| .dws |
Dyalog Workspace File |
| .dcl |
AutoCAD Dialog Definition File |
| .dxx |
AutoCAD Drawing Interchange Attribute File |
| .dcpr |
Adobe DNG Camera Profile Recipe File |
| .dcst |
Adobe InDesign Document Presets File |
| .dzt |
DirectorZone Title File |
| .div |
DIVA-GIS Project File |
| .dix |
DIVA-GIS Export File |
| .diagcab |
Troubleshooting Pack Cabinet File |
| .dc2 |
DesignCAD 2D ASCII Drawing |
| .dmo |
Cube 2: Sauerbraten Demo File |
| .dv2 |
Divinity 2 Data File |
| .dia |
Do It Again Task File |
| .der |
DER Certificate File |
| .dbs |
SQLBase Database File |
| .dsgm |
DS Game Maker Project |
| .dcmf |
DiskCatalogMaker Catalog |
| .dl_ |
Compressed DLL File |
| .dtapart |
DownThemAll! Partially Downloaded File |
| .dit |
Active Directory Information Tree File |
| .drf |
VIZ Render File |
| .dnf |
Duke Nukem Forever Map File |
| .dns |
Duke Nukem Forever Save File |
| .dpa |
DrawPlus Animation File |