File Extensions

# $ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

File Extensions A

  1. .A UNIX Library [UNIX] ADA Program
  2. .A01 ARJ Multi-volume Compressed Archive (can be 01 to 99)
  3. .A11 Graphic
  4. .A3K Yamaha A3000 Sampler File
  5. .A3L Authorware 3.x Library
  6. .A3M Unpackaged Authorware MacIntosh File
  7. .A3W Unpackaged Authorware Windows File
  8. .A4L Authorware 4.x Library
  9. .A4M Unpackaged Authorware MacIntosh File
  10. .A4P Authorware File Without Runtime
  11. .A4W Unpackaged Authorware Windows File
  12. .A5L Authorware 5.x Library
  13. .A5W Unpackaged Authorware Windows File
  14. .A86 A86 Assembler Program File
  15. .A_T A-Train
  16. .AA Audio Book File
  17. .AAM Authorware Shocked File
  18. .AAS Authorware Shocked Packet
  19. .AB Applix Builder File
  20. .AB6 AB Stat Data
  21. .AB8 AB Stat Data
  22. .AB$ AutoCAD Spooled Plot File
  23. .ABC Flowchart
  24. .ABD AmBiz Bonus Calculator Data File
  25. .ABF Adobe Binary Screen Font
  26. .ABK Corel Draw AutoBackup Any Automatic Backup
  27. .ABM HitPlayer Audio Album File Album File (various)
  28. .ABO Applix Builder Turbo File
  29. .ABR Photoshop Brush
  30. .ABS Abstracts MPEG Audio Sound File [MPEG] PC GNU Compiler OutputAbscissa Data File
  31. .ABW AbiWord Document File
  32. .ACA MS Agent Character File Project Manager Workbench File
  33. .ACB ACBM Graphic Image Archived Data File
  34. .ACC DR-DOS Viewmax File
  35. .ACD Chromeleon Channel Raw Data Sonic Foundry Acid Music File MS AgentCharacter Definiton File
  36. .ACE The Ace Archiver Compressed File
  37. .ACF MS Agent Character File Photoshop Custom Filter
  38. .ACG MS Agent Preview File
  39. .ACH Rockwell Software Logix 5 File
  40. .ACI ACI Development Appraisal
  41. .ACL Corel Draw 6 Keyboard Accelerator
  42. .ACM Audio Compression Manager Driver (Windows) Photoshop Command ButtonWindows System File ACBM Image File Interplay Compressed Sound File
  43. .ACO Photoshop Color Swatch File
  44. .ACP MS Office Assistant Preview File File Used by Adobe Acrobat PaperCapture
  45. .ACR American College of Radiology File
  46. .ACS MS Agent Character File
  47. .ACT MS Office Actor Program File FoxPro Documenting Wizard ActionDiagram Photoshop Color Table
  48. .ACV OS/2 Audio Drivers Photoshop Saved Curve Also see
  49. .AD AfterDark Screen Saver
  50. .AD2 2-bit Compressed Voice File
  51. .AD3 3-bit Compressed Voice File
  52. .ADA ADA Program File
  53. .ADB ADA Package Body HP Organizer Appointment Database
  54. .ADC Chromeleon Demo Data File Scanstudio 16-color Bitmap Graphic FileLingvo Dictionary Text File
  55. .ADD OS/2 Adapter Device Driver Adobe Pagemaker File
  56. .ADE MS Access Project Extension ADC Audio File
  57. .ADF Adapter Description File Admin Config File Amiga Disk File(Uncompressed 901120 byte DD Diskimage)
  58. .ADI AutoCAD Plotter File
  59. .ADL QEMM MCA Adapter Description Library [MCA]
  60. .ADM After Dark Screen Saver Module Windows NT Policy Template AddictCompiled Dictionary
  61. .ADN 1-2-3 Add In Utility MS Access Blank Project Template
  62. .ADO Photoshop Duotone Options
  63. .ADP FaxWorks Modem Setup File Astound Dynamite File MS Access ProjectAOLserver Dynamic Page File [AOL]
  64. .ADR After Dark Random Screen Saver Module Smart Address Address Book
  65. .ADS ADA Package Specification
  66. .ADT HP NewWave Card Application Data File Lingvo Dictionary File AdTechFax File
  67. .ADV GUS Virtual Device Driver
  68. .ADX Lotus Approach Index File Archetype Designer Document DynazipActive Delivery Script
  69. .ADZ GZ-Packed Amiga Disk File (see ADF)
  70. .AE SoftQuad Author/Editor File
  71. .AEH iPer Advanced Embedded Hypertext
  72. .AEP ArcExplorer Project File
  73. .AEU MS AutoRoute Express Europe Route
  74. .AEX PGP Armored Extracted Public Encryption Key [PGP]
  75. .AF2 ABC Flowchart (Now Micrografx FlowCharter)
  76. .AF3 ABC Flowchart (Now Micrografx FlowCharter)
  77. .AFC Apple Sound File
  78. .AFI Truevision Bitmap Graphic
  79. .AFL Lotus Font
  80. .AFM Outline Font Metric HP NewWave Cardfile Application
  81. .AFP Flowchart Symbol Palette
  82. .AFS Filter Factory Photoshop Filter [Added]
  83. .AFT Flowchart Template
  84. .AFW Flowchart Work Area
  85. .AG Applix Graphic
  86. .AG4 Access G4 File
  87. .AGP Aspen Graphics Pages
  88. .AGW Aspen Graphics Windows
  89. .AHS Photoshop Halftone Screens
  90. .AI Adobe Illustrator Vector Graphic Corel Trace Drawing ProgressDatabase After Image File
  91. .AIF Knowledgeware Setup Information Audio Interchange File [Viewer]
  92. .AIM AOL Instant Messenger File [AOL]
  93. .AIN AIN Compressed Archive
  94. .AIO APL File Transfer Format
  95. .AIP Audiosoft Parameter File
  96. .AIR Align It! Resource File
  97. .AIS Array of Intensity Samples (Graphic) Velvet Studio InstrumentsACDSee Image Sequence File
  98. .AIX HP NewWave Cardfile Application Data
  99. .AKF Acrobat Key File
  100. .AKW RoboHELP Help Project Index File
  101. .ALB JASC Image Commander Album Steinberg Cubase or VST Backup Song File
  102. .ALC Norton Internet Security Ad Server File
  103. .ALI SAP Proprietary Format Document File
  104. .ALL Arts & Letters Symbols and Characters WordPerfect Printer Info Steinberg Cubase or VST Song File
  105. .ALS Alias Image
  106. .ALT WordPerfect Menu File
  107. .ALV Photoshop Levels
  108. .AM Applix SHELF Macro
  109. .AMF Advanced Module Format Music File DSMIA/Asylum Module Music
  110. .AMG AMGC Compressed Archive (alternate site) AMG ACTOR System Image
  111. .AMI Cocreate SolidDesigner Annotation File
  112. .AMP Photoshop Arbitrary Map Settings
  113. .AMS Extreme's Tracker Module Format Photoshop Monitor Setup Velvet Studio Module
  114. .AN Groundworks Text File
  115. .ANC Canon Computer Pattern Maker File
  116. .ANI Animated Cursor [Viewer]
  117. .ANL Project Analyzer Saved Analysis
  118. .ANM DeluxPaint Animation
  119. .ANN Help Annotation
  120. .ANS ANSI Graphic [ANSI] MS Word Text and Layout
  121. .ANT SimAnt for Windows Saved Game File
  122. .AOF Acorn Object Format (used for data storage)
  123. .AOS Nokia Add-on Software
  124. .AOT ZenWorks Application Binary Object Template File
  125. .AP Applix Presents File WHAP-Compressed Amiga Archive
  126. .APA AlfaPad Organizer File
  127. .APC Lotus Printer Driver Characters Centura Team Developer Compiled Application File
  128. .APD Lotus Printer Driver Centura Team Developer Dynamic Application Library File
  129. .APF Lotus Printer Driver Fonts Acrobat Profile File Homesite Project File
  130. .API Lotus Printer Driver Info Photoshop Ink Colors Setup Application Program Interface
  131. .APK GameSpy Arcade Service
  132. .APL Centura Team Developer Application Library File APL Workspace File
  133. .APP R:Base, Symphony, DR-DOS, FoxPro (or other) Application Centura Team Developer Normal Mode Application File
  134. .APR Lotus Approach 97 File ArcView Project File Employee Appraiser Performance Review File
  135. .APS MS Visual C++ File Advanced Patching Systems with Error Checking
  136. .APT Centura Team Developer Text Mode Application File Lotus Approach Data View File
  137. .APX Lotus Approach Paradox-specific Information File Borland C++ Appexpert Database
  138. .AQ Applix Data
  139. .ARC Archive File Compressed File
  140. .ARF Automatic Response File
  141. .ARI Aristotle Audio File Compressed Archive
  142. .ARJ Compressed Archive
  143. .ARK Compressed Archive
  144. .ARL AOL Organizer File [AOL]
  145. .ARM Armadillo Software Protection System
  146. .ARR Atari Cubase Arrangement
  147. .ART Clip Art File Xara Studio Drawing Canon Crayola Art File Another Ray Tracer Format AOL Johnson-Grace Compressed File [AOL] First Publisher Raster Graphic
  148. .ARX Compressed Archive
  149. .AS Applix Spreadsheet
  150. .ASA MS Visual InterDev File Active Server Document
  151. .ASC ASCII Text File [ASCII] PGP Armored Encrypted File [PGP]
  152. .ASD MS Word Automatic Backup Lotus Screen Driver MS Advanced Streaming Format Description File
  153. .ASE Velvet Studio Sample
  154. .ASF MS Active Streaming (Media) File Statgraphics Data Lotus Screen Font APL*Plus/PC APL Shared File Electronic Arts Music File
  155. .ASH TASM Assembler Header
  156. .ASI Borland Assembler Include
  157. .ASK askSam Database
  158. .ASM Assembler Source Language (various)
  159. .ASMX ASP.NET Webservices Source File
  160. .ASO Assembler Object Astound Dynamite Objects
  161. .ASP Active Server Page Procomm Plus ASPECT Program Astound Presentation File Photoshop Photo File Index Photoshop Separation Setup
  162. .ASPX ASP.NET Source File
  163. .ASR Ms Automap Route Photoshop Scratch Area
  164. .AST Astound Multimedia File Photoshop Separation Tables Claris Works Assistant File
  165. .ASV DataCAD Autosave File Photoshop Selective Color
  166. .ASX MS Windows Media Active Stream Redirector File Cheyenne Backup Script Video File
  167. .AT2 Aldus Persuasion 2.0 Auto Template
  168. .ATF Photoshop Transfer Function
  169. .ATM Adobe Type Manager Data File
  170. .ATR Lightscape Material Library
  171. .ATT AT&T Group 4 Bitmap (fax)
  172. .ATY 3D Topicscape association type after export to Windows
  173. .ATW AnyTime Deluxe PIM File [PIM]
  174. .AU Music File (various) [Viewer]
  175. .AUD Audio File used by Westwood Studios for various games
  176. .AUX TeX/LaTeX Auxilliary Reference File ChiWriter Auxilliary Dictionary File
  177. .AVA Avagio Publication
  178. .AVB Inculan Anti-Virus Virus Infected File Microsoft Chat Character File
  179. .AVI Audio Video Interleave File [Viewer]
  180. .AVR Audio Visual Research Sound File
  181. .AVS Animation File Application Visualization System Format Stardent AVS-X Image Winamp Advanced Visualization Studio File
  182. .AVX ArcView File
  183. .AW HP AdvanceWrite Text File Applix Word File
  184. .AWD Faxviewer Document
  185. .AWK AWK Script
  186. .AWM Animation Works Movie
  187. .AWR Telsis Digital Audio File
  188. .AWS StatGraphics Data File
  189. .AXL ArcIMS XML Project File [XML]
  190. .AXR Telsis Digital Audio File
  191. .AXT ASCII Application Object Template Photoshop Replace Color/Color Range
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