| .dsb |
Dell DataSafe Backup File |
| .ddcx |
DivX Descriptor 2 File |
| .disco |
DISCO Discovery Document |
| .dlc |
Download Link Container File |
| .dxp |
CDBurnerXP Data Compilation File |
| .dbproj |
Visual Studio Database Project File |
| .dbml |
Visual Studio OR Design File |
| .dsd |
AutoCAD Drawing Set Description File |
| .dvds |
DVDStyler Project File |
| .dbr |
DeepBurner Disc Project |
| .dxl |
Domino XML Language File, DOORS Extension Language file |
| .dita |
DITA Document |
| .ditamap |
DITA Topic Map File |
| .duck |
Cyberduck Bookmark |
| .daschema |
RemObjects Data Abstract Schema File |
| .daconnections |
RemObjects Data Abstract Connections File |
| .dgml |
Visual Studio Directed Graph Document |
| .dvtcolortheme |
Xcode Color Theme File |
| .dtsconfig |
SSIS Package Configuration File |
| .dbm |
ColdFusion Server File |
| .dsx |
DAZ Studio XML File |
| .desc |
Battlefield 2 Map Description File |
| .daconfig |
RemObjects Data Abstract Configuration File |
| .dpv |
Siemens NX Drafting Standard File |