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