Extensions: 'D'
| Format | Description | Author | File / Link |
|---|---|---|---|
| D00 | Adlib player music format | Joachim Fenkes | Download |
| D64 | C64S Commodore 64 Emulator Disk Image | Download | |
| DAP | Advanced Gameboy Editor 'polyester' files | Wayne Mike | Download |
| DAT | DataFlex 2.3b .DAT format | Peter M. Grillo | Download |
| MapInfo native data format | Uffe Kousgaard | Download | |
| DBF | DBase file documentation | Download | |
| File Structure (dBASE III/dBASE IV/Foxbase/Foxpro) | Peter Mikalajunas | Download | |
| XBASE (NDX/MDX/DBF/DBT) | Erik Bachmann | LINK | |
| dBASE .DBF File Structure | Borland | Download | |
| DBX | Outlook Express 5 DBX message files | Simon Craythorn | Download |
| Outlook Express DBX files site | Arne Schloh | LINK | |
| Outlook Express Version 5.0 file format | Will Kranz | Download | |
| File format for Outlook Express 5.0 DBX files | Dave Smith | Download | |
| DC4 | ViaThinkSoft (De)Coder Format | Daniel Marschall | LINK |
| DCM | DCM Modules | Max Maischein | Download |
| DCX | DCX Graphics File Format | Marcus Lam | Download |
| DEM | US Geological Survey/National Mapping Division .DEM | LINK | |
| VistaPro Landscape Format | Download | ||
| Quake/Hexen II .DEM file format | LINK | ||
| DFF | DFF File Format | Steven Belsky | Download |
| DFF Dynamic File Format | Kreative Software | Download | |
| DGN | Intergraph Standard File Formats (Element Structure) | Frank Warmerdam | Download |
| DI | Digital Illusion format | Asle / ReDoX | Download |
| DIC | MS Word dictionary format | Pedro Ribeiro | Download |
| Babylon .DIC files Delphi utilities | Oren J. Maurice | Download | |
| DICOM | DICOM resources | LINK | |
| Dicom format information | Lead technologies | LINK | |
| Official DICOM homepage | NEMA | LINK | |
| DIF | Data Interchange Format | Download | |
| DIGI | DIGIBooster module format | Claudio Matsuoka | Download |
| DIR | Commandos: Behind Enemy Lines WARGAME.DIR file format | Download | |
| DIRECTX | DirectX 3.0 Binary Format | Download | |
| DIZ | FILE_ID.DIZ file format | Download | |
| DJVU | Complete DjVu specification (in DJVU so you need the plugin) | AT&T | LINK |
| DjVu Image Files | AT&T | LINK | |
| DM2 | Quake II recorded game format | LINK | |
| DMA | Direct Memory Access Programming | Draeden of VLA | Download |
| DMF | DMF Player Ver 0.52B - MOD Effects | Download | |
| Delusion Digital Music File Format | Download | ||
| DMO | Duke Nukem 3D/Redneck Rampage recorded games | LINK |
How to help
If you have any better information or if you find problems with these files or links please .