All File Extension Names Start With a
TOTAL
Extensions

496

Total Extension Name
TOTAL
Type

629

Total Extension Type
Browse Extensions

All File Extensions That Start With The Letter A

Extension Name Extension Type Category Dev.Company File Format
.APP File Extension Mac OS X Application Executable Apple Unknown
.APP File Extension Symbian OS Application Executable Nokia Binary
.APP File Extension FoxPro Generated Application Executable N/A Unknown
.ASX File Extension Microsoft ASF Redirector File Video Microsoft Text
.ASX File Extension Alpha Five Library Temporary Index File Developer Alpha Software Unknown
.ACCDB File Extension Access 2007 Database File Database Microsoft Zip
.AVI File Extension Audio Video Interleave File Video Microsoft Binary
.ASP File Extension Adobe Color Separation Setup File Settings Adobe Systems Unknown
.AZW File Extension Amazon Kindle eBook File eBook Amazon Binary
.ASF File Extension Advanced Systems Format File Video Microsoft Binary
.AI File Extension Adobe Illustrator File Vector Image Adobe Systems Binary
.AI File Extension Battlefield 2 Artificial Intelligence File Game Electronic Arts Text
.AUX File Extension LaTeX Auxiliary File Settings N/A Text
.AUX File Extension Auxiliary File GIS N/A Unknown
.AXD File Extension ASP.NET Web Handler File Web Microsoft Binary
.ACSM File Extension Adobe Content Server Message File eBook Adobe Systems Binary
.AS3PROJ File Extension FlashDevelop ActionScript 3 Project File Developer FlashDevelop XML
.ATT File Extension Web Form Post Data File Web N/A Binary
.ATT File Extension Alphacam Lathe Tool File CAD Alphacam Binary
.AW File Extension Answer Wizard File Data Microsoft Binary
.ARW File Extension ArtStudio Image Raster Image DrawingHand Binary
.ATOM File Extension Atom Syndication Format Web N/A XML
.APPREF-MS File Extension Microsoft Application Reference File Settings Microsoft Text
.APPLICATION File Extension ClickOnce Deployment Manifest File Settings Microsoft XML
.ACROBATSECURITYSETTINGS File Extension Adobe Acrobat Security Settings File Settings Adobe Systems Binary
.AFX File Extension Auto FX PhotoGraphic Edges Image Raster Image Auto FX Software Binary
.ADCP File Extension Adobe Device Central Project File Data Adobe Systems Text
.ALE File Extension Avid Log Exchange File Video Avid Technology Text
.ASY File Extension Asymptote Module Vector Image Asymptote Text
.ASY File Extension LTspice Symbol File CAD Linear Technology Text
.AVX File Extension Avid Plugin File Plugin Avid Technology Unknown
.ALZ File Extension ALZip Archive Compressed ESTsoft Unknown
.ASAX File Extension ASP.NET Server Application File Web Microsoft Text
.ACD-ZIP File Extension Sony ACID Project With Embedded Media File Audio Sony Zip
.ACROPLUGIN File Extension Adobe Acrobat Plug-in Plugin Adobe Systems Binary
.ASE File Extension Autodesk ASCII Scene Export File Text Autodesk Unknown
.ASE File Extension Velvet Studio Sample Audio N/A Unknown
.AQM File Extension AlpineQuest Map File GIS MOBAC Binary
.ABW File Extension AbiWord Document Text AbiSource Unknown
.AZW4 File Extension Amazon Print Replica eBook eBook Amazon Binary
.ASC File Extension Autodesk ASCII Export File Text Autodesk Text
.ASC File Extension PGP ASCII Armored File Encoded PGP Text
.ASC File Extension ASCII Text File Text N/A Text
.ASC File Extension LTspice Circuit Schematic File CAD Linear Technology Text
.ARC File Extension Compressed File Archive Compressed System Enhancement Associates Binary
.ARC File Extension Norton Backup Archive Backup Symantec Binary
.ARC File Extension Symbian OS Backup File Backup Nokia Binary
.ARC File Extension Nintendo Archive File Data Nintendo Binary
.ACD File Extension ACID Project File Audio Sony Binary
.ACD File Extension RSLogix 5000 Program Developer Rockwell Automation Unknown
.AFC File Extension Mass Effect 2 Audio File Audio Electronic Arts Binary
.AEPX File Extension After Effects XML Project Video Adobe Systems XML
.AS File Extension ActionScript File Developer Adobe Systems Text
.AS File Extension AppleSingle File Data Apple Binary
.AVP File Extension AntiVir Profile Data Avira Operations Text
.ADT File Extension ACT! Document Template Data Sage Software Unknown
.ADT File Extension World of Warcraft Map File Game Blizzard Entertainment Binary
.ADT File Extension ADTS Audio File Audio N/A Binary
.ADT File Extension AutoCAD Audit Log CAD Autodesk Unknown
.AVS File Extension AVS Preset File Settings Nullsoft Unknown
.AVS File Extension Avid Project Preferences File Settings Avid Technology Unknown
.AVS File Extension AviSynth Script File Video AviSynth Text
.AVS File Extension Application Visualization System File Video Intel Unknown
.AVS File Extension Adobe Photoshop Variations File Settings Adobe Systems Binary
.ALX File Extension BlackBerry Application Loader XML File Settings Research In Motion XML
.ALX File Extension ActiveX Layout Control File Web Microsoft Text
.ALX File Extension Alpha Five Library Index File Developer Alpha Software Unknown
.ADF File Extension Amiga Disk File Disk Image N/A Binary
.ADF File Extension ACT! Data File Database The Sage Group Binary
.ADF File Extension ESRI ArcInfo Binary Grid Format GIS ESRI Binary
.ANI File Extension Windows Animated Cursor System Microsoft Binary
.A2L File Extension ASAP2 ECU Description File CAD ASAM MCD-2MC Text
.ADP File Extension Access Project Database Microsoft Unknown
.A5W File Extension Authorware 5 Windows File Data Adobe Systems Binary
.ALS File Extension Ableton Live Set File Audio Ableton Binary
.ABM File Extension Music Album Audio N/A Unknown
.ABM File Extension Photo Album Raster Image N/A Unknown
.A2C File Extension Alice Object File 3D Image Carnegie Mellon University Binary
.AA File Extension Audible Audio Book File Audio Audible Binary
.AA File Extension Generic CD Image Disk Image N/A Binary
.AMXD File Extension Ableton Max Patch File Audio Ableton Binary
.ANME File Extension Anime Studio Document Data Smith Micro Binary
.AMZ File Extension Amazon MP3 Downloader File Audio Amazon Binary
.AHK File Extension AutoHotkey Script Executable AutoHotkey Unknown
.AAXPLUGIN File Extension Avid Audio eXtension Plugin File Plugin Avid Technology Unknown
.ASD File Extension Word AutoSave File Backup Microsoft Binary
.ASD File Extension Ableton Live Sample Analysis File Audio Ableton Unknown
.ASMX File Extension ASP.NET Web Service File Web Microsoft Unknown
.AMR File Extension Adaptive Multi-Rate Codec File Audio N/A Binary
.APE File Extension AVS Plugin Effects File Plugin Nullsoft Unknown
.ATX File Extension ArcGIS Attribute Index File GIS ESRI Unknown
.ATX File Extension Animation Master Plugin File Plugin Hash Unknown
.AVV File Extension Avid Volume Bin File Video Avid Technology Binary
.ACT File Extension ADPCM Compressed Audio File Audio N/A Unknown
.ACT File Extension Adobe Color Table File Settings Adobe Systems Binary
.ACT File Extension Alma CAD/CAM Document CAD Alma Unknown
.ACT File Extension Genesis3D Actor File 3D Image Eclipse Entertainment Unknown
.ACT File Extension DS Game Maker Action File Developer Invisionsoft Text
.ACT File Extension FoxPro Documenting Wizard Action Diagram Text N/A Unknown
.ASM File Extension Assembly Language Source Code File Developer N/A Text
.ASM File Extension Visual Studio Assembler Source Code File Developer Microsoft Text
.ASM File Extension Pro/ENGINEER Assembly File Data Parametric Technology Binary
.ASM File Extension Solid Edge Assembly File CAD Siemens Binary
.ACO File Extension Adobe Photoshop Color Swatch File Settings Adobe Systems Binary
.ARTPROJ File Extension Artifacts Project Developer Versioned Unknown
.ADI File Extension Active@ Disk Image Backup File Backup Active@ Data Recovery Software Binary
.ADI File Extension AutoCAD Device-Independent Binary Plotter File CAD Autodesk Binary
.ADI File Extension Dynamics AX Developer Documentation Index File Misc Microsoft Unknown
.ADI File Extension AOMEI Backupper Disk Backup File Backup AOMEI Binary
.ACV File Extension Photoshop Curves File Settings Adobe Systems Binary
.APL File Extension ACDSee Plugin File Plugin ACD Systems Binary
.APL File Extension ArcPad Layer File GIS ESRI Binary
.ACORN File Extension Acorn Image Raster Image Flying Meat Binary
.ARFF File Extension Attribute-Relation File Format Data University of Waikato Text
.ACCDT File Extension Microsoft Access Database Template Database Microsoft Zip
.ASI File Extension Grand Theft Auto Mod Library Plugin N/A Unknown
.ASI File Extension Alpha Five Variable File Developer Alpha Software Unknown
.ATC File Extension AutoCAD Tool Catalog File Settings Autodesk Binary
.ABC File Extension ActionScript Byte Code File Developer Adobe Systems Binary
.ABC File Extension ABC Music Notation Audio N/A Unknown
.ABC File Extension Micrografx ABC FlowCharter 6 File Vector Image iGrafx Binary
.ABC File Extension ABC Source File Developer N/A Text
.AVHD File Extension Hyper-V SnapShot File Disk Image Microsoft Binary
.AM4 File Extension AutoPlay Media Studio 4 Project File Developer Indigo Rose Unknown
.A2I File Extension Adlib Tracker II Instrument File Audio Adlib Binary
.ACB File Extension Adobe Photoshop Color Book File Settings Adobe Systems Binary
.ACB File Extension AutoCAD Color Book File Settings Autodesk Unknown
.ACB File Extension AOL Cab Launcher Misc AOL Unknown
.AVC File Extension Avid Media Composer Script Video Avid Technology Unknown
.AN File Extension Adobe Edge Animate Project File Web Adobe Systems Text
.AXE File Extension AutoRoute Map File GIS Microsoft Binary
.AXE File Extension Annotated XML Example File Developer Codalogic Text
.AEX File Extension Alpha Five Compiled Global Functions File Web Alpha Software Binary
.AAM File Extension Authorware Map File Data Adobe Systems Binary
.AEP File Extension After Effects Project Video Adobe Systems Unknown
.AEP File Extension Activ E-Book Project eBook Answers 2000 Unknown
.AEP File Extension Advanced Encryption Package Encrypted File Encoded InterCrypto Binary
.APF File Extension Sony Ericsson Firmware Acoustics File Audio Sony Ericsson Binary
.AT5 File Extension Lowrance Map File GIS Lowrance Binary
.AM1 File Extension Adventure Maker Game The Adventure Maker Team Binary
.ABY File Extension AOL Address Book File Data AOL Binary
.AHU File Extension Adobe Photoshop HSL File Settings Adobe Systems Binary
.ABA File Extension Palm Address Book Archive Backup Palm Binary
.ABA File Extension Avant Browser Add-on File Plugin Avant Force Binary
.ACR File Extension Audio Comparer Results File Data Bolide Software Binary
.ACR File Extension American College of Radiology File Raster Image National Electrical Manufacturers Association Binary
.AGM File Extension DTS Multi-channel Pro Packer File Audio DTS Binary
.AMM File Extension All My Movies Database File Data Bolide Software Binary
.AMB File Extension All My Books Database File Data Bolide Software Binary
.AMB File Extension AIMMS Model File Data Paragon Decision Technology Unknown
.AAUI File Extension Acrobat User Interface File Plugin Adobe Systems Binary
.ADB File Extension Ada Body File Developer N/A Unknown
.ADB File Extension Alpha Five Database File Database Alpha Software Unknown
.ADB File Extension Ability Database File Database Ability Plus Software Binary
.ASVF File Extension Asphyre Sphinx Archive File Developer Afterwarp Development Unknown
.AZW2 File Extension Kindle Active Content App File Executable Amazon Zip
.AZZ File Extension AZZ Cardfile Database File Data Antanas Zdramys Zip
.AES File Extension AES Crypt Encrypted File Encoded Packetizer Binary
.AES File Extension ooVoo Log File Data ooVoo Unknown
.AMSORM File Extension OnLine Ringman Auction Client File Data Xcira Unknown
.ASND File Extension Adobe Sound Document Data Adobe Systems Binary
.APPX File Extension Windows 8 App Package Developer Microsoft Binary
.APPXUPLOAD File Extension Windows 8 App Upload Package Developer Microsoft Binary
.AIT File Extension Adobe Illustrator Template Settings Adobe Systems Binary
.ALB File Extension Alpha Five Library Developer Alpha Software Unknown
.ARTB File Extension Artboard Document Vector Image Mapdiva Binary
.AEPKEY File Extension Advanced Encryption Package Key File Misc InterCrypto Binary
.AAO File Extension Agenda At Once File Data Dataland Software Binary
.ACG File Extension Audio Comparer Group File Data Bolide Software Binary
.ACG File Extension Agent Preview File Data Microsoft Unknown
.AS2PROJ File Extension FlashDevelop ActionScript 2 Project File Developer FlashDevelop XML
.ACCDR File Extension Access Runtime Application Database Microsoft Binary
.ACCDC File Extension Microsoft Access Signed Package Database Microsoft Binary
.ADVS File Extension Adobe Device Central Device Set Data Adobe Systems Unknown
.ADPP File Extension Adobe Device Profile Package Settings Adobe Systems Text
.A2THEME File Extension Aston 2 Theme File Settings Gladiators Software Zip
.ACCDE File Extension Access Execute Only Database Database Microsoft Binary
.APLIBRARY File Extension Aperture Library Data Apple Unknown
.APPUP File Extension Erlang Application Upgrade File Misc Erlang Text
.AIN File Extension Source Engine Compiled AI Nodegraph File Game Valve Unknown
.AIN File Extension AIN Compressed File Archive Compressed N/A Unknown
.ABF File Extension Analysis Services Backup File Backup Microsoft Binary
.ACP File Extension Alfresco Content Package Backup Alfresco Software Zip
.ACP File Extension aacPlus Audio File Audio International Standards Organization Binary
.ACP File Extension EditPlus Auto-Completion File Developer ES-Computing Text
.AOI File Extension Art of Illusion 3D Scene 3D Image Peter Eastman Binary
.AOI File Extension Dynamics AX Application Object Index File Misc Microsoft Unknown
.AML File Extension ACPI Machine Language File System The ACPICA Project Binary
.AML File Extension Abstract Markup Language Developer Daniel Esquivias XML
.AML File Extension Microsoft Assistance Markup Language File Misc Microsoft XML
.AC3 File Extension Audio Codec 3 File Audio N/A Binary
.ADTS File Extension Audio Data Transport Stream File Audio N/A Binary
.APNX File Extension Amazon Page Number Index File eBook Amazon Binary
.AMC File Extension Ant Movie Catalog File Data Ant Movie Catalog Unknown
.AMC File Extension AMC Video File Video N/A Binary
.ATF File Extension Axon Text File Data Molecular Devices Text
.ATF File Extension Alternativa Texture File 3D Image Alternativa Unknown
.ATF File Extension Photoshop Transfer Function File Settings Adobe Systems Unknown
.ALC File Extension Dynamics AX Label Description File Data Microsoft Unknown
.ANIMSET File Extension FaceFX Animation Set File 3D Image OC3 Entertainment Binary
.APX File Extension Ability Photopaint Studio Image Raster Image Ability Plus Software Binary
.ATS File Extension Advanced ETL Transformation Script Data DB Software Laboratory Text
.ACF File Extension X-Plane Aircraft File Data Laminar Research Text
.ACF File Extension Steam Application Cache File Game Valve Binary
.ACF File Extension Agent Character Data File Data Microsoft Unknown
.ACF File Extension Adobe Photoshop Custom Filter File Settings Adobe Systems Binary
.AWS File Extension AutoCAD Work Space File Settings Autodesk XML
.AWS File Extension Ability Spreadsheet File Spreadsheet Ability Plus Software Binary
.ALP File Extension AnyLogic Project File Developer The AnyLogic Company XML
.ALP File Extension Ableton Live Pack File Plugin Ableton Binary
.ARP File Extension Advanced RAR Password Recovery Setup Settings Elcomsoft Unknown
.ARP File Extension Audition Replay File Game Redbana Binary
.ANIM File Extension Maya Animation File 3D Image Autodesk Text
.ANIM File Extension Amiga Animation File Video Amiga Binary
.ANIM File Extension Antibody Animation File 3D Image Hidden Temple Studios Binary
.AB File Extension DNA Sequence File Data N/A Unknown
.AB File Extension Applix Builder File Developer N/A Unknown
.AVERY File Extension Avery Design & Print Online Label File Page Layout Avery Dennison Binary
.AVGDX File Extension AVG Diagnostics File Misc AVG Technologies Unknown
.ANX File Extension Annodex Exchange Format File Video CSIRO Unknown
.A3D File Extension Alternativa Player 3D Export File 3D Image Alternativa Unknown
.AWW File Extension Ability Write Document Text Ability Plus Software Binary
.ATL File Extension Artlantis 3D Scene File 3D Image Abvent Group Unknown
.ACD-BAK File Extension Sony ACID Project Backup File Audio Sony Binary
.AFF File Extension Spellcheck Dictionary Description File Data Kingsoft Text
.AFF File Extension AFF Disk Image Disk Image Basis Technology Binary
.AP_ File Extension ADT Android Developer Package Developer Google Zip
.APLP File Extension Audials Plug-in Package Plugin RapidSolution Software Binary
.APLG File Extension Audials Plug-in Plugin RapidSolution Software Binary
.ATM File Extension Vue Atmospheres File 3D Image E-on Software Binary
.ATM File Extension PSP Game Audio File Game Sony Binary
.ASS File Extension Aegisub Advanced Substation Alpha File Misc N/A Text
.ASS File Extension Splinter Cell Blacklist Game Data File Game Ubisoft Unknown
.ASW File Extension ACDSee Slideshow Wizard File Raster Image ACD Systems Binary
.APD File Extension Eclipse Plugin Descriptor File Plugin GNstudio XML
.APD File Extension ACDSee Photo Document Raster Image ACD Systems Binary
.AWM File Extension AllWebMenus Project File Web Likno Software Binary
.ADV File Extension Ableton Device Preset File Audio Ableton Binary
.ADV File Extension Nortek Acoustic Doppler Velocimeter File Data Nortek Binary
.ADV File Extension Audio Driver File System N/A Binary
.AIA File Extension MIT App Inventor Source Code File Developer MIT Unknown
.AIA File Extension Adobe Illustrator Action File Settings Adobe Systems Text
.AOF File Extension Artlantis Object File 3D Image Abvent Group Unknown
.ALV File Extension Adobe Photoshop Levels File Settings Adobe Systems Binary
.AEC File Extension Cinema 4D After Effects Composition Video MAXON Binary
.AXT File Extension Microsoft AutoRoute Template GIS Microsoft Binary
.AWDB File Extension Access Walker Database File Data ISS Data Security Binary
.AEA File Extension Ae Timer Alarm Document Settings Ae Applications Unknown
.AEA File Extension AdWords Editor Archive Backup Google Binary
.AGE3SCN File Extension Age of Empires 3 Scenario File Game Microsoft Binary
.AFD File Extension Alphacam Flame Drawing CAD Planit Unknown
.AFD File Extension AFF Disk Image Part File Disk Image Basis Technology Binary
.ASHDISC File Extension Ashampoo Burning Studio Image Disk Image Ashampoo Binary
.AGGR File Extension Adobe Captivate Aggregate File Data Adobe Systems Binary
.ADMX File Extension Group Policy Administrative Template File System Microsoft Binary
.ARCUT File Extension Prelude Rough Cut File Video Adobe Systems Unknown
.AAF File Extension Advanced Authoring Format File Video Avid Technology Binary
.APS File Extension Visual C++ Resource File Developer Microsoft Binary
.ARI File Extension ARRIRAW Image Camera Raw ARRI Group Binary
.ARI File Extension ARI Compressed File Archive Compressed N/A Unknown
.ART File Extension AOL Compressed Image File Raster Image AOL Binary
.ART File Extension ArtCAM Model CAD Delcam Unknown
.ART File Extension Art Document Vector Image N/A Unknown
.ART File Extension Artifacts Artifact File Developer Versioned XML
.AETX File Extension After Effects XML Project Template Video Adobe Systems XML
.ARS File Extension After Effects Render Settings File Settings Adobe Systems Unknown
.ARS File Extension Carmageddon Saved Game Game Stainless Games Binary
.AOM File Extension After Effects Output Module Settings Adobe Systems Unknown
.ASHPRJ File Extension Ashampoo Burning Studio Project Data Ashampoo Unknown
.ASHBAK File Extension Ashampoo Backup Archive Backup Ashampoo Binary
.ABKPRJ File Extension Ashampoo Backup Project Data Ashampoo Unknown
.ALF File Extension ACT! Lookup File Database The Sage Group Binary
.A4P File Extension A4Desk Pro Project File Web Avanquest Software Binary
.ANY File Extension AnyRail Layout Plan CAD DRail Modelspoor Software Binary
.ARG File Extension AutoCAD Profile Settings Autodesk Unknown
.AR File Extension Unix Static Library Compressed N/A Unknown
.AR File Extension Midtown Madness Data File Game Microsoft Zip
.AXX File Extension AxCrypt Encrypted File Encoded Axantum Software Binary
.AMV File Extension Anime Music Video File Video N/A Binary
.AWG File Extension Ability Draw Document Vector Image Ability Plus Software Binary
.AWG File Extension Activeworlds Object Group File Data Activeworlds Unknown
.ARCHIVER File Extension Archiver Compressed File Archive Compressed Incredible Bee Unknown
.ABI File Extension DNA Chromatogram File Data N/A Unknown
.ABI File Extension AbiWord Plug-in Plugin AbiSource Binary
.AN8 File Extension Anim8or File 3D Image Steven Glanville Unknown
.AN8 File Extension Vector NTI DNA File Data Thermo Fisher Scientific Unknown
.AVB File Extension Microsoft Comic Chat Character Raster Image Microsoft Unknown
.AVB File Extension Avid Bin File Video Avid Binary
.AIP File Extension Illustrator Plug-in Plugin Adobe Systems Binary
.AIP File Extension Advanced Installer Project Settings Caphyon Unknown
.AIP File Extension Actual Installer Project Settings Softeza Development Unknown
.AGE3SAV File Extension Age of Empires 3 Save File Game Microsoft Unknown
.ACFM File Extension Adobe Composite Font Metrics File Font Adobe Systems Unknown
.AMFM File Extension Adobe Multiple Font Metrics File Font Adobe Systems Unknown
.AHL File Extension eMule Metadata File Settings eMule Unknown
.AU3 File Extension AutoIt v3 Script Developer AutoIt Unknown
.AFP File Extension Advanced Function Presentation File Page Layout N/A Unknown
.AFP File Extension FileProtector Encrypted File Encoded AndrosaSoft Unknown
.AC File Extension Autoconf Script Executable N/A Unknown
.AC File Extension AC3D 3D File 3D Image Inivis Text
.ABK File Extension Automatic Backup File Backup N/A Binary
.ABK File Extension Arena Opening Book File Game Martin Blume Binary
.ABK File Extension Need for Speed Underground Audio File Game Electronic Arts Binary
.AGI File Extension Asterisk Gateway Interface File Developer Digium Unknown
.ARCH00 File Extension F.E.A.R. Game Archive Game Sierra Unknown
.AUP File Extension Audacity Project File Audio Audacity Binary
.ADR File Extension Opera Bookmarks File Web N/A Unknown
.ADZ File Extension Compressed Amiga Disk File Disk Image N/A Unknown
.ACL File Extension AutoCorrect List File Misc Microsoft Unknown
.AST File Extension Adobe Color Separations Table Settings Adobe Systems Unknown
.AST File Extension ClarisWorks Assistant File Data Apple Binary
.AST File Extension Ability Spreadsheet Template Spreadsheet Ability Plus Software Binary
.AP File Extension Active Page Web Fifth Generation Systems Unknown
.AP File Extension ArtPro File Page Layout Esko Unknown
.ADS File Extension Ada Specification File Developer N/A Unknown
.AHS File Extension Adobe Halftone Screen File Settings Adobe Systems Unknown
.AGP File Extension ArtGem Project File Raster Image RL Vision Unknown
.APPLESCRIPT File Extension AppleScript File Executable Apple Unknown
.ANM File Extension 3D Animation File 3D Image N/A Unknown
.ANH File Extension Project ROME File Page Layout Adobe Systems Unknown
.ABCD File Extension AudioVisual Book Data File Data AV Books Publishers Unknown
.ARIA2 File Extension aria2 Control File Misc N/A Binary
.AFDESIGN File Extension Affinity Design Document Vector Image Serif Labs Unknown
.ADX File Extension Approach Index File Data N/A Unknown
.ADM File Extension Portfolio Admin-Level Access Flag Misc N/A Unknown
.ADM File Extension Administrative Template File System N/A Unknown
.ABBU File Extension Address Book Backup Backup Apple Unknown
.AWK File Extension AWK Script Developer Free Software Foundation Text
.A7P File Extension Authorware 7 Project Settings Adobe Systems Binary
.AWD File Extension Microsoft Fax Document Raster Image Microsoft Binary
.AWD File Extension Award BIOS Update File Misc ASUS Unknown
.AWD File Extension Artweaver Document Raster Image Boris Eyrich Unknown
.A File Extension Static Library Developer N/A Text
.ASK File Extension askSam Database Database askSam Systems Binary
.AJP File Extension CCTV Video File Video N/A Binary
.ASCX File Extension ASP.NET User Control File Web Microsoft Unknown
.AAC File Extension Advanced Audio Coding File Audio N/A Binary
.ACZ File Extension AppCraft Project Data BeyondApp Binary
.AGE3REC File Extension Age of Empires 3 Recording Game Microsoft Unknown
.AGE3YSAV File Extension Age of Empires 3: The Asian Dynasties Save File Game Microsoft Unknown
.A6P File Extension Authorware 6 Program Executable Adobe Systems Binary
.AFT File Extension Ancestry.com Family Tree Database Data Ancestry.com Unknown
.AGE3XSAV File Extension Age of Empires 3: The WarChiefs Save File Game Microsoft Unknown
.ASR File Extension ActionScript Remote Document Web Adobe Systems Unknown
.ASR File Extension Audio Streaming Resource Archive Compressed N/A Unknown
.ASR File Extension Adobe Photoshop Scratch File Data Adobe Systems Binary
.A2W File Extension Alice World Developer Carnegie Mellon University Zip
.A2W File Extension Adlib Tracker II Instrument Bank with Macros Audio Adlib Unknown
.AKP File Extension Akai Sampler File Audio N/A Binary
.AMS File Extension Velvet Studio Module Audio Velvet Development Unknown
.AMS File Extension Extreme Tracker Module Audio N/A Unknown
.ACWW File Extension Animal Crossing Wild World Pattern File Game N/A Unknown
.ASL File Extension Photoshop Style Settings Adobe Systems Unknown
.ATN File Extension Photoshop Actions File Settings Adobe Systems Unknown
.AB3 File Extension PhotoImpact 3 Album File Data Ulead Systems Unknown
.A2B File Extension Adlib Tracker II Instrument Bank Audio Adlib Unknown
.AGIF File Extension Active GIF Creator Project Raster Image Image Tools Group Unknown
.APR File Extension Apadana Project File Developer Javid Software Development Binary
.AVL File Extension AntiVir Status Report File Data Avira Operations Text
.ASVX File Extension Finale Auto-save File Backup MakeMusic Unknown
.ARR File Extension Advanced RAR Password Recovery Project Misc Elcomsoft Unknown
.ARR File Extension Amber Graphic File Raster Image N/A Binary
.ARR File Extension MultiMedia Fusion Array File Developer Clickteam Binary
.AXM File Extension AXMEDIS Object Video AXMEDIS Unknown
.AOB File Extension DVD-Audio Audio Object File Audio N/A Binary
.AMX File Extension AMX Mod Plugin File Plugin N/A Unknown
.APZ File Extension Autoplay Media Studio Exported Project Compressed Indigo Rose Unknown
.AU File Extension Audio File Audio N/A Binary
.AIFC File Extension Compressed Audio Interchange File Audio N/A Unknown
.AOD File Extension Dynamics AX Object Data File Misc Microsoft Unknown
.ALT File Extension Dynamics AX Temporary File Misc Microsoft Unknown
.AHI File Extension Dynamics AX Online Help Index File Misc Microsoft Unknown
.AAWDEF File Extension Ad-Aware Definitions File Misc Lavasoft Unknown
.ATZ File Extension Atomic Time Zone File Misc N/A Unknown
.ATZ File Extension Aston Compiled Theme Settings Gladiators Software Zip
.AIFF File Extension Audio Interchange File Format Audio Apple Binary
.ACE File Extension WinAce Compressed File Compressed WinAce Binary
.AMF File Extension Advanced Module File Audio N/A Unknown
.ALBUM File Extension GLC_Player Album File 3D Image N/A Unknown
.ANS File Extension ANSI Text File Text N/A Text
.ANS File Extension HotDocs Binary Answer File Data HotDocs Binary
.ASV File Extension Finale Auto-save File Backup MakeMusic Unknown
.ASV File Extension Adobe Photoshop Selective Color File Settings Adobe Systems Binary
.ABR File Extension Adobe Photoshop Brushes File Misc Adobe Systems Unknown
.ARF File Extension WebEx Advanced Recording File Video WebEx Communicatons Binary
.AHD File Extension Dynamics AX Online Help Data File Misc Microsoft Unknown
.ADE File Extension Access Project Extension Database Microsoft Binary
.ADG File Extension Ableton Device Group Audio Ableton Unknown
.ACTION File Extension Automator Action Executable Apple Unknown
.AIR File Extension Adobe AIR Installation Package Executable Adobe Systems Binary
.AIR File Extension M.U.G.E.N. Animation File Game Elecbyte Text
.APNG File Extension Animated Portable Network Graphic Raster Image N/A Binary
.ACC File Extension GEM Accessory File Executable Digital Research Binary
.ACC File Extension Graphics Accounts Data File Data FKJ Software Unknown
.ADOC File Extension AsciiDoc File Text N/A Text
.ARTICLE File Extension Twixl Publisher Article Page Layout Twixl media Unknown
.ARD File Extension ArtiosCAD Workspace File CAD Esko Unknown
.AIM File Extension AIMMS ASCII Model File Text Paragon Decision Technology Text
.A2M File Extension TS-AudioToMIDI Settings File Settings TallStick Unknown
.A2M File Extension Adlib Tracker II File Audio Adlib Unknown
.AFI File Extension AOMEI Backupper File Backup File Backup AOMEI Unknown
.AFPLOC File Extension Apple Filing Protocol Location Misc Apple XML
.ABP File Extension AVS Barcode Profile Data AVS Unknown
.ALI File Extension Dynamics AX Label Index File Data Microsoft Unknown
.ALI File Extension RoboHelp Alias File Data Adobe Systems Text
.ACS File Extension Agent Character File Misc Microsoft Unknown
.ALD File Extension Dynamics AX Application Label Data File Data Microsoft Unknown
.AM5 File Extension AutoPlay Media Studio 5 Project File Developer Indigo Rose Unknown
.AC$ File Extension AutoCAD Temporary File Misc Autodesk Unknown
.ADD File Extension Dynamics AX Developer Documentation File Misc Microsoft Unknown
.AM7 File Extension AutoPlay Media Studio 7 Project Developer Indigo Rose Unknown
.AM6 File Extension AutoPlay Media Studio 6 Project Developer Indigo Rose Unknown
.ASEF File Extension Adobe Swatch Exchange File Settings Adobe Systems Binary
.AIFB File Extension AIF Builder Project File Data Symbian Unknown
.AVASTSOUNDS File Extension Avast! Soundpack File Audio AVAST Software Binary
.AZ! File Extension Vuze Partial Download File Misc Vuze Unknown
.APH File Extension Ability Album File Data Ability Plus Software Unknown
.ASH File Extension Nintendo Wii System Menu File Misc N/A Binary
.ASH File Extension KoLmafia ASH Script Game KoLmafia Text
.AXV File Extension Annodex Video File Video CSIRO Unknown
.ARSCRIPT File Extension ArtRage Script Executable Ambient Design Text
.ANJUTA File Extension Anjuta IDE Project File Developer The GNOME Project Unknown
.ASSETPROJ File Extension Camtasia Studio Asset Information File Plugin TechSmith XML
.ABCDP File Extension Address Book CoreData Person File Data Apple Unknown
.ANIMSET_INGAME File Extension FaceFX In-Game Animation Set File 3D Image OC3 Entertainment Unknown
.AUTOMATICDESTINATIONS-MS File Extension Windows Jump List File System Microsoft Binary
.ASCS File Extension ActionScript Communication Server File Developer Adobe Systems Text
.AUTOSAVE File Extension Fusion Auto-save File Data Blackmagic Design Unknown
.ACCDU File Extension Access Add-in File Plugin Microsoft Binary
.ABS File Extension Absolute Database File Database ComponentAce Binary
.ABS File Extension AB SuDoKu Saved Game Game AB SuDoKu Binary
.ABS File Extension TurboZIP Auto Compress Script Settings FileStream Zip
.ALM File Extension Alpha Five Library Developer Alpha Software Unknown
.APXL File Extension Keynote Presentation Data File Data Apple XML
.APT File Extension Almost Plain Text File Text N/A Text
.A2T File Extension Adlib Tracker II Tiny Module File Audio Adlib Unknown
.A2P File Extension Adlib Tracker II Pattern File Audio Adlib Unknown
.AAE File Extension Sidecar Image Format File Data Apple XML
.ANTMPL File Extension Adobe Edge Animate Template File Page Layout Adobe Systems Unknown
.ASDB File Extension Asphyre Sphinx Archive File Developer Afterwarp Development Unknown
.AWLIVE File Extension Active Webcam Video File Video PY Software Binary
.ASSTRM File Extension Splinter Cell Blacklist Game Data File Game Ubisoft Unknown
.A5WCMP File Extension Alpha Five Web Components File Data Alpha Software Unknown
.ACS2 File Extension AIMP Skin File Settings N/A Unknown
.ANN File Extension Lingvo Dictionary Annotation File Data ABBYY Unknown
.ANN File Extension Help Annotations System N/A Unknown
.A7L File Extension Authorware 7 Library Settings Adobe Systems Unknown
.A7D File Extension Authorware 7 Model Settings Adobe Systems Unknown
.APKG File Extension Exported Anki Flashcard Deck Text Damien Elmes Text
.ADN File Extension Access Blank Project Template Database Microsoft Binary
.AGTEMPLATE File Extension Adobe Photoshop Lightroom Template Settings Adobe Systems Text
.A1WISH File Extension Audials Wishlist File Data RapidSolution XML
.AGMODULE File Extension Photoshop Lightroom Module Plugin Adobe Systems Unknown
.AIMPPL File Extension AIMP Playlist File Audio AIMP DevTeam Text
.ABX File Extension WordPerfect Address Book Database Corel Unknown
.AZZX File Extension Uncompressed AZZ Cardfile Data File Data Antanas Zdramys XML
.AGX File Extension AGT Game File Game N/A Unknown
.ABT File Extension Annotated Braille Text File Data Computer Application Specialties Company XML
.ARA File Extension Archivaldo Resource Archive Data LittleApps Binary
.AGG File Extension Bulk Data File Compressed New World Computing, Inc. Zip
.AGLIB File Extension Adobe Photoshop Lightroom Library Data Adobe Systems Binary
.AXA File Extension Annodex Audio File Audio CSIRO Unknown
.AGD File Extension AgileGraph Data File Data AgileGraph Unknown
.AGD File Extension Agile Advantage E-mail Attachment Misc Oracle Unknown
.ACA File Extension Agent Character Animation File Data Microsoft Unknown
.AWB File Extension AMR-WB Audio File Audio N/A Unknown
.AN1 File Extension Street Atlas USA Draw File Data DeLorme Unknown
.A02 File Extension ALZip Fourth Split Archive File Compressed ESTsoft Unknown
.A01 File Extension ALZip Third Split Archive File Compressed ESTsoft Unknown
.A00 File Extension ALZip Second Split Archive File Compressed ESTsoft Unknown
.ACRODATA File Extension Acrobat Data File Settings Adobe Systems Unknown
.ACX File Extension Atari ST Program Game Atari Unknown
.ATR File Extension Atari Disk Image Disk Image Atari Unknown
.ASWS File Extension Avast! Skin File Settings AVAST Software Unknown
.ASWCS File Extension Avast! Compressed Skin File Settings AVAST Software Binary
.ATE File Extension Office Accounting Compressed Backup File Backup Microsoft Binary
.AFS File Extension STAAD.foundation Project File CAD Bentley Systems Binary
.AXP File Extension CDBurnerXP Audio Compilation File Settings Canneverbe XML
.ARH File Extension ProTool Compressed Project File Compressed Siemens Binary
.ARH File Extension ArheoStratigraf Project File Data Dorel Micle Binary
.AS4 File Extension askSam Backup File Backup askSam Systems Binary
.AB2 File Extension Print Shop Address Book File Data Broderbund Binary
.AIC File Extension Advanced Image Coding File Raster Image N/A Unknown
.AUT File Extension AutoIt Script File Developer Jonathan Bennett Text
.APM File Extension Aldus Placeable Metafile Image Raster Image Adobe Systems Binary
.ALL File Extension Java RMI Policy File Settings Oracle Text
.ALL File Extension Cubasis Project File Audio Steinberg Binary
.AC6 File Extension ArtCut 6 Document Vector Image Wentai Binary
.AC5 File Extension ArtCut 5 Document Vector Image Wentai Binary
.ADA File Extension Ada Source Code Developer N/A Unknown
.API File Extension Adobe Photoshop Inks File Settings Adobe Systems Binary
.API File Extension Acrobat Plug-in Plugin Adobe Systems Binary
.ALAW File Extension A-Law Compressed Sound Format Audio N/A Unknown
.AFM File Extension Adobe Font Metrics File Font N/A Unknown
.AFM File Extension AFF Metadata File Disk Image Basis Technology Binary
.AD File Extension After Dark Screensaver Misc Berkeley Systems Unknown
.ARJ File Extension ARJ Compressed File Archive Compressed ARJ Software Unknown
.AIS File Extension Velvet Studio Instrument Audio N/A Unknown
.AIS File Extension ACDSee Image Sequence File Raster Image ACD Systems Binary
.ASAT File Extension Assemble SAT 3D Model File 3D Image N/A Unknown
.A65 File Extension Authorware 6.5 File Data Adobe Systems Binary
.A5L File Extension Authorware 5 Library Data Adobe Systems Binary
.AVD File Extension Movie Edit Pro Video Information File Video MAGIX Binary
.ADU File Extension Addict User Dictionary File Data Addictive Software Binary
.AM File Extension Automake Makefile Template Developer Automake Text
.AM File Extension Anark Media File Video Anark Binary
.AET File Extension After Effects Project Template Video Adobe Systems Binary
.AY File Extension AY Chiptune File Audio N/A Binary
.ASB File Extension Alphacam Stone VB Macro File Executable Planit Text
.AWT File Extension AbiWord Template Text AbiSource Binary
.ABDATA File Extension Adobe Bridge Data File Data Adobe Systems Unknown
.AFE File Extension Avid File Exchange File Data Avid Technology Unknown
.AVE File Extension Avid User File Settings Avid Technology Unknown
.ARIAX File Extension Chipsounds XML Sound File Audio Plogue XML
.ASSET File Extension Unity Asset File Game Unity Technologies Binary
.A8S File Extension Anim8or Script 3D Image Steven Glanville Text
.ACW File Extension Windows Accessibility Wizard File Settings Microsoft Unknown
.ACTX File Extension DS Game Maker Action Description File Developer Invisionsoft Text
.AVENIRPROJ File Extension StoryMill Project Data Mariner Software Binary
.AWP File Extension Ability Write Template Text Ability Plus Software Binary
.A26 File Extension Atari 2600 ROM Game N/A Binary
.AMP File Extension Adobe Photoshop Curves Map File Settings Adobe Systems Binary
.AOS File Extension ARCHOS PCtablet Firmware File System ARCHOS Binary
.ADO File Extension Adobe Photoshop Duotone Options File Settings Adobe Systems Binary
.ACBL File Extension Adobe Color Book Legacy File Settings Adobe Systems Binary
.A52 File Extension Atari 5200 ROM Game N/A Binary
.AF3 File Extension Micrografx ABC FlowCharter 3/4 File Vector Image iGrafx Binary
.ARENA File Extension Quake 3 Engine Arena File Game id Software Text
.A3L File Extension Authorware 3 Library Data Adobe Systems Binary
.A4L File Extension Authorware 4 Library Data Adobe Systems Binary
.ARC.LH File Extension Nintendo Archive File Data Nintendo Unknown
.A3M File Extension Authorware 3 Macintosh File Data Adobe Systems Binary
.ADC File Extension Scanstudio 16 Color Image Raster Image Steffen Gutmann Binary
.ASCII File Extension ASCII Text File Text N/A Text
.ALAC File Extension ALAC Encoded Audio File Audio Apple Binary
.AVR File Extension Audio Visual Research File Audio N/A Unknown
.AMU File Extension PictureGear Studio Photo Album File Data Sony Binary
.ARPACK File Extension ArtRage Package Plugin Ambient Design Binary
.AF2 File Extension Micrografx ABC FlowCharter 2 File Vector Image iGrafx Binary
.AOL File Extension America Online File Misc AOL Unknown
.AL File Extension A-Law Compressed Sound Format Audio N/A Unknown
.ALBM File Extension HP Photo Printing Software Album File Raster Image HP Binary
.AQT File Extension AQTitle Subtitles File Video N/A Text
.AGB File Extension Game Boy Advance ROM Game N/A Binary
.AVA File Extension AvaaBook eBook eBook AvaaBook Binary
.ALR File Extension ADRIFT Language Resource File Game Campbell Wild Text
.AN2 File Extension Croc Legend of the Gobbos Animation File Game Argonaut Software Binary
.AWKW File Extension Awkwords Word Generator File Misc Awkwords Text
.ADOX File Extension ActivDox Document Data ActivDox Binary
.AIV File Extension AIVault Data File Data EllaZ Systems Binary
.A5RPT File Extension Alpha Five Project Report File Data Alpha Software Unknown
.A4W File Extension Authorware 4 Windows File Data Adobe Systems Binary
.A4M File Extension Authorware 4 Macintosh File Data Adobe Systems Binary
.AWC File Extension Emulex AWC Firmware Update File Misc Emulex Unknown
.ATAHD File Extension ATA Hard Drive Flag File System Puppy Linux Unknown
.ARTWORK File Extension ArtStudio Image Raster Image DrawingHand Binary
.ADOBEBRIDGE File Extension Adobe Bridge URL FIle Data Adobe Systems Unknown
.ARK File Extension PowerDesk Pro Archive Compressed ARK11 Unknown
.ATRAC File Extension Sony ATRAC Audio File Audio Sony Binary
.ADDON File Extension CFS Console Add-on File Plugin Zaplots Text
.AOIS File Extension CFS Console Add-on Installer Settings File Settings Zaplots Text
.ARL File Extension AOL Organizer File Settings AOL Unknown
.A3W File Extension Authorware 3 Windows File Data Adobe Systems Binary
.APK File Extension Android Package File Executable Google Binary
.AZW3 File Extension Amazon KF8 eBook File eBook Amazon Binary
.ASPX File Extension Active Server Page Extended File Web Microsoft Text
.AIF File Extension Audio Interchange File Format Audio Apple Binary
.AIF File Extension Symbian Application Information File Misc Symbian Unknown
.ACM File Extension Interplay Audio File Audio BioWare Binary
.ARX File Extension AutoCAD Runtime Extension File Plugin Autodesk Binary
.AA3 File Extension ATRAC Audio File Audio Sony Binary
.AVASTLIC File Extension Avast! License File Misc AVAST Software Binary
.AZW1 File Extension Amazon Topaz eBook eBook Amazon Binary
.AT3 File Extension ATRAC3 Audio File Audio Sony Binary
.ADDIN File Extension Visual Studio Add-in Definition File Developer Microsoft XML
.ANE File Extension Adobe AIR Native Extension Developer Adobe Systems Binary
.APPDOWNLOAD File Extension Mac App Store Partially Downloaded App Misc Apple Binary
.AVATAR File Extension Google Talk Avatar File Raster Image Google Binary
.ACCOUNTPICTURE-MS File Extension Windows 8 Account Picture File Raster Image Microsoft Binary
.AVCHD File Extension High Definition Video File Video Sony, Panasonic Unknown
.ACCDA File Extension Access Add-in File Plugin Microsoft Binary
.ASEC File Extension Android Secure Application File System Google Binary
.ARSC File Extension Android Package Resource File Developer Google Binary
.AUZ File Extension Ableton Authorization File Misc Ableton Unknown
.ATH File Extension Alienware AlienFX Theme File Settings Dell XML
.AUTOPLAY File Extension AutoPlay Media Studio Project File Developer Indigo Rose Binary
.AGR File Extension Ableton Groove File Audio Ableton Unknown
.ACCFT File Extension Microsoft Access Data Type Template Database Microsoft Binary
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.ASA File Extension ASP Configuration File Web N/A Text
.ARO File Extension SteelArrow Web Application File Web Tomahawk Technologies Unknown
.AX File Extension DirectShow Filter Plugin N/A Unknown
.A7R File Extension Authorware 7 Runtime File Executable Adobe Systems Binary
.AUD File Extension Video Game Compressed Audio File Audio N/A Unknown
.ANG File Extension Anghami Audio File Audio Anghami Unknown
.AGE3YREC File Extension Age of Empires 3: The Asian Dynasties Recording Game Microsoft Unknown
.AGE3XREC File Extension Age of Empires 3: The WarChiefs Recording Game Microsoft Unknown
.APPCACHE File Extension HTML5 Cache Manifest File Web N/A Text
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.ASHX File Extension ASP.NET Web Handler File Web Microsoft Text
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.APA File Extension RSView Development Project Archive Developer Rockwell Automation Unknown
.AIDL File Extension Android Interface Definition Language File Developer Google Text
.AAN File Extension Pro Tools Elastic Audio Analysis File Data Avid Technology Unknown
.A3X File Extension Compiled AutoIt v3 Script Developer AutoIt Unknown
.ABCDDB File Extension Apple Address Book Contact List Database Apple Unknown
.APPLET File Extension Eclipse Java Applet Policy File Developer Eclipse Text
.ADADOWNLOAD File Extension Adobe Download Assistant Partial Download File Misc Adobe Systems Binary
.APPXSYM File Extension Windows 8 App Package Symbols File Developer Microsoft Binary
.ATTR File Extension iPhoto Attributes File Data Apple Unknown
.ANSYM File Extension Adobe Edge Animate Library File Data Adobe Systems Binary
.ADBLOCK File Extension Alpha Five Library Temporary File Developer Alpha Software Unknown
.AIU File Extension Advanced Installer Updates Configuration File Settings Caphyon Text
.AZF File Extension AirZip FileSECURE File Encoded AirZip Unknown
.AZS File Extension AirZip FileSECURE File Encoded AirZip Unknown
.APALBUM File Extension Aperture Album File Data Apple Binary
.AGTOOLKIT File Extension Adobe Photoshop Lightroom Toolkit Data Adobe Systems Unknown
.ANTISPAM5 File Extension Personal AntiSpam Settings File Settings Intego Unknown
.ACS3 File Extension AIMP Skin File Settings N/A Unknown
.ATI File Extension Office Accounting Updated Company File Backup Microsoft Binary
.ATY File Extension Association Type Placeholder Text G&A M.C. Unknown
.AHX File Extension WinAHX Tracker Module Audio N/A Binary
.AVJ File Extension AntiVir Job File Data Avira Operations Text
.AWCAV File Extension ActiveWorlds Custom Avatar File Settings ActiveWorlds Text
.ARIA File Extension Chipsounds Sound File Audio Plogue Binary
.ACTM File Extension AutoCAD Action Macro File Executable Autodesk Unknown
.ACCDW File Extension Microsoft Access Database Link File Database Microsoft Text
.ADML File Extension Group Policy Language-Specific Administrative Template System Microsoft Text
.ANNOT File Extension Adobe Digital Editions Annotations File Misc Adobe Systems Binary

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