File Extensions by

.a | Static Library
.a00 | ALZip Second Split Archive File
.a01 | ALZip Third Split Archive File
.a02 | ALZip Fourth Split Archive File
.a2c | Alice Object File
.a2m | Adlib Tracker II File
.a2m | TS-AudioToMIDI Settings File
.a2w | Alice World
.a3l | Authorware 3 Library
.a3m | Authorware 3 Macintosh File
.a3w | Authorware 3 Windows File
.a4l | Authorware 4 Library
.a4m | Authorware 4 Macintosh File
.a4w | Authorware 4 Windows File
.a5l | Authorware 5 Library
.a5w | Authorware 5 Windows File
.a65 | Authorware 6.5 File
.a6p | Authorware 6 Program
.aa | Audible Audio Book File
.aa | Generic CD Image
.aa3 | ATRAC Audio File
.aac | Advanced Audio Coding File
.aae | Sidecar Image Edit File
.aawdef | Ad-Aware Definitions File
.aax | Audible Enhanced Audiobook File
.ab | Applix Builder File
.ab | DNA Sequence File
.ab1 | DNA Electropherogram File
.ab3 | PhotoImpact 3 Album File
.abbu | Address Book Backup
.abc | ABC Music Notation
.abc | ABC Source File
.abcd | AudioVisual Book Data File
.abf | Adobe Binary Screen Font File
.abi | DNA Chromatogram File
.abk | Automatic Backup File
.abk | Need for Speed Underground Audio File
.abm | Photo Album
.abm | Music Album
.abp | AVS Barcode Profile
.abr | Adobe Photoshop Brushes File
.abw | AbiWord Document
.ac | Autoconf Script
.ac$ | AutoCAD Temporary File
.ac3 | Audio Codec 3 File
.ac5 | ArtCut 5 Document
.ac6 | ArtCut 6 Document
.aca | Agent Character Animation File
.acb | AOL Cab Launcher
.acc | Graphics Accounts Data File
.accdb | Access 2007 Database File
.acd | ACID Project File
.acd | RSLogix 5000 Program
.ace | WinAce Compressed File
.acf | Agent Character Data File
.acfm | Adobe Composite Font Metrics File
.acg | Agent Preview File
.acl | AutoCorrect List File
.acr | American College of Radiology File
.acr | ACRobot Script
.acr | Acer eRecovery Management Backup File
.acrodata | Acrobat Data File
.acs | Agent Character File
.act | FoxPro Documenting Wizard Action Diagram
.act | ADPCM Compressed Audio File
.act | Genesis3D Actor File
.action | Automator Action
.acx | Atari ST Program
.ad | After Dark Screensaver
.ada | Ada Source Code
.adb | Ada Body File
.adc | Scanstudio 16 Color Image
.add | Dynamics AX Developer Documentation File
.ade | Access Project Extension
.adf | Amiga Disk File
.adg | Ableton Device Group
.adi | AutoCAD Device-Independent Binary Plotter File
.adi | Dynamics AX Developer Documentation Index File
.adm | Administrative Template File
.adm | Portfolio Admin-Level Access Flag
.adoc | AsciiDoc File
.adp | Access Project
.adr | Opera Bookmarks File
.ads | Ada Specification File
.adt | ACT! Document Template
.adt | AutoCAD Audit Log
.adx | Approach Index File
.adz | Compressed Amiga Disk File
.aea | Ae Timer Alarm Document
.aep | After Effects Project
.aep | Activ E-Book Project
.afm | Adobe Font Metrics File
.afp | FileProtector Encrypted File
.afp | Advanced Function Presentation File
.afploc | Apple Filing Protocol Location
.aft | Ancestry.com Family Tree Database
.agd | Agile Advantage E-mail Attachment
.agi | Asterisk Gateway Interface File
.agif | Active GIF Creator Project
.agp | ArtGem Project File
.ahd | Dynamics AX Online Help Data File
.ahi | Dynamics AX Online Help Index File
.ahk | AutoHotkey Script
.ahl | eMule Metadata File
.ahs | Adobe Halftone Screen File
.ahx | WinAHX Tracker Module
.ai | Adobe Illustrator File
.aic | Advanced Image Coding File
.aif | Audio Interchange File Format
.aif | Symbian Application Information File
.aifb | AIF Builder Project File
.aifc | Compressed Audio Interchange File
.aiff | Audio Interchange File Format
.aim | AOL Instant Messenger Launch File
.aim | AIMMS ASCII Model File
.ain | AIN Compressed File Archive
.aip | Illustrator Plug-in
.air | Adobe AIR Installation Package
.ais | ACDSee Image Sequence File
.ais | Velvet Studio Instrument
.aiu | Advanced Installer Updates Configuration File
.ajp | CCTV Video File
.akp | Akai Sampler File
.al | A-Law Compressed Sound Format
.alaw | A-Law Compressed Sound Format
.alc | Dynamics AX Label Description File
.ald | Dynamics AX Application Label Data File
.ali | Dynamics AX Label Index File
.all | Cubasis Project File
.alt | Dynamics AX Temporary File
.alz | ALZip Archive
.am4 | AutoPlay Media Studio 4 Project File
.am5 | AutoPlay Media Studio 5 Project File
.am6 | AutoPlay Media Studio 6 Project
.am7 | AutoPlay Media Studio 7 Project
.amb | AIMMS Model File
.amf | Advanced Module File
.amfm | Adobe Multiple Font Metrics File
.amr | Adaptive Multi-Rate Codec File
.ams | Adobe Monitor Setup File
.ams | Extreme Tracker Module
.ams | Velvet Studio Module
.amu | PictureGear Studio Photo Album File
.amv | Anime Music Video File
.amx | Adobe Motion Exchange File
.amx | AMX Mod Plugin File
.amxx | AMX Mod X Plugin File
.an1 | Street Atlas USA Draw File
.an8 | Anim8or File
.ani | Windows Animated Cursor
.anm | 3D Animation File
.anme | Anime Studio Document
.ann | Help Annotations
.ans | ANSI Text File
.aob | DVD-Audio Audio Object File
.aod | Dynamics AX Object Data File
.aoi | Dynamics AX Application Object Index File
.aol | America Online File
.ap | Active Page
.apa | RSView Development Project Archive
.apd | Eclipse Plugin Descriptor File
.ape | Monkey's Audio Lossless Audio File
.ape | AVS Plugin Effects File
.api | Acrobat Plug-in
.apk | Android Package File
.apng | Animated Portable Network Graphic
.app | Mac OS X Application
.app | FoxPro Generated Application
.app | Symbian OS Application
.applescript | AppleScript File
.apr | ArcView Project File
.apz | Autoplay Media Studio Exported Project
.ar | Unix Static Library
.ar | Midtown Madness Data File
.arc | Compressed File Archive
.arc | African Safari Data File
.arch00 | F.E.A.R. Game Archive
.ard | ArtiosCAD Workspace File
.arf | WebEx Advanced Recording File
.ari | ARI Compressed File Archive
.arj | ARJ Compressed File Archive
.ark | PowerDesk Pro Archive
.aro | SteelArrow Web Application File
.arp | Advanced RAR Password Recovery Setup
.arr | Amber Graphic File
.arr | Advanced RAR Password Recovery Project
.art | AOL Compressed Image File
.art | Art Document
.art | Artifacts Artifact File
.artproj | Artifacts Project
.as | ActionScript File
.asa | ASP Configuration File
.asat | Assemble SAT 3D Model File
.asc | ASCII Text File
.asc | Autodesk ASCII Export File
.ascii | ASCII Text File
.ascx | ASP.NET User Control File
.ase | Velvet Studio Sample
.ase | Autodesk ASCII Scene Export File
.asf | Advanced Systems Format File
.ashx | ASP.NET Web Handler File
.ask | askSam Database
.asl | Photoshop Style
.asm | Assembly Language Source Code File
.asm | Solid Edge Assembly File
.asmx | ASP.NET Web Service File
.asp | Active Server Page
.aspx | Active Server Page Extended File
.asr | ActionScript Remote Document
.ast | Adobe Color Separations Table
.ast | ClarisWorks Assistant File
.asx | Microsoft ASF Redirector File
.atf | Photoshop Transfer Function File
.atn | Photoshop Actions File
.atom | Atom Syndication Format
.atr | Atari Disk Image
.atrac | Sony ATRAC Audio File
.atx | Animation Master Plugin File
.aty | Association Type Placeholder
.atz | Atomic Time Zone File
.atz | Aston Compiled Theme
.au | Audio File
.au3 | AutoIt v3 Script
.aud | Video Game Compressed Audio File
.aup | Audacity Project File
.avb | Avid Bin File
.avi | Audio Video Interleave File
.avl | ArcView Legend File
.avr | Audio Visual Research File
.avs | AviSynth Script File
.avs | Application Visualization System File
.avs | AVS Preset File
.awb | AMR-WB Audio File
.awc | Emulex AWC Firmware Update File
.awd | Microsoft Fax Document
.awd | Award BIOS Update File
.awd | Artweaver Document
.awg | Activeworlds Object Group File
.awk | AWK Script
.ax | DirectShow Filter
.axm | AXMEDIS Object
.axx | AxCrypt Encrypted File
.azw | Amazon Kindle eBook File