| drw | Micrografx Designer Drawing |
| drw | PTC Creo Drawing Document |
| drwdot | SolidWorks Drawing Template |
| ds4 | Micrografx Designer Document |
| dsd | Autodesk Drawing Set Description |
| dsf | Micrografx Designer Document |
| dsml | Directory Services Markup Language Document |
| dsn | Proteus Electronics Design |
| dsv | Delimiter-Separated Values |
| dtc | Weresc CADE Drawing |
| dtd | Document Type Definition |
| dtg | Desktop Guitarist Music Score |
| dtp | Publish-It Document |
| dtx | Fiberworks Document |
| dtz | Circulus DigiGraph Document |
| dvg | Micrografx Graphics Works Document |
| dvi | Device Independent File |
| dw | DesignWorkshop Data |
| dw2 | DesignCAD for Windows 2D Drawing |
| dw4 | DisplayWrite 4 Document |
| dwb | VariCAD 2D/3D Document |
| dwdoc | DrawWell Document |
| dwf | Autodesk Design Web Format |
| dwfdot | Altium Designer Draftsman Document Template |
| dwfx | Autodesk DWF XPS Document |
| dwg | Autodesk AutoCAD Drawing |
| dwsdot | Altium Designer Draftsman Sheet Template |
| dwt | Autodesk AutoCAD Template |
| dwt | Dreamweaver Web Template File |
| dwx | CADLock Locked AutoCAD Drawing |
| dx | DEC DX Document |
| dxa | hsbCAD Document |
| dxb | Duxbury Braille Document |
| dxb | Autodesk Drawing Interchange Binary |
| dxd | Diogenes Extended Document |