| .dcl |
AutoCAD Dialog Definition File |
| .dc2 |
DesignCAD 2D ASCII Drawing |
| .dc3 |
DesignCAD 3D ASCII Drawing |
| .dia |
Do It Again Task File |
| .dtsx |
DTS Settings File |
| .dxl |
Domino XML Language File, DOORS Extension Language file |
| .ditaval |
DITA Conditions File |
| .dbpro |
DarkBASIC Professional Project File |
| .ds |
DAZ Studio 1/2 Script |
| .dsa |
DAZ Studio 3+ Script |
| .dmr |
BrainVoyager Diffusion Weighted Project File |
| .dvc |
Dragon Voice Command File |
| .ddl |
Data Definition Language File |
| .drawing |
Artboard Drawing |
| .deviceids |
Device Identification FIle |
| .diff |
Patch File |
| .dsl |
Lingvo Dictionary File |
| .deft |
Juice Grinder Defaults File |
| .dupeguru |
dupeGuru Duplicate File List |
| .dbm |
ColdFusion Server File |
| .data |
Analysis Studio Offline Data File |
| .dmsm3d |
VideoWave 3D Movie Project File |
| .dep |
Windows Dependency File |
| .dfu |
iOS DFU File |