| .912 | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .915 | Unknown Developer | Neobvyklé soubory | Config 915e File | Unknown Software | Unknown Developer |
| .93BF | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .97T | Unknown Developer | Datové soubory | Availity Health Information Network File | Unknown Software | Unknown Developer |
| .99_ | Unknown Developer | Soubory her | Casino Game File | Unknown Software | Unknown Developer |
| .9B | Unknown Developer | Neobvyklé soubory | Unknown Apple II Data File | Unknown Software | Unknown Developer |
| .9DEE5 | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .9T | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .A-0 | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .A021 | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .A1J | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .A2 | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .A3 | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .A349 | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .A4J | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .A68 | Digital Equipment Corporation | Soubory pro vývojáře | PDP-10 Algol-68 Compiler Source | Unknown Software | Unknown Developer |
| .A8 | Cubicomp | Rastrové obrazové soubory | Cubicomp PictureMaker 3D Animation Data | Unknown Software | Unknown Developer |
| .AA48 | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .ABB | Unknown Developer | Datové soubory | AlphaBB Data | Unknown Software | Unknown Developer |
| .AC7 | National Instruments | Datové soubory | SPICE AC/Frequency Domain Output File | Unknown Software | Unknown Developer |
| .ACT | Bell Labs | Zvukové soubory | ADPCM Compressed Audio File | Unknown Software | Unknown Developer |
| .ACTBIN | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .ACUTC | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .ADRESSES | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .AEG | Unknown Developer | Neobvyklé soubory | Netmino File | Netmino | Unknown Developer |
| .AFAE | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .AFX FILE EXTENSION | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .AHF | Anadigm | Datové soubory | AnadigmDesigner ASCII Code | Unknown Software | Unknown Developer |
| .AHQ | Unknown Developer | Soubory doplňků | AudioHQ Plug-in Module | Unknown Software | Unknown Developer |
| .AHR0CDOVL2 | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .AIN | Valve | Soubory her | Source Engine Compiled AI Nodegraph File | Multi Unpacker | Unknown Developer |
| .AINSO | Unknown Developer | Datové soubory | CRYSTALS Chemical Crystallogaphy File | CRYSTALS | Unknown Developer |
| .AJ0 | Unknown Developer | Neobvyklé soubory | Uncommon File Extension | Unknown Software | Unknown Developer |
| .AJO | Unknown Developer | Neobvyklé soubory | Uncommon File Extension | Unknown Software | Unknown Developer |
| .AK | Unknown Developer | Komprimované soubory | Audio Utility Tuningwrench Compressed File | Unknown Software | Unknown Developer |
| .ALBM | Hewlett-Packard | Rastrové obrazové soubory | HP Photo Printing Software Album File | Unknown Software | Unknown Developer |
| .ALDRIN | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .APG | Unknown Developer | Grafické soubory | Ivana Animated GIF File | Unknown Software | Unknown Developer |
| .APN | Alpine Electronics | Soubory 3D obrázků | Alpine Wallpaper | Unknown Software | Unknown Developer |
| .APPS | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .ARCH | Unknown Developer | Datové soubory | Illum Source Dotfiles File | Unknown Software | Unknown Developer |
| .ARMOURFONT | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .ASXP | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .AT | Unknown Developer | Neobvyklé soubory | Rescue Disk File | Unknown Software | Unknown Developer |
| .ATG | Unknown Developer | Neobvyklé soubory | Netmino File | Netmino | Unknown Developer |
| .ATOS | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .ATW | Unknown Developer | Datové soubory | Attityd Survey Program Data | Unknown Software | Unknown Developer |
| .AUDIO | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .AVH | Pioneer DJ Corporation | Datové soubory | Pioneer AVH Firmware Update | OXE CCTV DVR Recorder | Unknown Developer |
| .AW_ | Unknown Developer | Komprimované soubory | Midiprg Quartz Sets Compressed File | Unknown Software | Unknown Developer |
| .AY | Richard Bannister | Zvukové soubory | AY Chiptune File | Micro Speccy | Unknown Developer |
| .AYA | Unknown Developer | Neobvyklé soubory | Uncommon File Extension | Unknown Software | Unknown Developer |
| .AYE | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .AZA | Unknown Developer | Komprimované soubory | QazaR Archive Compressed File | QazaR | Unknown Developer |
| .AZX | Unknown Developer | Zvukové soubory | ZX Audio File Format | Unknown Software | Unknown Developer |
| .A_T | Unknown Developer | Datové soubory | Atrain File | Unknown Software | Unknown Developer |
| .B1N | Unknown Developer | Neobvyklé soubory | Binary Screen Image File | Unknown Software | Unknown Developer |
| .B2A | Smith Micro Software | Kódované soubory | Btoa Encoded File | Atob | Unknown Developer |
| .B2Z | Unknown Developer | Datové soubory | B2Z dVS Model/Object | Unknown Software | Unknown Developer |
| .B5B5 | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .B7S | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .BAI | B2W Software | Soubory doplňků | BUILD2WIN Add-in | Unknown Software | Unknown Developer |
| .BAI2 | Bank Administration Institute (BAI) | Datové soubory | Cash Management Balance Reporting Specifications Version 2 | Unknown Software | Unknown Developer |
| .BALL | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .BANNER | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .BAO | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .BATH | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .BBZ | BitBlaze | Zvukové soubory | Bitblaze Audio File | Unknown Software | Unknown Developer |
| .BC3 | Unknown Developer | Datové soubory | FIEBDC Database | FIEBDC | Unknown Developer |
| .BCS | The Wavelength | Soubory nastavení | Batch Compiler Specification File | Unknown Software | Unknown Developer |
| .BD1 | Unknown Developer | Soubory her | X Operations Map Block Location | X Operations | Unknown Developer |
| .BDCFG | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .BDIFF BUPDATE BINARY UPDATE | Unknown Developer | Datové soubory | Bdiff Bupdate Binary Update | Unknown Software | Unknown Developer |
| .BDMB | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .BDSM | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .BDU | Unknown Developer | Neobvyklé soubory | Uncommon File Extension | Unknown Software | Unknown Developer |
| .BDZ | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .BEACON | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .BEAT | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .BEATWAVE | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .BER | Unknown Developer | Neobvyklé soubory | German Bericht Report File | Unknown Software | Unknown Developer |
| .BF4 | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .BFAB | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .BFCE | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .BFH | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .BFN | Brother International Corporation | Soubory písem | Brother Embroidery Software Font | Unknown Software | Unknown Developer |
| .BFO | Unknown Developer | Soubory pro vývojáře | GT Nexus PDF Template | GT Nexus | Unknown Developer |
| .BHB | Unknown Developer | Neobvyklé soubory | Unknown File Type | Unknown Software | Unknown Developer |
| .BIG | Electronic Arts | Soubory her | Electronic Arts Game Data File | Unknown Software | Unknown Developer |
| .BILL | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .BIN | Unknown Developer | Soubory diskových obrazů | Binary Disk Image File | Unknown Software | Unknown Developer |
| .BJD | NDDigital | Datové soubory | NDDigital Print Bureau File | Unknown Software | Unknown Developer |
| .BKG | Samsung Electronics | Datové soubory | Samsung Document | Unknown Software | Unknown Developer |
| .BKH | Unknown Developer | Neobvyklé soubory | Uncommon File Extension | Unknown Software | Unknown Developer |
| .BKL | KeyCarbon | Datové soubory | KeyCarbon Binary Keystroke Log | Unknown Software | Unknown Developer |
| .BKT | Zortech | Neobvyklé soubory | Zortech Data File | Unknown Software | Unknown Developer |
| .BLACK | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .BLI | Thomson Reuters Corporation | Neobvyklé soubory | Thomson Speedtouch Firmware File | Unknown Software | Unknown Developer |
| .BLOCK | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
| .BLOSSOMS | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
z 14 
