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A File Extensions

File Extension File Type Popularity
.AIAdobe Illustrator File
.AIFAudio Interchange File Format
.ASFAdvanced Systems Format File
.ASPActive Server Page
.ASPXActive Server Page Extended File
.AVIAudio Video Interleave File
.APPMac OS X Application
.APKAndroid Package File
.AZWAmazon Kindle eBook File
.ACCDBAccess 2007 Database File
.ASMXASP.NET Web Service File
.ADFESRI ArcInfo Binary Grid Format
.ADPAccess Project
.ANIWindows Animated Cursor
.AVSAviSynth Script File
.AMRAdaptive Multi-Rate Codec File
.APEMonkey's Audio Lossless Audio File
.ATOMAtom Syndication Format
.AAXPLUGINAvid Audio eXtension Plugin File
.AAAudible Audio Book File
.ACDACID Project File
.AQMAlpineQuest Map File
.ALZALZip Archive
.ASActionScript File
.ABWAbiWord Document
.AA3ATRAC Audio File
.ABMPhoto Album
.ADTACT! Document Template
.AHKAutoHotkey Script
.ANMEAnime Studio Document
.ALXActiveX Layout Control File
.ASDWord AutoSave File
.AMZAmazon MP3 Downloader File
.AZW3Amazon KF8 eBook File
.AZW4Amazon Print Replica eBook
.AFXAuto FX PhotoGraphic Edges Image
.ACROBATSECURITYSETTINGSAdobe Acrobat Security Settings File
.APPLICATIONClickOnce Deployment Manifest File
.APPREF-MSMicrosoft Application Reference File
.ARWSony Digital Camera Image
.AWAnswer Wizard File
.AXDASP.NET Web Handler File
.ACSMAdobe Content Server Message File
.ACMInterplay Audio File
.ATTWeb Form Post Data File
.AVXArcView Extension File
.AFCMass Effect 2 Audio File
.ASCActionScript Communication File
.AT3ATRAC3 Audio File
.AVASTLICAvast! License File
.ASAXASP.NET Server Application File
.ASCPGP ASCII Armored File
.A2LASAP2 ECU Description File
.ARXAutoCAD Runtime Extension File
.AOActionOutline Outline File
.AMFAdditive Manufacturing File
.ASEAdobe Swatch Exchange File
.ACROPLUGINAdobe Acrobat Plug-in
.ACD-ZIPSony ACID Project With Embedded Media File
.AEPXAfter Effects XML Project
.ARCSymbian OS Backup File
.AUXLaTeX Auxiliary File
.AZW1Amazon Topaz eBook
.ASYAsymptote Module
.AS3PROJFlashDevelop ActionScript 3 Project File
.ALEAvid Log Exchange File
.AVPAvid Project File
.A5WAlpha Five Webpage File
.ALSAbleton Live Set File
.AMXDAbleton Max Patch File
.A2CAlice Object File
.ADCPAdobe Device Central Project File
.AACAdvanced Audio Coding File
.ARCCompressed File Archive
.AIFFAudio Interchange File Format
.ACEWinAce Compressed File
.ANSANSI Text File
.ACGAudio Comparer Group File
.AMLACPI Machine Language File
.ARTAOL Compressed Image File
.AUAudio File
.AIFCCompressed Audio Interchange File
.AEXAfter Effects Plug-in
.AOFArtlantis Object File
.ADEAccess Project Extension
.ANAdobe Edge Animate Project File
.ACCOUNTPICTURE-MSWindows 8 Account Picture File
.ASCASCII Text File
.ASMAssembly Language Source Code File
.AOIArt of Illusion 3D Scene
.APArtPro File
.ADFAmiga Disk File
.AOMAfter Effects Output Module
.ASXMicrosoft ASF Redirector File
.ADROpera Bookmarks File
.ABKAutomatic Backup File
.AP_ADT Android Developer Package
.AXXAxCrypt Encrypted File
.AIPIllustrator Plug-in
.ARIA2aria2 Control File
.ATLArtlantis 3D Scene File
.A2WAlice World
.ATNPhotoshop Actions File
.ASLPhotoshop Style
.AWKAWK Script
.ASKaskSam Database
.AStatic Library
.AFTAncestry.com Family Tree Database
.AEPAdvanced Encryption Package Encrypted File
.AXDirectShow Filter
.AWDMicrosoft Fax Document
.ABCABC Music Notation
.ACRAudio Comparer Results File
.AJPCCTV Video File
.ASVFAsphyre Sphinx Archive File
.APPFoxPro Generated Application
.ASMSolid Edge Assembly File
.ASVXFinale Auto-save File
.ACTADPCM Compressed Audio File
.AGE3YSAVAge of Empires 3: The Asian Dynasties Save File
.AUDVideo Game Compressed Audio File
.AGE3XRECAge of Empires 3: The WarChiefs Recording
.ADXApproach Index File
.ADMAdministrative Template File
.ABBUAddress Book Backup
.APPSymbian OS Application
.AFIAOMEI Backupper File Backup File
.ARTICLETwixl Publisher Article
.ASCXASP.NET User Control File
.ADDISMAddism Data File
.ACQAcqKnowledge Data Graph File
.AKPAkai Sampler File
.AMSAdobe Monitor Setup File
.AMSExtreme Tracker Module
.AMSVelvet Studio Module
.AECCinema 4D After Effects Composition
.AGRAbleton Groove File
.ACORNAcorn Image
.AVVAvid Volume Bin File
.A6PAuthorware 6 Program
.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
.AVBAvid Bin File
.AEPAfter Effects Project
.ACLAutoCorrect List File
.AMVAnime Music Video File
.AWGActiveworlds Object Group File
.ARTBArtboard Document
.AB1DNA Electropherogram File
.ABIDNA Chromatogram File
.ACRACRobot Script
.AGIAsterisk Gateway Interface File
.AGPArtGem Project File
.APPLESCRIPTAppleScript File
.ANM3D Animation File
.AFPAdvanced Function Presentation File
.ACDRSLogix 5000 Program
.APLIBRARYAperture Library
.ASEAutodesk ASCII Scene Export File
.ABCDAudioVisual Book Data File
.AHSAdobe Halftone Screen File
.ATFAlternativa Texture File
.ADSAda Specification File
.APActive Page
.ARCH00F.E.A.R. Game Archive
.AUPAudacity Project File
.AGE3XSAVAge of Empires 3: The WarChiefs Save File
.ADZCompressed Amiga Disk File
.AGE3YRECAge of Empires 3: The Asian Dynasties Recording
.ACFX-Plane Aircraft File
.ASTAdobe Color Separations Table
.ASRAudio Streaming Resource Archive
.AROSteelArrow Web Application File
.AMBAll My Books Database File
.APLGAudials Plug-in
.A2MAdlib Tracker II File
.A2MTS-AudioToMIDI Settings File
.AN8Vector NTI DNA File
.AIMAIMMS ASCII Model File
.ARDArtiosCAD Workspace File
.ADOCAsciiDoc File
.APARSView Development Project Archive
.AIPAdvanced Installer Project
.ACCGraphics Accounts Data File
.APNGAnimated Portable Network Graphic
.AIRAdobe AIR Installation Package
.ACTIONAutomator Action
.ADGAbleton Device Group
.AFPLOCApple Filing Protocol Location
.ABPAVS Barcode Profile
.AIFSymbian Application Information File
.AIFBAIF Builder Project File
.AM6AutoPlay Media Studio 6 Project
.AM7AutoPlay Media Studio 7 Project
.AC$AutoCAD Temporary File
.AM4AutoPlay Media Studio 4 Project File
.AM5AutoPlay Media Studio 5 Project File
.ALDDynamics AX Application Label Data File
.ACTCAction(s) Collection File
.ALIDynamics AX Label Index File
.ADDDynamics AX Developer Documentation File
.AHDDynamics AX Online Help Data File
.AHIDynamics AX Online Help Index File
.ALTDynamics AX Temporary File
.AODDynamics AX Object Data File
.APZAutoplay Media Studio Exported Project
.AMXAdobe Motion Exchange File
.AMXAMX Mod Plugin File
.AMXXAMX Mod X Plugin File
.AOBDVD-Audio Audio Object File
.AXMAXMEDIS Object
.ARRAdvanced RAR Password Recovery Project
.ARFFAttribute-Relation File Format
.ACSAgent Character File
.AVLArcView Legend File
.APRArcView Project File
.AGIFActive GIF Creator Project
.AAWDEFAd-Aware Definitions File
.ATZAston Compiled Theme
.AN8Anim8or File
.ARFWebEx Advanced Recording File
.APEAVS Plugin Effects File
.AVSAVS Preset File
.AAXAudible Enhanced Audiobook File
.ASRActionScript Remote Document
.ASHXASP.NET Web Handler File
.ABRAdobe Photoshop Brushes File
.ABMMusic Album
.AMFAdvanced Module File
.ARTPROJArtifacts Project
.AMSORMOnLine Ringman Auction Client File
.AAUIAcrobat User Interface File
.ALBAlpha Five Library
.ADBAlpha Five Database File
.ASIAlpha Five Variable File
.ALXBlackBerry Application Loader XML File
.ABAPalm Address Book Archive
.ARTArtCAM Model
.ABYAOL Address Book File
.AGMDTS Multi-channel Pro Packer File
.ARIARRIRAW Image
.AM1Adventure Maker
.AT5Lowrance Map File
.AVCHDHigh Definition Video File
.APFAdobe Profile File
.ASIGrand Theft Auto Mod Library
.ARCUTPrelude Rough Cut File
.A2IAdlib Tracker II Instrument File
.AAMAuthorware Map File
.A2BAdlib Tracker II Instrument Bank
.AEXAlpha Five Compiled Global Functions File
.ASVFinale Auto-save File
.AAOAmerica's Army Map File
.ARSAfter Effects Render Settings File
.ASEFAdobe Swatch Exchange File
.AITAdobe Illustrator Template
.ANHProject ROME File
.AVBMicrosoft Comic Chat Character
.ARCHIVERArchiver Compressed File Archive
.ASNDAdobe Sound Document
.A4PA4Desk Pro Project File
.AZZAZZ Cardfile Database File
.AGE3RECAge of Empires 3 Recording
.ASPAdobe Color Separation Setup File
.AXEAutoRoute Map File
.APPCACHEHTML5 Cache Manifest File
.ACZAppCraft Project
.APLMonkey's Audio Track Information File
.ACVPhotoshop Curves File
.A7PAuthorware 7 Project
.A7RAuthorware 7 Runtime File
.ANGAnghami Audio File
.AFDESIGNAffinity Design Document
.ADIActive@ Disk Image Backup File
.ACWWAnimal Crossing Wild World Pattern File
.AIAMIT App Inventor Source Code File
.AIDLAndroid Interface Definition Language File
.ASMVisual Studio Assembler Source Code File
.ADDINVisual Studio Add-in Definition File
.AVATARGoogle Talk Avatar File
.APLPAudials Plug-in Package
.ACBAdobe Photoshop Color Book File
.ABCActionScript Byte Code File
.ARCNorton Backup Archive
.ACCDTMicrosoft Access Database Template
.ACAC3D 3D File
.ALBUMGLC_Player Album File
.ATCAutoCAD Tool Catalog File
.ARNAutoruns Data File
.AVCKaspersky Virus Database
.ACOAdobe Photoshop Color Swatch File
.ACTAdobe Color Table File
.AWBRWriteOnline WordBar File
.AHUAdobe Photoshop HSL File
.ALVAdobe Photoshop Levels File
.ADVNortek Acoustic Doppler Velocimeter File
.ALDFAldfaer Genealogy File
.AVHDXAutomatic Virtual Hard Drive File
.AXTAdobe Photoshop Extract File
.AWDBAccess Walker Database File
.AEAAdWords Editor Archive
.AGE3SCNAge of Empires 3 Scenario File
.ARDUBOYArduboy Game Package
.AIAAdobe Illustrator Action File
.ACCFTMicrosoft Access Data Type Template
.AWMAllWebMenus Project File
.ACD-BAKMAGIX ACID Project Backup File
.ATMVue Atmospheres File
.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
.ALFACT! Lookup File
.ADTWorld of Warcraft Map File
.ANYAnyRail Layout Plan
.ARGAutoCAD Profile
.AETXAfter Effects XML Project Template
.AGGRAdobe Captivate Aggregate File
.ADMXGroup Policy Administrative Template File
.AAFAdvanced Authoring Format File
.AUXAuxiliary File
.APSVisual C++ Resource File
.ATXArcGIS Attribute Index File
.AVHDHyper-V SnapShot File
.ASYLTspice Symbol File
.ASCLTspice Circuit Schematic File
.AS2PROJFlashDevelop ActionScript 2 Project File
.AINSource Engine Compiled AI Nodegraph File
.ABFAnalysis Services Backup File
.ACPAlfresco Content Package
.AC3Audio Codec 3 File
.ADTSAudio Data Transport Stream File
.ADTADTS Audio File
.ARSCAndroid Package Resource File
.ACCDEAccess Execute Only Database
.ACCDRAccess Runtime Application
.ACCDAAccess Add-in File
.ACCDCMicrosoft Access Signed Package
.A2THEMEAston 2 Theme File
.AVSAvid Project Preferences File
.AVXAvid Plugin File
.ASECAndroid Secure Application File
.APNXAmazon Page Number Index File
.ANEAdobe AIR Native Extension
.AUTOPLAYAutoPlay Media Studio Project File
.APPDOWNLOADMac App Store Partially Downloaded App
.ANIMMaya Animation File
.ANIMUnity Animation File
.ACTAlma CAD/CAM Document
.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
.AZW2Kindle Active Content App File
.AESAES Crypt Encrypted File
.ATSAdvanced ETL Transformation Script
.ACFSteam Application Cache File
.APPXWindows 8 App Package
.AWWAbility Write Document
.AWSAbility Spreadsheet File
.APXAbility Photopaint Studio Image
.APPXUPLOADWindows 8 App Upload Package
.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
.AEPKEYAdvanced Encryption Package Key File
.AMCAMC Video File
.ADPPAdobe Device Profile Package
.ADVSAdobe Device Central Device Set
.AMMAll My Movies Database File
.APPUPErlang Application Upgrade File
.ACBAOL Cab Launcher
.ARJARJ Compressed File Archive
.ARTArt Document
.ASKAbleton Live Skin File
.ABFAdobe Binary Screen Font File
.ALAWA-Law Compressed Sound Format
.AVCAvid Media Composer Script
.APIAcrobat Plug-in
.AXTMicrosoft AutoRoute Template
.AHXWinAHX Tracker Module
.ASEVelvet Studio Sample
.ADMPortfolio Admin-Level Access Flag
.AZZXUncompressed AZZ Cardfile Data File
.A5LAuthorware 5 Library
.A5WAuthorware 5 Windows File
.A65Authorware 6.5 File
.AIMPPLAIMP Playlist File
.ARCAfrican Safari Data File
.AEPActiv E-Book Project
.ATFPhotoshop Transfer Function File
.ADIDynamics AX Developer Documentation Index File
.AOIDynamics AX Application Object Index File
.ARPAdvanced RAR Password Recovery Setup
.APALBUMAperture Album File
.ACRAcer eRecovery Management Backup File
.ATRAtari Disk Image
.ADTAutoCAD Audit Log
.AICAdvanced Image Coding File
.AEAAe Timer Alarm Document
.ACXAtari ST Program
.ACRODATAAcrobat Data File
.A00ALZip Second Split Archive File
.A01ALZip Third Split Archive File
.A02ALZip Fourth Split Archive File
.AWDArtweaver Document
.AN1Street Atlas USA Draw File
.AWBAMR-WB Audio File
.ANSYMAdobe Edge Animate Library File
.ACAAgent Character Animation File
.ACFAgent Character Data File
.ACGAgent Preview File
.AGDAgileGraph Data File
.ASWSAvast! Skin File
.ASWCSAvast! Compressed Skin File
.AOSARCHOS PCtablet Firmware File
.ADIFAmateur Data Interchange Format
.APMAldus Placeable Metafile Image
.ABAAvant Browser Add-on File
.AUTAutoIt Script File
.ARAArchivaldo Resource Archive
.AURAurora Timetable File
.AMLMicrosoft Assistance Markup Language File
.AWTAbiWord Template
.ABIAbiWord Plug-in
.APDEclipse Plugin Descriptor File
.ASBAlphacam Stone VB Macro File
.ARMidtown Madness Data File
.APRApadana Project File
.AYAY Chiptune File
.AETAfter Effects Project Template
.ADMLGroup Policy Language-Specific Administrative Template
.AXEAnnotated XML Example File
.AMAutomake Makefile Template
.ACPEditPlus Auto-Completion File
.ACWWindows Accessibility Wizard File
.A8SAnim8or Script
.ACBAutoCAD Color Book File
.ACPaacPlus Audio File
.APSGreeting Card Studio Project File
.ARIAChipsounds Sound File
.ARIAXChipsounds XML Sound File
.ALLJava RMI Policy File
.AVEAvid User File
.AFEAvid File Exchange File
.AWCAVActiveWorlds Custom Avatar File
.A52Atari 5200 ROM
.ADUAddict User Dictionary File
.AIUAdvanced Installer Updates Configuration File
.ASSETUnity Asset File
.ANSHotDocs Binary Answer File
.AFDAFF Disk Image Part File
.AFMAFF Metadata File
.ADVAbleton Device Preset File
.AVLAntiVir Status Report File
.AVJAntiVir Job File
.ABCMicrografx ABC FlowCharter 6 File
.AF3Micrografx ABC FlowCharter 3/4 File
.ABAmbling BookPlayer MP3 File
.A26Atari 2600 ROM
.AWPAbility Write Template
.ADBAbility Database File
.AWGAbility Draw Document
.APHAbility Album File
.ASTAbility Spreadsheet Template
.ARSCRIPTArtRage Script
.ANJUTAAnjuta IDE Project File
.AIRM.U.G.E.N. Animation File
.APPXSYMWindows 8 App Package Symbols File
.ANIMSET_INGAMEFaceFX In-Game Animation Set File
.AUTOMATICDESTINATIONS-MSWindows Jump List File
.ADADOWNLOADAdobe Download Assistant Partial Download File
.ASHAudiosurf Audio Metadata File
.APPLETEclipse Java Applet Policy File
.AZ!Vuze Partial Download File
.AVASTSOUNDSAvast! Soundpack File
.AMLArc Macro Language File
.AMCAnt Movie Catalog File
.ACCDUAccess Add-in File

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