene
.ARTArtCAM Model
.ARCUTPrelude Rough Cut File
.ARSAfter Effects Render Settings File
.AOMAfter Effects Output Module
.A4PA4Desk Pro Project File
.APLGAudials Plug-in
.APLPAudials Plug-in Package
.AP_ADT Android Developer Package
.ADVNortek Acoustic Doppler Velocimeter File
.AZW2Kindle Active Content App File
.ABYAOL Address Book File
.ASMSolid Edge Assembly File
.ACCGraphics Accounts Data File
.APNGAnimated Portable Network Graphic
.AIRAdobe AIR Installation Package
.ACTIONAutomator Action
.AFTAncestry.com Family Tree Database
.AStatic Library
.ADGAbleton Device Group
.AFPLOCApple Filing Protocol Location
.ABPAVS Barcode Profile
.APARSView Development Project Archive
.ARDArtiosCAD Workspace File
.APPFoxPro Generated Application
.ASTAdobe Color Separations Table
.AJPCCTV Video File
.AROSteelArrow Web Application File
.ABCABC Music Notation
.A2MAdlib Tracker II File
.AWDMicrosoft Fax Document
.AXDirectShow Filter
.AIFSymbian Application Information File
.AM6AutoPlay Media Studio 6 Project
.AM7AutoPlay Media Studio 7 Project
.APZAutoplay Media Studio Exported Project
.AMXAdobe Motion Exchange File
.AMXAMX Mod Plugin File
.AMXXAMX Mod X Plugin File
.ASLPhotoshop Style
.ATNPhotoshop Actions File
.AOBDVD-Audio Audio Object File
.ARRAdvanced RAR Password Recovery Project
.AODDynamics AX Object Data File
.AWKAWK Script
.AC$AutoCAD Temporary File
.AM4AutoPlay Media Studio 4 Project File
.ASKaskSam Database
.AM5AutoPlay Media Studio 5 Project File
.ALDDynamics AX Application Label Data File
.ALIDynamics AX Label Index File
.ADDDynamics AX Developer Documentation File
.AHDDynamics AX Online Help Data File
.AHIDynamics AX Online Help Index File
.A2WAlice World
.AU3AutoIt v3 Script
.A6PAuthorware 6 Program
.AMVAnime Music Video File
.AWGActiveworlds Object Group File
.AHLeMule Metadata File
.AMSVelvet Studio Module
.AB1DNA Electropherogram File
.AMSExtreme Tracker Module
.ABIDNA Chromatogram File
.AMSAdobe Monitor Setup File
.AB3PhotoImpact 3 Album File
.ACLAutoCorrect List File
.AMFMAdobe Multiple Font Metrics File
.ACFMAdobe Composite Font Metrics File
.AFPFileProtector Encrypted File
.ASAASP Configuration File
.ACAutoconf Script
.AVBAvid Bin File
.AEPAfter Effects Project
.AGE3SAVAge of Empires 3 Save File
.ARUnix Static Library
.AKPAkai Sampler File
.AIFBAIF Builder Project File
.ASCXASP.NET User Control File
.ABBUAddress Book Backup
.ADSAda Specification File
.ADMAdministrative Template File
.ADXApproach Index File
.APActive Page
.AUDVideo Game Compressed Audio File
.ARCH00F.E.A.R. Game Archive
.AUPAudacity Project File
.ACTADPCM Compressed Audio File
.APPSymbian OS Application
.AHSAdobe Halftone Screen File
.ACRACRobot Script
.AGIAsterisk Gateway Interface File
.AGPArtGem Project File
.APPLESCRIPTAppleScript File
.ANM3D Animation File
.AFPAdvanced Function Presentation File
.ACDRSLogix 5000 Program
.ASEAutodesk ASCII Scene Export File
.ABCDAudioVisual Book Data File
.ADZCompressed Amiga Disk File
.ANSANSI Text File
.ASMAssembly Language Source Code File
.ASIAlpha Five Variable File
.ADBAlpha Five Database File
.ASRActionScript Remote Document
.AAXAudible Enhanced Audiobook File
.ARTPROJArtifacts Project
.AVSAVS Preset File
.ARTAOL Compressed Image File
.APEAVS Plugin Effects File
.ABRAdobe Photoshop Brushes File
.AIPIllustrator Plug-in
.ADFAmiga Disk File
.ALBAlpha Five Library
.AMSORMOnLine Ringman Auction Client File
.AMFAdvanced Module File
.ACEWinAce Compressed File
.ASXMicrosoft ASF Redirector File
.ADROpera Bookmarks File
.ABMMusic Album
.ABKAutomatic Backup File
.AXXAxCrypt Encrypted File
.AIFFAudio Interchange File Format
.ALXBlackBerry Application Loader XML File
.ASHXASP.NET Web Handler File
.AAWDEFAd-Aware Definitions File
.ALTDynamics AX Temporary File
.AGIFActive GIF Creator Project
.APRArcView Project File
.AVLArcView Legend File
.ADEAccess Project Extension
.AUAudio File
.ACSAgent Character File
.AIFCCompressed Audio Interchange File
.A2MTS-AudioToMIDI Settings File
.AACAdvanced Audio Coding File
.ARCCompressed File Archive
.ARFWebEx Advanced Recording File
.ATZAston Compiled Theme
.ABAPalm Address Book Archive
.AN8Anim8or File
.AANPro Tools Elastic Audio Analysis File
.AISVelvet Studio Instrument
.AFMAdobe Font Metrics File
.AUTOSAVEFusion Auto-save File
.ADAfter Dark Screensaver
.APALBUMAperture Album File
.AC5ArtCut 5 Document
.AVCAvid Media Composer Script
.ARTArt Document
.ASSETPROJCamtasia Studio Asset Information File
.AIMPPLAIMP Playlist File
.AZZXUncompressed AZZ Cardfile Data File
.ADIAOMEI Backupper Disk Backup File
.AC6ArtCut 6 Document
.AIPActual Installer Project
.AFFSpellcheck Dictionary Description File
.ABCDPAddress Book CoreData Person File
.ALLCubasis Project File
.ASKAbleton Live Skin File
.AFZPLUGAfterShot Pro Plugin Archive
.AECACHEAfter Effects Cache File
.ADNAccess Blank Project Template
.ACIDACID Encrypted File
.ASCSActionScript Communication Server File
.ARCAfrican Safari Data File
.ASAngelScript File
.APPEXOS X Application and System Extension File
.ADXADX Audio File
.ACCDUAccess Add-in File
.AMCAnt Movie Catalog File
.ACBAOL Cab Launcher
.A65Authorware 6.5 File
.ARJARJ Compressed File Archive
.AAESidecar Image Format File
.A5WAuthorware 5 Windows File
.ALIRoboHelp Alias File
.ARAArchivaldo Resource Archive
.ADMPortfolio Admin-Level Access Flag
.A1WISHAudials Wishlist File
.ANTISPAM5Personal AntiSpam Settings File
.ABUAsus App Backup File
.AUAudacity Audio File
.A5LAuthorware 5 Library
.ASEVelvet Studio Sample
.ALXAlpha Five Library Index File
.AZSAirZip FileSECURE File
.AHXWinAHX Tracker Module
.ABXWordPerfect Address Book
.AGXAGT Game File
.ATTRiPhoto Attributes File
.ABTAnnotated Braille Text File
.ASDBAsphyre Sphinx Archive File
.ALAWA-Law Compressed Sound Format
.AGLIBAdobe Photoshop Lightroom Library
.ALPAnyLogic Project File
.AWLIVEActive Webcam Video File
.AGMODULEPhotoshop Lightroom Module
.ARTBERNINA Embroidery File
.AZFAirZip FileSECURE File
.A2PAdlib Tracker II Pattern File
.ASSSplinter Cell Blacklist Game Data File
.ANTMPLAdobe Edge Animate Template File
.ALMAlpha Five Library
.ADBLOCKAlpha Five Library Temporary File
.A5WCMPAlpha Five Web Components File
.APIAcrobat Plug-in
.A2WAdlib Tracker II Instrument Bank with Macros
.ADBNow Contact Address Book Template
.AMLAbstract Markup Language
.ABCDDBApple Address Book Contact List
.AXTMicrosoft AutoRoute Template
.AGGBulk Data File
.A2TAdlib Tracker II Tiny Module File
.ASSTRMSplinter Cell Blacklist Game Data File
.APTAlmost Plain Text File
.A7LAuthorware 7 Library
.ADAAda Source Code
.A7DAuthorware 7 Model
.APPXSYMWindows 8 App Package Symbols File
.ATYAssociation Type Placeholder
.APKGExported Anki Flashcard Deck
.ANXAnnodex Exchange Format File
.AXAAnnodex Audio File
.AXVAnnodex Video File
.ABKNeed for Speed Underground Audio File
.ANSYMAdobe Edge Animate Library File
.ABFAdobe Binary Screen Font File
.A3XCompiled AutoIt v3 Script
.ANNHelp Annotations
.ADADOWNLOADAdobe Download Assistant Partial Download File
.APXLKeynote Presentation Data File
.AGTEMPLATEAdobe Photoshop Lightroom Template
.AGTOOLKITAdobe Photoshop Lightroom Toolkit
.ASXAlpha Five Library Temporary Index File
.ACS2AIMP Skin File
.ACS3AIMP Skin File
.ABCABC Source File
.ABSTurboZIP Auto Compress Script
.ABSAbsolute Database File
.AESooVoo Log File
.ANNLingvo Dictionary Annotation File
.ACTFoxPro Documenting Wizard Action Diagram
.APPLETEclipse Java Applet Policy File
.AIUAdvanced Installer Updates Configuration File
.AMBAIMMS Model File
.AWTAbiWord Template
.AMLMicrosoft Assistance Markup Language File
.ABDATAAdobe Bridge Data File
.ARPAdvanced RAR Password Recovery Setup
.ACBLAdobe Color Book Legacy File
.AVSAdobe Photoshop Variations File
.ASVAdobe Photoshop Selective Color File

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