| dwl2 | Autodesk AutoCAD Drawing Lock |
| dwm | Davis-Wilder Mann Format File |
| dwm | DESQview DWM Data |
| dwp | Microsoft Sharepoint Web Part Description |
| dwq | Dreamweaver Saved Query |
| dwr | Dreamweaver Saved Query |
| dwr | Netop Remote Control Recorded Session |
| dws | Adobe Dreamweaver Site Cache |
| dws | AutoCAD Drawing Standards |
| dws | Netop Remote Control Script |
| dwx | DesignWorks Viewer Tools Data |
| dx | JCAMP-DX Format Data |
| dx | OpenDX Data |
| dx | Oracle Siebel Transaction Data |
| dx1 | JCAMP-DX Format Data |
| dx1 | Linguistica 5 Dictionary Data |
| dx2 | Oracle Siebel Compiled Repository Data |
| dx2 | Oracle Siebel Transaction Data |
| dxf | Micrografx Picture Publisher Special Effect Data |
| dxi | PayWindow Database |
| dxl | Dapyx MP3 Explorer Data |
| dxl | Lotus Domino Server XML Data |
| dxlamp | DIALux Lamp Exchange Data |
| dxls | DashXL Skin Set |
| dxmodule | DX Studio Module |
| dxo | DxO Optics Pro Metadata |
| dxr | Green Building Advisor Data |
| dxscene | DX Studio Scene |
| dxstream | DX Studio Stream |
| dxtheme | DesktopX Theme File |
| dxtorylic | Dxtory Licence Data |
| dxv | DocXchanger Vector Data |
| dxx | Autodesk AutoCAD Drawing Interchange Attribute |
| dym | DynMenu Menu Data |
| dyn | Desktop Dyno2000 Engine Simulation Data |
