Computer file extensions - D
Updated: 12/26/2023 by Computer Hope
Below is a listing of each of the different file extensions that begin with the letter "D." If you are looking for a file extension that starts with a different letter, click the corresponding beginning letter below.
| D | |
|---|---|
| .D | A D programming language source file. |
| .DAA | 1. Short for Disk Access Archive file. 2. File that stores a disk image used with PowerISO. |
| .DAF | Data file for Digital Anchor. |
| .DAT | Data file, often associated or extra data for a program to use. |
| .DB | 1. Paradox database file. 2. Progress database file. |
| .DB2 | dBase II file. |
| .DBC | Microsoft Visual Foxpro database container. |
| .DBF | A dBase II, III, III+, IV database file.and LotusWorks database file. |
| .DBK | 1. A dBase database backup. 2. Orcad schematic capture backup file. |
| .DBM | Cold Fusion template. |
| .DBO | dBase IV compiled program file. |
| .DBQ | Paradox memo. |
| .DBT | dBase database text file. |
| .DBV | Flexfile memo field file. |
| .DBW | DataBoss database file. |
| .DBX | 1. Database file. 2. DataBeam image. 3. Microsoft Visual Foxpro table. |
| .DCM | Dicom file format for medical images. |
| .DCR | Digital camera RAW file format. |
| .DCX | Multipage PCX file. |
| .DDF | Diamond Directive file, providing compression settings for associated CAB files. |
| .DDS | Direct Draw surface file. |
| .DEB | Debian package file. See our Dpkg definition for full information. |
| .DEV | Device driver file. |
| .DIB | Windows bitmap file. |
| .DFF | RenderWare 3-D model file, used by RenderWare 3 graphics engine for games. |
| .DIF | 1. Document Interchange Format file. 2. VisiCalc file. |
| .DJVU | DjVu file. |
| .DLL | 1. Dynamic Link Library file. 2. Icon library file. |
| .DM | Audio file Copyright protected with DRM (digital rights management). |
| .DMD | Visual dBASE data module. |
| .DMF | Delusion/XTracker Digital Music File. |
| .DMG | Disk image file for macOS. |
| .DMO | Demo file. |
| .DMP | Dump file. |
| .DMS | Compressed archive file. |
| .DNE | Netica Bayesian network text file (opens with netica.exe). |
| .DNG | Digital camera RAW file format. |
| .DOC | Microsoft Word 2003 and earlier file, LotusWorks word processor file, and Microsoft WordPad file. An example of a Microsoft Word .doc file can be downloaded here. |
| .DOCM | Microsoft Word file with macros. |
| .DOCX | Microsoft Word 2007 and later file. Opening a Word 2007 or .docx file with older version of Word. |
| .DOS | 1. Text file. 2. DOS specification info. |
| .DOT | Microsoft Word 2003 and earlier template file. |
| .DOTM | Microsoft Word 2007 and later template file with macros. |
| .DOTX | Microsoft Word 2007 and later template file. |
| .DRV | Device driver files that attach the hardware to Windows. The different drivers are system, keyboard, pointing devices, sound, printer/plotter, network, communications adapter. OGG Dirac video file. |
| .DRW | Micrografx draw and graph files. |
| .DSN | A text file containing DSN (Data Source Name) information. |
| .DST | AutoCAD drawing sheet file. |
| .DT_ | Macintosh data file fork. |
| .DTA | Data file. |
| .DTD | SGML (standard generalized markup language) document definition file. |
| .DTF | Q&A database file. |
| .DTM | DigiRekker module. |
| .DTP | 1. SecurDesk! Desktop file. 2. Timeworks Publisher text document 3. Pressworks template file. |
| .DUN | Dial-up Networking exported file. |
| .DX | 1. Document imaging file. 2. Digital data exchange file. |
| .DXB | A drawing interchange binary file. |
| .DXF | AutoCAD or CAD (computer-aided design) drawing interchange format file. |
| .DXN | Fujitsu dexNet fax document. |
| .DXR | Macromedia Director projected movie file. |
| .DYN | Lotus 1-2-3 file. |
| .DWF | Short for Design Web Format, a DWF file is an Autodesk file that stores formatted text on the Internet. |
| .DWG | AutoCAD or CAD drawing database file. |