| .DAT | Unknown Developer | Rasterbilddateien | Game Data | Dragon UnPACKer | Open Source |
| .DC2 | Kodak | Rasterbilddateien | Kodak Digital Camera RAW Image File | Adobe Photoshop | Adobe Systems Incorporated |
| .DCM | National Electrical Manufacturers Association (NEMA) | Rasterbilddateien | DICOM Image File Format | Adobe Photoshop | Adobe Systems Incorporated |
| .DCX | ZSoft Corporation | Rasterbilddateien | Zsoft Multi-Page Paintbrush File | Adobe Photoshop | Adobe Systems Incorporated |
| .DDB | Avid Technology | Rasterbilddateien | Digidesign Database | Avid Pro Tools | Avid Technology |
| .DDS | Microsoft Corporation | Rasterbilddateien | DirectDraw Surface | Adobe Photoshop | Adobe Systems Incorporated |
| .DDT | Sports Interactive | Rasterbilddateien | Football Manager Keep Player Data File | Football Manager 2016 | Sports Interactive |
| .DGC | Shin-ichi Tsuruta | Rasterbilddateien | DGCA File Archive | DGCA | Shin-ichi Tsuruta |
| .DGT | Interscape | Rasterbilddateien | Digital Gallery File | Digital Gallery | Interscape |
| .DIB | The GIMP Development Team | Rasterbilddateien | Device Independent Bitmap File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .DIC | National Electrical Manufacturers Association (NEMA) | Rasterbilddateien | DICOM Image File | GIMP | The GIMP Development Team |
| .DICOM | National Electrical Manufacturers Association (NEMA) | Rasterbilddateien | DICOM Image File | GIMP | The GIMP Development Team |
| .DJV | LizardTech | Rasterbilddateien | DjVu Compressed Image Format | Canvas X | ACD Systems |
| .DJVU | LizardTech | Rasterbilddateien | DjVu Image | ACD Systems ACDSee | ACD Systems |
| .DM3 | Gatan | Rasterbilddateien | DigitalMicrograph Image | ImageJ | National Institutes of Health (NIH) |
| .DMI | BYOND | Rasterbilddateien | BYOND Dream Maker Icon File | BYOND | BYOND |
| .DOL | Nintendo | Rasterbilddateien | GameCube Executable File | Dolphin (emulator) | Dolphin Emulator Project |
| .DOO | Atari Corporation | Rasterbilddateien | Atari Doodle Image | Unknown Software | Unknown Developer |
| .DPX | Kodak | Rasterbilddateien | Digital Picture Exchange File | Adobe SpeedGrade | Adobe Systems Incorporated |
| .DRL | Gerber Technology | Rasterbilddateien | Gerber Drill Rack File | Altium Designer | Altium |
| .DRZ | Unknown Developer | Rasterbilddateien | Draz Paint File | XnView MP | XnSoft |
| .DT2 | Microsoft Corporation | Rasterbilddateien | Windows Live Messenger Emoticon Image File | Microsoft Windows Live Messenger | Microsoft Corporation |
| .DTW | Netzwelt | Rasterbilddateien | Desktop Wallpaper | My Better Desktop Full Suite | Netzwelt |
| .DVL | Dalim Software | Rasterbilddateien | Virtual Library File | Dalim Virtual Library | Apple |
| .DZI | Microsoft Corporation | Rasterbilddateien | PhotoSynth Deep Zoom Image File | Microsoft PhotoSynth | Microsoft Corporation |
| .ECP | Intelitek | Rasterbilddateien | EasyC Project File | EasyC | Intelitek |
| .ECW | ESRI (Environmental Systems Research Institute) | Rasterbilddateien | Enhanced Compression Wavelet Image | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
| .ED | ANDOR Co, Ltd | Rasterbilddateien | EasyDraw CAD File | EasyDraw | ANDOR Co, Ltd |
| .ED5 | United States Department of Defense | Rasterbilddateien | EDMICS Picture Image File | EDMICS (Engineering Data Management Information) | United States Department of Defense |
| .EDB | Microsoft Corporation | Rasterbilddateien | Exchange Information Store Database | Microsoft Exchange Server | Microsoft Corporation |
| .EGC | EximiousSoft | Rasterbilddateien | GIF Creator Project | GIF Creator | EximiousSoft |
| .EI | EIAS3D | Rasterbilddateien | Electric Image | Electric Image Animation System (EIAS) | EIAS3D |
| .EPA | Award Software Inc. | Rasterbilddateien | Award BIOS Logo Image Format | Recoil | Piotr Fusik |
| .EPP | Talasoft | Rasterbilddateien | TalaPhoto Project | TalaPhoto | Talasoft |
| .ERI | XnSoft | Rasterbilddateien | ERI-chan (Entis Rasterized Image) Image Format | XnView MP | XnSoft |
| .ESM | Bethesda Softworks | Rasterbilddateien | Bethesda Softworks Master File | Bethesda Softworks TES Construction Set | Bethesda Softworks |
| .EXR | Adobe Systems Incorporated | Rasterbilddateien | OpenEXR Image | Adobe Photoshop | Adobe Systems Incorporated |
| .FAC | Newera Software Technology, Inc. | Rasterbilddateien | FACE Graphic File | Graphics Converter Pro | Newera Software Technology, Inc. |
| .FACE | Newera Software Technology, Inc. | Rasterbilddateien | FACE Graphic File | Graphics Converter Pro | Newera Software Technology, Inc. |
| .FAX | Interscape | Rasterbilddateien | Now Contact Fax Template | Now Up-to-Date (Now Contact) | Now Software |
| .FBM | Michael Loren "Fuzzy" Mauldin | Rasterbilddateien | Fuzzy Bitmap Image | Graphics Converter Pro | Newera Software Technology, Inc. |
| .FI | Microsoft Corporation | Rasterbilddateien | Fortran Interface Data | Fortran | IBM |
| .FIL | dBase, LLC | Rasterbilddateien | Files List Object File | dBase | dBase, LLC |
| .FITS | Open Source | Rasterbilddateien | Flexible Image Transport System File | GIMP | The GIMP Development Team |
| .FLI | Autodesk, Inc. | Rasterbilddateien | FLIC Animation | Apple QuickTime Player | Apple |
| .FMJ | Luxand | Rasterbilddateien | FaceMorpher Project File | FaceMorpher | Luxand |
| .FP2 | Piotr Fusik | Rasterbilddateien | Funpaint Picture Image | Recoil | Piotr Fusik |
| .FPG | The Game Creators | Rasterbilddateien | FPS Creator Game Project File | FBS Creator | The Game Creators |
| .FPPX | Microsoft Corporation | Rasterbilddateien | Microsoft Fresh Paint Painting File | Microsoft Fresh Paint | Microsoft Corporation |
| .FPX | Kodak | Rasterbilddateien | FlashPix Bitmap Image File | Kodak EasyShare | Kodak |
| .FRM | Oracle Corporation | Rasterbilddateien | MySQL Database Format File | MySQL | Oracle Corporation |
| .FSY | XnSoft | Rasterbilddateien | PhotoFantasy Image | PhotoFantasy | ArcSoft |
| .FUN | 3D Systems | Rasterbilddateien | Cubify Invention File | Cubify Invent | 3D Systems |
| .FWA | Piotr Fusik | Rasterbilddateien | Fun With Art Picture Image | Recoil | Piotr Fusik |
| .G3 | International Telegraph and Telephone Consultative Committee (CCITT) | Rasterbilddateien | CCITT Group 3 Fax Image | GIMP | The GIMP Development Team |
| .GFB | Open Source | Rasterbilddateien | GIFBlast Compressed Image File | GIFBlast | Open Source |
| .GIF | The GIMP Development Team | Rasterbilddateien | Graphical Interchange Format File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .GIF89A | ACD Systems | Rasterbilddateien | GIF 89A Image File | ACDSee Photo Manager | ACD Systems |
| .GIG | Piotr Fusik | Rasterbilddateien | Koala Painter Picture Image | Recoil | Piotr Fusik |
| .GIH | Gimpel Software | Rasterbilddateien | GIMP Image Hose File | GIMP | The GIMP Development Team |
| .GIM | Sony | Rasterbilddateien | PlayStation Portable Image File | RCO Editor | Open Source |
| .GIS | Zaplots Games, Inc. | Rasterbilddateien | CFS Console Game Installer Settings File | CFS Console | Zaplots Games, Inc. |
| .GMD | YoYo Games | Rasterbilddateien | Game Maker Program Code | GameMaker Studio | YoYo Games |
| .GP4 | Arobas Music | Rasterbilddateien | Guitar Pro 4 Tablature | TuxGuitar | Julian Gabriel Casadesus and Others |
| .GPD | Microsoft Corporation | Rasterbilddateien | Generic Printer Description File | Microsoft Windows | Microsoft Corporation |
| .GRK | Daniel Ethier | Rasterbilddateien | Gradekeeper Class Gradebook File | Gradekeeper | Daniel Ethier |
| .GRO | Open Source | Rasterbilddateien | Allegro MIDI File | Audacity | Open Source |
| .GROB | Hewlett-Packard | Rasterbilddateien | Graphic Object Bitmap File | Emu48 | Christoph Gießelink |
| .GUN | Unknown Developer | Rasterbilddateien | Gunpaint Bitmap Image | Recoil | Piotr Fusik |
| .HDP | Microsoft Corporation | Rasterbilddateien | HD Photo File | Adobe Photoshop | Adobe Systems Incorporated |
| .HDR | HDRsoft | Rasterbilddateien | High Dynamic Range Image File | HDRSoft Photomatix | HDRsoft |
| .HEIC | Moving Picture Experts Group | Rasterbilddateien | High Efficiency Image Format | Google Drive | Google |
| .HEIF | Moving Picture Experts Group | Rasterbilddateien | High Efficiency Image Format | Google Drive | Google |
| .HF | XnSoft | Rasterbilddateien | HF Image Format | XnView MP | XnSoft |
| .HIP | SideFX | Rasterbilddateien | Houdini Project File | Side Effects Houdini | SideFX |
| .HIR | Unknown Developer | Rasterbilddateien | C64 Hires Bitmap Image | XnView MP | XnSoft |
| .HLF | Eugene Roshal | Rasterbilddateien | FAR Manager Help Data | Far Manager | Eugene Roshal |
| .HMR | Bentley Systems | Rasterbilddateien | Bentley Microstation Raster Image | MicroStation | Bentley Systems |
| .HPI | Hemera Technologies | Rasterbilddateien | Hemera Photo Objects Image File | HEMERA software | Unknown Developer |
| .HR | Atari Corporation | Rasterbilddateien | Atari Picture Image File | Recoil | Piotr Fusik |
| .HRF | Hitachi Industrial Equipment Systems | Rasterbilddateien | Hitachi Raster Format File | Intergraph SmartPlant Markup | Hexagon PPM |
| .HS2 | ResearchWare Inc. | Rasterbilddateien | HyperRESEARCH Postering Monochrome Image | HyperRESEARCH | ResearchWare Inc. |
| .HSI | Handmade Software | Rasterbilddateien | Handmade Software Bitmap Image | Image Alchemy | Handmade Software |
| .HTA | Microsoft Corporation | Rasterbilddateien | HTML Application | Internet Explorer | Microsoft Corporation |
| .HV3 | Bandisoft | Rasterbilddateien | Honeyview Compressed Image | Honeyview | Bandisoft |
| .I18 | Unknown Developer | Rasterbilddateien | Pixel Power Collage | XnView MP | XnSoft |
| .I3D | SideFX | Rasterbilddateien | Houdini Image 3D File | Side Effects Houdini | SideFX |
| .IC1 | Atari Corporation | Rasterbilddateien | Low Resolution Imagic Graphics File | Lemkesoft GraphicConverter | Lemkesoft |
| .IC2 | Atari Corporation | Rasterbilddateien | Medium Resolution Imagic Graphics File | Lemkesoft GraphicConverter | Lemkesoft |
| .IC3 | Atari Corporation | Rasterbilddateien | High Resolution Imagic Graphics File | Lemkesoft GraphicConverter | Lemkesoft |
| .ICB | Avid Technology | Rasterbilddateien | Targa ICB Bitmap Image | Adobe Illustrator CC | Adobe Systems Incorporated |
| .ICN | Microsoft Corporation | Rasterbilddateien | Windows Icon File | Adobe Photoshop | Adobe Systems Incorporated |
| .ICON | The GIMP Development Team | Rasterbilddateien | Icon Image File | GIMP | The GIMP Development Team |
| .ICPR | Aha-Soft | Rasterbilddateien | IconUtils Project File | Aha-Soft IconUtils | Aha-Soft |
| .ICS | IronCAD, LLC | Rasterbilddateien | IronCAD 3D CAD Drawing File | IronCAD | IronCAD, LLC |
| .IEF | Unknown Developer | Rasterbilddateien | Bitmap Image Exchange File | Unknown Software | Unknown Developer |
| .IF9 | Unknown Developer | Rasterbilddateien | Pixel Power Collage | XnView MP | XnSoft |
| .IFL | Autodesk, Inc. | Rasterbilddateien | 3ds Max Image File List | Autodesk 3ds Max | Autodesk, Inc. |
| .ILBM | Electronic Arts | Rasterbilddateien | Interleaved Bitmap Image | IrfanView | Open Source |
| .ILD | Open Source | Rasterbilddateien | XWE Data | XWE | Open Source |
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