.A2 | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Apple OS X | Apple |
.A3 | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Apple OS X | Apple |
.A3L | Adobe Systems Incorporated | Datové soubory | Authorware 3 Library | Adobe Authorware | Adobe Systems Incorporated |
.A3M | Adobe Systems Incorporated | Datové soubory | Authorware 3 Macintosh File | Adobe Authorware | Adobe Systems Incorporated |
.A3W | Adobe Systems Incorporated | Datové soubory | Authorware 3 Windows File | Adobe Authorware | Adobe Systems Incorporated |
.A4L | Adobe Systems Incorporated | Datové soubory | Authorware 4 Library | Adobe Authorware | Adobe Systems Incorporated |
.A4M | Adobe Systems Incorporated | Datové soubory | Adobe Authorware Unpackaged File | Adobe Authorware | Adobe Systems Incorporated |
.A4P | Avanquest Software | Datové soubory | A4Desk Pro Project File | Avanquest A4Desk Pro | Avanquest Software |
.A4R | Adobe Systems Incorporated | Datové soubory | Adobe Authorware Package Course Data | Adobe Authorware | Adobe Systems Incorporated |
.A4W | Adobe Systems Incorporated | Datové soubory | Authorware 4 Windows File | Adobe Authorware | Adobe Systems Incorporated |
.A5L | Adobe Systems Incorporated | Datové soubory | Authorware 5 Library | Adobe Authorware | Adobe Systems Incorporated |
.A65 | Adobe Systems Incorporated | Datové soubory | Authorware 6.5 File | Adobe Authorware | Adobe Systems Incorporated |
.AAB | Adobe Systems Incorporated | Datové soubory | Adobe Authorware Binary Data | Adobe Authorware | Adobe Systems Incorporated |
.AAE | Apple | Datové soubory | Sidecar Image Format File | Microsoft Notepad | Microsoft Corporation |
.AAM | Adobe Systems Incorporated | Datové soubory | Authorware Map File | Adobe Authorware | Adobe Systems Incorporated |
.AAO | U.S Army | Datové soubory | America's Army Map File | America's Army | U.S Army |
.AAR | Apache Software Foundation | Datové soubory | Axis Archive | Apache Axis2 | Apache Software Foundation |
.AAS | Adobe Systems Incorporated | Datové soubory | Adobe Authorware Shocked Packet File | Adobe Authorware | Adobe Systems Incorporated |
.AB1 | Thomas Hall | Datové soubory | DNA Electropherogram File | Genome Compiler | Genome Compiler Corporation |
.AB2 | Broderbund | Datové soubory | Print Shop Address Book File | The Print Shop | Broderbund |
.AB3 | Ulead Systems | Datové soubory | PhotoImpact 3 Album File | PhotoImpact | Corel |
.AB4 | ENIAC Computing | Datové soubory | AB4 Accounting & Business Data File | AB4 Accounting & Business | ENIAC Computing |
.AB6 | SINTEF | Datové soubory | ABStat Data | ABstat | Open Source |
.ABB | Unknown Developer | Datové soubory | AlphaBB Data | Unknown Software | Unknown Developer |
.ABD | Interscape | Datové soubory | Adventure Builder Data | Adventure Builder | Interscape |
.ABI | Thomas Hall | Datové soubory | DNA Chromatogram File | Heracle BioSoft DNA Baser Sequence Assembler | Heracle BioSoft |
.ABL | Ubisoft Blue Byte | Datové soubory | ANNO 2070 Scenario Data | ANNO 2070 | Ubisoft Blue Byte |
.ABM | Unknown Developer | Datové soubory | Music Album | Redbana Audition | Redbana |
.ABP | Alver Valley Software Limited | Datové soubory | AVS Barcode Profile | AVS Barcode Source | Alver Valley Software Limited |
.ABT | Braille2000, LLC | Datové soubory | Annotated Braille Text File | Braille 2000 | Braille2000, LLC |
.ABU | ASUS | Datové soubory | Asus App Backup File | ASUS Backup | ASUS |
.ABY | AOL | Datové soubory | AOL Address Book | AOL | AOL |
.AC | GNU Operating System | Datové soubory | Autoconf Script | GNU Autoconf | GNU Operating System |
.AC2 | National Instruments | Datové soubory | SPICE AC/frequency Domain Output | Spice | National Instruments |
.AC7 | National Instruments | Datové soubory | SPICE AC/Frequency Domain Output File | Spice | National Instruments |
.ACC | FKJ Software | Datové soubory | Graphics Accounts Data File | Graphic Accounts | FKJ Software |
.ACCESSOR | Microsoft Corporation | Datové soubory | Microsoft Visual Studio Accessor File | Microsoft Visual Studio | Microsoft Corporation |
.ACD | Sony Creative Software | Datové soubory | ACID Project File | ACID XPress | Sony |
.ACF | Valve | Datové soubory | Steam Application Cache File | Valve Steam | Valve |
.ACG | Bolide Software | Datové soubory | Audio Comparer Group File | Audio Comparer | Bolide Software |
.ACH | Rockwell Automation Inc. | Datové soubory | RSLogix 5 Project File | RSLogix 5 | Rockwell Automation Inc. |
.ACI | ACI | Datové soubory | ACI Development Appraisal | ACI Appraisal Software | ACI |
.ACX | Atari Corporation | Datové soubory | Atari ST Program | Gemulator | Open Source |
.ACZ | BeyondApp Co., Ltd | Datové soubory | AppCraft Project | AppCraft | BeyondApp Co., Ltd |
.ADH | Audible | Datové soubory | Audible Manager File | Audible | Audible |
.ADI | Active@ Data Recovery Software | Datové soubory | Active@ Disk Image Backup File | Active@ Disk Image | LSoft Technologies Inc. |
.ADIUMEMOTICON | The Adium team | Datové soubory | Adium Dock Icon File | Adium | Open Source |
.ADIUMSERVICEICONS | Adam Iser | Datové soubory | Adium Service Icons | Adium | Open Source |
.ADIUMSTATUSICONS | Adam Iser | Datové soubory | Adium Status Icon | Adium | Open Source |
.ADM | Microsoft Corporation | Datové soubory | Administrative Template File | Microsoft Group Policy Object Editor | Microsoft Corporation |
.ADRESSES | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Apple OS X | Apple |
.ADT | Swiftpage, Inc. | Datové soubory | ACT! Document Template | Swiftpage Act | Swiftpage, Inc. |
.ADU | Addictive Software | Datové soubory | Addict User Dictionary File | Addict | Addictive Software |
.ADV | Unknown Developer | Datové soubory | Audio Driver File | Dune | Cryo Interactive Entertainment |
.ADX | CRI Middleware | Datové soubory | ADX Audio File | FFmpeg | FFmpeg team |
.AER | Adobe Systems Incorporated | Datové soubory | Adobe Atmosphere World | Adobe Atmosphere | Adobe Systems Incorporated |
.AES | Open Source | Datové soubory | AES Crypt Encrypted File | Packetizer AES Crypt | Open Source |
.AFF | Kingsoft | Datové soubory | Spellcheck Dictionary Description File | Kingsoft Writer | Kingsoft |
.AFG | James Hutton Institute | Datové soubory | Tablet Assembly Data File | Tablet | James Hutton Institute |
.AFL | Piotr Fusik | Datové soubory | AFLI-editor Picture Image | Recoil | Piotr Fusik |
.AFR | The FreeBSD Community | Datové soubory | FreeBSD File | FreeBSD | The FreeBSD Community |
.AFT | Ancestry.com Inc. | Datové soubory | Family Tree Database | Software MacKiev Family Tree Maker | Ancestry.com Inc. |
.AG | Lotus Software | Datové soubory | Lotus Agenda File Format | Lotus Agenda | Lotus Software |
.AG4 | Microsoft Corporation | Datové soubory | Microsoft Access G4 Data | Microsoft Access | Microsoft Corporation |
.AGD | AgileGraph | Datové soubory | AgileGraph Data File | AgileGraph | AgileGraph |
.AGF | ESRI | Datové soubory | Atlas GIS Native Binary Geodataset | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
.AGGR | Adobe Systems Incorporated | Datové soubory | Adobe Captivate Aggregate File | Adobe Captivate | Adobe Systems Incorporated |
.AGN | Psion PLC | Datové soubory | Psion Series 3a Agenda File | Psion Series 3 | Psion PLC |
.AGP | RL Vision | Datové soubory | ArtGem Project File | ArtGem | RL Vision |
.AGX | Open Source | Datové soubory | AGT Game File | AGiliTy | Open Source |
.AH | The FreeBSD Community | Datové soubory | FreeBSD Installation Data | FreeBSD | The FreeBSD Community |
.AHB | Cosby Clifton Computer Consultants Ltd | Datové soubory | AIM High Briefcase Report File | AIM High | Cosby Clifton Computer Consultants Ltd |
.AHD | Microsoft Corporation | Datové soubory | Dynamics AX Online Help Data File | Microsoft Dynamics AX | Microsoft Corporation |
.AHF | Anadigm | Datové soubory | AnadigmDesigner ASCII Code | Anadigm Designer 2 | Anadigm |
.AHI | Microsoft Corporation | Datové soubory | Microsoft Dynamics AX Online Help Index | Microsoft Dynamics AX | Microsoft Corporation |
.AHP | Autodesk, Inc. | Datové soubory | AutoCAD Help Data | Autodesk AutoCAD | Autodesk, Inc. |
.AI | Adobe Systems Incorporated | Datové soubory | Adobe Illustrator File | Adobe Illustrator CC | Adobe Systems Incorporated |
.AIA | MIT Media Lab | Datové soubory | App Inventor Project | MIT App Inventor | MIT Media Lab |
.AIF | Apple | Datové soubory | Audio Interchange File Format | Microsoft Windows Media Player | Microsoft Corporation |
.AIH | ESRI | Datové soubory | Attribute Index | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
.AII | Progress Software Corporation | Datové soubory | Telerik Test Studio Test Definitions File | Telerik Test Studio | Progress Software Corporation |
.AIL | Mystik Media | Datové soubory | AutoImager File | AutoImager | Mystik Media |
.AINSO | Unknown Developer | Datové soubory | CRYSTALS Chemical Crystallogaphy File | CRYSTALS | Unknown Developer |
.AIU | Caphyon | Datové soubory | Advanced Installer Updates Configuration File | Advanced Installer | Caphyon |
.AIV | EllaZ Systems | Datové soubory | AIVault Data File | AlVault | EllaZ Systems |
.AJG | AJC | Datové soubory | AJC Grep Project | AJC Grep | AJC |
.AKD | Aimsoft | Datové soubory | AIM Keys File | AIM Keys | Aimsoft |
.AKM | Srinivas Annam | Datové soubory | Aksharamala Keymap Binary Data | Aksharamala | Interscape |
.ALC | Ableton | Datové soubory | Ableton Live Clip File | Ableton Live | Ableton |
.ALD | Microsoft Corporation | Datové soubory | Dynamics AX Application Label Data File | Microsoft Dynamics AX | Microsoft Corporation |
.ALDRIN | Apple | Datové soubory | Golden Orchard Apple II CD Rom File | Apple OS X | Apple |
.ALF | Swiftpage, Inc. | Datové soubory | ACT! Lookup File | Swiftpage Act | Swiftpage, Inc. |
.ALG | Pascal Brachet | Datové soubory | AlgoBox Algorithm File | AlgoBox | Pascal Brachet |
.ALI | Microsoft Corporation | Datové soubory | Dynamics AX Label Index File | Microsoft Dynamics AX | Microsoft Corporation |
.ALM | Alpha Software | Datové soubory | Alpha Five Library | Alpha Anywhere - Alpha Software | Alpha Software |
.ALN | UlteraTech Group | Datové soubory | LexNavigator Database Update | LexNavigator | UlteraTech Group |
.ALR | Campbell Wild | Datové soubory | ADRIFT Language Resource File | ADRIFT Generator | Campbell Wild |
.ALT | Microsoft Corporation | Datové soubory | Dynamics AX Temporary File | Microsoft Dynamics AX | Microsoft Corporation |
.AMB | Bolide Software | Datové soubory | All My Books Database File | All My Books | Bolide Software |
.AMC | Pegasys | Datové soubory | AMC Video File | Apple QuickTime Player | Apple |