| .dsgm |
DS Game Maker Project |
| .drf |
VIZ Render File |
| .dbpro |
DarkBASIC Professional Project File |
| .dcuil |
Delphi .NET Compiled Unit File |
| .dpkw |
Delphi Package |
| .dgml |
Visual Studio Directed Graph Document |
| .dgsl |
Visual Shader Graph File |
| .dm1 |
ER/Studio Data Model File |
| .dmd |
SQL Developer Data Modeler File |
| .deviceids |
Device Identification FIle |
| .diff |
Patch File |
| .dart |
Dart Source Code File |
| .diagsession |
Diagnostics Session File |
| .dev |
Dev-C++ Project File |
| .dylib |
Mach-O Dynamic Library |
| .dsym |
Xcode Debug Symbols File |
| .dep |
Windows Dependency File |
| .dis |
Oracle Discoverer Workbook |
| .dfk |
Dark Flow Project File |
| .ddd |
GLBasic 3D Data File |
| .dabriefcase |
RemObjects Data Abstract File Briefcase |
| .daconfig |
RemObjects Data Abstract Configuration File |
| .dres |
Delphi Compiled Resource File |
| .ddp |
Delphi Diagram Portfolio File |