| .ASO | Adobe Systems Incorporated | Utviklerfiler | ActionScript Object | Adobe Creative Cloud | Adobe Systems Incorporated |
| .ASP | Microsoft Corporation | Web-Filer | Active Server Page | Adobe Dreamweaver | Adobe Systems Incorporated |
| .ASPX | Microsoft Corporation | Web-Filer | Active Server Page Extended ASP.NET Script | Adobe Dreamweaver | Adobe Systems Incorporated |
| .ASR | Adobe Systems Incorporated | Web-Filer | ActionScript Remote Document | Adobe Dreamweaver | Adobe Systems Incorporated |
| .AST | Apple | Datafiler | ClarisWorks Assistant File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .ASV | MakeMusic, Inc. | Backupfiler | Finale Auto-save File | Adobe Photoshop CC | Adobe Systems Incorporated |
| .AT2 | Adobe Systems Incorporated | Datafiler | Adobe Persuasion Auto Template | Aldus PhotoStyler | Adobe Systems Incorporated |
| .ATF | Molecular Devices | Datafiler | Axon Text File | Adobe Photoshop CC | Adobe Systems Incorporated |
| .ATN | Adobe Systems Incorporated | Innstillingsfiler | Photoshop Actions File | Adobe Photoshop CC | Adobe Systems Incorporated |
| .AU | Open Source | Lydfiler | Audacity Audio File | Adobe Audition | Adobe Systems Incorporated |
| .AVA | Open Source | ebok Filer | AvaaBook eBook | Adobe Photoshop | Adobe Systems Incorporated |
| .AVS | Adobe Systems Incorporated | Datafiler | Adobe Photoshop Variations File | Adobe Photoshop | Adobe Systems Incorporated |
| .AWE | Adobe Systems Incorporated | Innstillingsfiler | Adobe Acrobat Bookmark XML Data | Adobe Creative Cloud | Adobe Systems Incorporated |
| .AWF | Adobe Systems Incorporated | 3D-bildefiler | Adobe WorkFlow Workgroup Plugin | Adobe Creative Cloud | Adobe Systems Incorporated |
| .AXT | Adobe Systems Incorporated | Innstillingsfiler | Adobe Photoshop Extract File | Adobe Photoshop CC | Adobe Systems Incorporated |
| .BC | BitComet Development Group | Uvanlige filer | BitComet Partially Downloaded File | Adobe Bridge CC | Adobe Systems Incorporated |
| .BCM | Adobe Systems Incorporated | Datafiler | Adobe Bridge Cache File | Adobe Bridge CC | Adobe Systems Incorporated |
| .BCP | Blackmagic Design | Innstillingsfiler | BlackMagic Custom Palette | Adobe Photoshop | Adobe Systems Incorporated |
| .BCT | Adobe Systems Incorporated | Datafiler | Adobe Bridge Thumbnail Cache File | Adobe Bridge CC | Adobe Systems Incorporated |
| .BDL | Parametric Technology Corporation | CAD-filer | CoCreate Bundle File | Adobe Acrobat DC | Adobe Systems Incorporated |
| .BITMAP | Various Developers | Rasterbildefiler | Bitmap Image File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .BK | Adobe Systems Incorporated | Datafiler | FrameMaker Book File | Adobe FrameMaker | Adobe Systems Incorporated |
| .BLA | Adobe Systems Incorporated | Datafiler | Adobe Black Colour Separation Data | Adobe Creative Cloud | Adobe Systems Incorporated |
| .BLW | Adobe Systems Incorporated | Innstillingsfiler | Adobe Photoshop Black And White Presets File | Adobe Photoshop CC | Adobe Systems Incorporated |
| .BLZ | Nokia | Spillfiler | N-Gage Mobile Video Game File | Adobe Photoshop | Adobe Systems Incorporated |
| .BMP | Various Developers | Rasterbildefiler | Bitmap Image File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .BMZ | Valve | Spillfiler | Portal Bonus Map Zip File | Adobe Photoshop | Adobe Systems Incorporated |
| .BOOK | Adobe Systems Incorporated | Datafiler | FrameMaker Book File | Adobe FrameMaker | Adobe Systems Incorporated |
| .BPDX | Adobe Systems Incorporated | Uvanlige filer | Acrobat Batch PDX File | Adobe Acrobat DC | Adobe Systems Incorporated |
| .BRIDGESORT | Adobe Systems Incorporated | Innstillingsfiler | Adobe Bridge Cabinet | Adobe Bridge CC | Adobe Systems Incorporated |
| .BRS | Adobe Systems Incorporated | Datafiler | RoboHelp Browse Sequence File | Adobe RoboHelp | Adobe Systems Incorporated |
| .BUC | Adobe Systems Incorporated | Backupfiler | Adobe Photoshop Elements Backup File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .C4D | MAXON Computer | 3D-bildefiler | Cinema 4D Model File | Adobe After Effects | Adobe Systems Incorporated |
| .CACHE | Various Developers | Uvanlige filer | Cache File | Adobe Photoshop | Adobe Systems Incorporated |
| .CAL | Newera Software Technology, Inc. | Rasterbildefiler | CALS Raster File | Adobe Photoshop | Adobe Systems Incorporated |
| .CALS | Newera Software Technology, Inc. | Rasterbildefiler | CALS Raster File | Adobe Photoshop | Adobe Systems Incorporated |
| .CATPRODUCT | Dassault Systèmes | CAD-filer | CATIA V5 Assembly File | Adobe Acrobat DC | Adobe Systems Incorporated |
| .CCT | Adobe Systems Incorporated | Datafiler | Director Protected Cast Resource | Adobe Director | Adobe Systems Incorporated |
| .CDR | Corel | Vektorbildefiler | CorelDRAW Vector Image File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .CEF | Richard Stott | Datafiler | Class Action Gradebook Elementary File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .CEL | Affymetrix | Datafiler | Affymetrix Probe Results File | Adobe Audition | Adobe Systems Incorporated |
| .CER | Microsoft Corporation | Web-Filer | Internet Security Certificate | Adobe Acrobat DC | Adobe Systems Incorporated |
| .CFA | Frontline | Datafiler | ComProbe Analyzer Capture File | Adobe Premiere Pro CC | Adobe Systems Incorporated |
| .CFC | Adobe Systems Incorporated | Utviklerfiler | ColdFusion Component File | Adobe Dreamweaver | Adobe Systems Incorporated |
| .CFG | Unknown Developer | Utviklerfiler | Configuration File | Brackets | Adobe Systems Incorporated |
| .CFM | Adobe Systems Incorporated | Web-Filer | ColdFusion Markup File | Adobe Dreamweaver | Adobe Systems Incorporated |
| .CGM | Unknown Developer | Vektorbildefiler | Computer Graphics Metafile | Adobe Illustrator CC | Adobe Systems Incorporated |
| .CGR | Dassault Systèmes | CAD-filer | CATIA Graphical Representation File | Adobe Acrobat DC | Adobe Systems Incorporated |
| .CHA | Snak Software | Web-Filer | IRC Chat Configuration File | Adobe Photoshop CC | Adobe Systems Incorporated |
| .CIN | Kodak | Rasterbildefiler | Kodak Cineon Bitmap File | Adobe SpeedGrade | Adobe Systems Incorporated |
| .CLR | Adobe Systems Incorporated | Uvanlige filer | Animate Color Set | Adobe Animate CC 2017 | Adobe Systems Incorporated |
| .CLX | IBM | Datafiler | Rational XDE | Adobe Illustrator CC | Adobe Systems Incorporated |
| .CMX | Corel | Vektorbildefiler | Corel Metafile Exchange Image File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .COLLECTION | Adobe Systems Incorporated | Datafiler | Adobe Bridge Collection File | Adobe Bridge CC | Adobe Systems Incorporated |
| .CONFIG | Unknown Developer | Utviklerfiler | Configuration File | Brackets | Adobe Systems Incorporated |
| .CP | Apple | Utviklerfiler | Xcode C++ Source File | Adobe Captivate | Adobe Systems Incorporated |
| .CPD | Adobe Systems Incorporated | Datafiler | RoboHelp Cache Project Database | Adobe RoboHelp | Adobe Systems Incorporated |
| .CPI | Sony | Videofiler | AVCHD Video Clip Information | Adobe Premiere Pro CC | Adobe Systems Incorporated |
| .CPR | Steinberg | Lydfiler | Cubase Project | Adobe Captivate | Adobe Systems Incorporated |
| .CPS | Interscape | Spillfiler | The Powder Toy Save File | Adobe Captivate | Adobe Systems Incorporated |
| .CR2 | Canon Inc. | Kamera Raw-Filer | Canon Digital Camera Raw Image File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .CRW | Canon Inc. | Kamera Raw-Filer | Canon Raw CIFF Image File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .CS | Microsoft Corporation | Utviklerfiler | C# Source Code File | Adobe Dreamweaver | Adobe Systems Incorporated |
| .CSF | Intergraph Corporation | GIS-filer | GeoMedia Coordinate System File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .CSH | Adobe Systems Incorporated | Uvanlige filer | Photoshop Custom Shapes File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .CSN | Adobe Systems Incorporated | Utviklerfiler | Adobe Code Snippet Document | Adobe Dreamweaver | Adobe Systems Incorporated |
| .CST | Smith Micro Software | Sideutformingsfiler | Manga Studio Story File | Adobe Director | Adobe Systems Incorporated |
| .CT | Unknown Developer | Spillfiler | Cheat Engine Cheat Table | Adobe Photoshop | Adobe Systems Incorporated |
| .CTP | Cake Software Foundation | Utviklerfiler | CakePHP Template | Adobe Dreamweaver | Adobe Systems Incorporated |
| .CXT | Omron Corporation | Utviklerfiler | CX-Programmer Project Text File | Adobe Director | Adobe Systems Incorporated |
| .DAE | Sony | 3D-bildefiler | Digital Asset Exchange File | Adobe Photoshop CC | Adobe Systems Incorporated |
| .DATA | Appricon | Datafiler | Analysis Studio Offline Data | Adobe Soundbooth | Adobe Systems Incorporated |
| .DBF | dBase, LLC | Databasefiler | Database File | JetForm FormFlow | Adobe Systems Incorporated |
| .DBM | Adobe Systems Incorporated | Web-Filer | ColdFusion Server File | Adobe ColdFusion Builder | Adobe Systems Incorporated |
| .DC2 | Kodak | Rasterbildefiler | Kodak Digital Camera RAW Image File | Adobe Photoshop | Adobe Systems Incorporated |
| .DCM | National Electrical Manufacturers Association (NEMA) | Rasterbildefiler | DICOM Image File Format | Adobe Photoshop | Adobe Systems Incorporated |
| .DCP | Embarcadero Technologies | Utviklerfiler | Delphi Compiled Package | Adobe Photoshop CC | Adobe Systems Incorporated |
| .DCS | Quark Software Inc. | Vektorbildefiler | Desktop Color Separation File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .DCX | ZSoft Corporation | Rasterbildefiler | Zsoft Multi-Page Paintbrush File | Adobe Photoshop | Adobe Systems Incorporated |
| .DDS | Microsoft Corporation | Rasterbildefiler | DirectDraw Surface | Adobe Photoshop | Adobe Systems Incorporated |
| .DEU | Adobe Systems Incorporated | Datafiler | Adobe Reader German Language File | Adobe Reader | Adobe Systems Incorporated |
| .DFM | Open Source | Tektfiles | Pascal File | ExtendScript Toolkit (ESTK) | Adobe Systems Incorporated |
| .DHY | Adobe Systems Incorporated | Datafiler | Adobe Bridge Information File | Adobe Bridge CC | Adobe Systems Incorporated |
| .DIB | The GIMP Development Team | Rasterbildefiler | Device Independent Bitmap File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .DIM | Active@ Data Recovery Software | Backupfiler | Active@ Raw Disk Image Backup File | Adobe Dimensions | Adobe Systems Incorporated |
| .DIR | Adobe Systems Incorporated | Videofiler | Adobe Director Movie | Adobe Director | Adobe Systems Incorporated |
| .DLG | Crytek | Spillfiler | Crysis Dialogue Data File | ExtendScript Toolkit (ESTK) | Adobe Systems Incorporated |
| .DLM | AKAMAI | Uvanlige filer | Akamai Download Manager File | Adobe Creative Cloud | Adobe Systems Incorporated |
| .DLV | Dassault Systèmes | CAD-filer | CATIA 4 Export File | Adobe Acrobat DC | Adobe Systems Incorporated |
| .DLX | DIAL | CAD-filer | DIALux Document | Adobe Premiere Pro CC | Adobe Systems Incorporated |
| .DMV | Adobe Systems Incorporated | Innstillingsfiler | Adobe Acrobat Catalog Data | Adobe Acrobat DC | Adobe Systems Incorporated |
| .DNG | Adobe Systems Incorporated | Kamera Raw-Filer | Digital Negative Image File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .DOG | Ubisoft Blue Byte | Spillfiler | Dogz Dog Description File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .DPX | Kodak | Rasterbildefiler | Digital Picture Exchange File | Adobe SpeedGrade | Adobe Systems Incorporated |
| .DRT | Micrografx | Grafiske filer | Micrografix Windows Draw Template File | Adobe Director | Adobe Systems Incorporated |
| .DRX | Adobe Systems Incorporated | Datafiler | Adobe Photoshop Tutorial Data | Adobe Photoshop | Adobe Systems Incorporated |
| .DV | Roxio | Videofiler | Digital Video File | Adobe Flash Professional CC | Adobe Systems Incorporated |
| .DWG | Autodesk, Inc. | CAD-filer | AutoCAD Drawing Database File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .DWS | Autodesk, Inc. | CAD-filer | AutoCAD Drawing Standards File | Adobe Dreamweaver | Adobe Systems Incorporated |
| .DWT | Adobe Systems Incorporated | Web-Filer | Dreamweaver Web Page Template | Adobe Dreamweaver | Adobe Systems Incorporated |
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