| .DAH | Indigo Rose | Arquivos de imagem Raster | AutoPlay Media Studio Splash Image | AutoPlay Media Studio | Indigo Rose |
| .DAT | Unknown Developer | Arquivos de imagem Raster | Game Data | Dragon UnPACKer | Open Source |
| .DC2 | Kodak | Arquivos de imagem Raster | Kodak Digital Camera RAW Image File | Adobe Photoshop | Adobe Systems Incorporated |
| .DCM | National Electrical Manufacturers Association (NEMA) | Arquivos de imagem Raster | DICOM Image File Format | Adobe Photoshop | Adobe Systems Incorporated |
| .DCX | ZSoft Corporation | Arquivos de imagem Raster | Zsoft Multi-Page Paintbrush File | Adobe Photoshop | Adobe Systems Incorporated |
| .DDB | Avid Technology | Arquivos de imagem Raster | Digidesign Database | Avid Pro Tools | Avid Technology |
| .DDS | Microsoft Corporation | Arquivos de imagem Raster | DirectDraw Surface | Adobe Photoshop | Adobe Systems Incorporated |
| .DDT | Sports Interactive | Arquivos de imagem Raster | Football Manager Keep Player Data File | Football Manager 2016 | Sports Interactive |
| .DGC | Shin-ichi Tsuruta | Arquivos de imagem Raster | DGCA File Archive | DGCA | Shin-ichi Tsuruta |
| .DGT | Interscape | Arquivos de imagem Raster | Digital Gallery File | Digital Gallery | Interscape |
| .DIB | The GIMP Development Team | Arquivos de imagem Raster | Device Independent Bitmap File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .DIC | National Electrical Manufacturers Association (NEMA) | Arquivos de imagem Raster | DICOM Image File | GIMP | The GIMP Development Team |
| .DICOM | National Electrical Manufacturers Association (NEMA) | Arquivos de imagem Raster | DICOM Image File | GIMP | The GIMP Development Team |
| .DJV | LizardTech | Arquivos de imagem Raster | DjVu Compressed Image Format | Canvas X | ACD Systems |
| .DJVU | LizardTech | Arquivos de imagem Raster | DjVu Image | ACD Systems ACDSee | ACD Systems |
| .DM3 | Gatan | Arquivos de imagem Raster | DigitalMicrograph Image | ImageJ | National Institutes of Health (NIH) |
| .DMI | BYOND | Arquivos de imagem Raster | BYOND Dream Maker Icon File | BYOND | BYOND |
| .DOL | Nintendo | Arquivos de imagem Raster | GameCube Executable File | Dolphin (emulator) | Dolphin Emulator Project |
| .DOO | Atari Corporation | Arquivos de imagem Raster | Atari Doodle Image | Unknown Software | Unknown Developer |
| .DPX | Kodak | Arquivos de imagem Raster | Digital Picture Exchange File | Adobe SpeedGrade | Adobe Systems Incorporated |
| .DRL | Gerber Technology | Arquivos de imagem Raster | Gerber Drill Rack File | Altium Designer | Altium |
| .DRZ | Unknown Developer | Arquivos de imagem Raster | Draz Paint File | XnView MP | XnSoft |
| .DT2 | Microsoft Corporation | Arquivos de imagem Raster | Windows Live Messenger Emoticon Image File | Microsoft Windows Live Messenger | Microsoft Corporation |
| .DTW | Netzwelt | Arquivos de imagem Raster | Desktop Wallpaper | My Better Desktop Full Suite | Netzwelt |
| .DVL | Dalim Software | Arquivos de imagem Raster | Virtual Library File | Dalim Virtual Library | Apple |
| .DZI | Microsoft Corporation | Arquivos de imagem Raster | PhotoSynth Deep Zoom Image File | Microsoft PhotoSynth | Microsoft Corporation |
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