List of Data File Formats Starting with the Letter "D"
| .d | D programming language source code |
| GBG DraftMaker Drawing File | |
| .d00 | Blaster Master Pro File |
| AdLib Format File | |
| .d10 | H&R Block Deduction Pro file |
| Drake Software Dat file | |
| .d2s | Character file (Diablo 2) |
| .d3d | File Extension for Desktop-3D Notes |
| Compressed Draw 3D file | |
| .d64 | Commodore 64 Emulator Disk Image |
| .dat | Data file in special format or ASCII |
| Gunlok Archive | |
| Mitsubishi DJ-1000 and Photorun Native Format | |
| Nascar Racing Archive | |
| SPOT Graphic | |
| WordPerfect Merge Data | |
| .data | Sid Tune audio file |
| .day | Journal file |
| .db | Configuration (dBASE IV - dBFast) |
| Database (Paradox - Smartware) | |
| .db$ | Temperature debug info (Clarion Modula-2) |
| Temporary file (dBASE) | |
| .db2 | Database (dBASE II) |
| .db3 | Database (dBASE III) |
| .dba | Datafile (DataEase) |
| Palm Desktop Date Book Archive | |
| .dbb | ANSYS Database Backup |
| Mopheus music file | |
| .dbd | Business data (Business Insight) |
| Debug info (Clarion Modula-2) | |
| .dbf | Database file (dBASE III/IV - FoxPro - dBFast - DataBoss) |
| Oracle 8.x Tablespace File | |
| .dbg | Symbolic debugging information (MS C/C++) |
| .dbk | Database backup (dBASE IV) |
| .dbl | Windows XP Activation file |
| .dbm | Datafile (DataEase) |
| Cold Fusion Template | |
| Menu template (DataBoss) | |
| .dbo | Compiled program (dBASE IV) |
| .dbs | Database in SQL Windows format |
| Datafile (PRODAS) | |
| Printer description file (Word - Works) | |
| .dbt | Data Base Text (Clipper) |
| Foxbase+ style memo (FoxPro) | |
| Memo file for database w/same name (dBASE IV - dBFast) | |
| .dbw | Windows file (DataBoss) |
| .dbx | Database |
| DataBeam Image | |
| MS Visual Foxpro Table | |
| Outlook Express e-mail folder file | |
| .dca | Document Content Architecture text file (IBM DisplayWrite) |
| .dcf | Disk image file |
| .dcm | DCM Module Format |
| Dicom | |
| .dcp | Data CodePage (OS/2) |
| .dcr | Kodak Proprietary Image Format |
| Shockwave file | |
| .dcs | Bitmap graphics (CYMK format) (QuarkXPress) |
| Datafile (ACT! Activity Files) | |
| .dct | Database dictionary (Clarion Database Developer) |
| Spell checking dictionary (Harvard Graphics 3.0 - Symphony) | |
| .dcx | FAX Image |
| ElectraSoft Fax | |
| PC-Paintbrush file | |
| Bitmap Graphics (Multipage PCX) | |
| Macros | |
| MS Visual Foxpro Database Container | |
| .dd | Compressed Macintosh file archive created by DISKDOUBLER |
| .ddat | DivX Temporary file |
| .ddb | Bitmap graphics |
| .ddc | DivX Descriptor Description File |
| .ddf | MS Data Definition Language file |
| .ddi | Diskdupe Image file (ddupe322.zip) |
| .ddp | Device Driver Profile file (OS/2) |
| .de | MetaProducts Download Express incompletely downloaded file |
| .de7 | Dance E jay 7 File |
| .deb | Debug script (DOS Debug) |
| .dec | VersaPro Declaration file |
| .def | Assembly header file (Geoworks) |
| DATAIR data entry format file | |
| Defaults - definitions | |
| .dem | Demonstration |
| Graphics (VistaPro) | |
| .des | Description Text |
| Tribes 2 Game file | |
| Quickbooks Template | |
| Pro/DESKTOP file | |
| Interscope BlackBox file | |
| .dev | Device driver |
| .dfd | Data Flow Diagram graphic (Prosa) |
| .dff | Criterion RenderWare 3.x 3D object format |
| .dfi | Outline font description (Digifont) |
| .dfl | Default program settings (Signature) |
| FreshDownloads (FreshDownload List temp file) | |
| File Extension for Desktop-3D Notes | |
| .dfm | Data Flow Diagram model file (Prosa) |
| .dfs | Delight Sound file |
| .dft | Fakt2000 file |
| SolidEdge CAD file | |
| Workshare Synergy file | |
| PC Draft file | |
| .dfv | Printing form (Word) |
| .dfx | Drafix file |
| .dgn | Graphics (MicroStation) |
| .dgr | Fax Page (MS Outlook Express) |
| DART Pro 98 File Group Details | |
| .dgs | Diagnostics |
| .dh | Dependency information for .ph (Geoworks) |
| .dhp | Dr. Halo PIC Format graphics (Dr. Halo II - III) |
| .dht | Datafile (Gauss) |
| .dhy | Adobe Bridge file |
| .dia | Diagraph graphics (Computer Support Corporation) |
| .dib | Bitmap graphics (Device-Independent Bitmap) |
| .dic | Lotus Notes / Domino dictonary file |
| .dif | Database (VisiCalc) |
| Output from Diff command - script for Patch command | |
| Text file (Data Interchange Format) | |
| .dig | Digilink Format |
| Sound Designer Audio File | |
| Text Document | |
| .dip | Graphics |
| .dir | Adobe Director Movie File |
| Dialing directory file (Procomm Plus) | |
| Directory file (VAX) | |
| Movie (MacroMind Director 4.x) | |
| .dis | DATAIR data import specification file |
| Distribution file (VAX Mail) | |
| Thesaurus (CorelDraw) | |
| > | |
| .divx | DivX Encoded Movie file |
| .diz | Description file (Description In Zip) |
| .dje | MattBatt iAM-player |
| .djv | DJVu Scanned file |
| .djvu | DJVu file |
| .dkb | Raytraced graphics (DKBTrace) |
| .dl | Animation (Italian origin) |
| .dl_ | Compressed .dll file in an Install Archive |
| .dld | Data (Lotus 1-2-3) |
| .dlg | Dialog resource script file (MS Windows SDK) |
| .dll | Dynamic Link Library (Windows 3.x - OS/2) |
| Export/import filter (CorelDRAW) | |
| .dls | Setup (Norton Disklock) |
| .dmf | Delusion/XTracker digital music file |
| Packed Amiga Disk Image | |
| .dmg | Macintosh OS X Disk Image file |
| .dml | Medical Manager DML System Script |
| .dmo | Demo (Derive) |
| .dmp | Dump file (eg. screen or memory) |
| .dms | Compressed Amiga file archive created by DISKMASHER |
| .dmsk | DivX Web Player Temporary file |
| .dna | Desktop DNA data storage file |
| .dnasym | Desktop DNA compiled application script |
| .dnax | Desktop DNA exclusion list (text) |
| .dne | Netica Bayes net file (Norsys Software Corp.) |
| .dng | Adobe Digital Negative fFile |
| Dungeon file | |
| .dnl | DigitalWebBook Electronic Book |
| netMod Modem Firmware Upgrade file | |
| .do | ModelSim Filter Design HDL Coder |
| .doc | Document text file |
| .docm | Open XML Macro-enabled Document file (Microsoft Word 2007 / Word 2010) |
| .docx | Open XML Document text file (Microsoft Office 2007 / Office 2010) |
| .dog | Screen file (Laughing Dog Screen Maker) |
| .doh | Dependency information for .poh (Geoworks) |
| .dol | Nintendo Executable file |
| .dos | External command file (1st Reader) |
| Network driver (eg. pkt_dis.dos) | |
| Text file containing DOS specific info | |
| .dot | Line-type definition file (CorelDRAW) |
| Template (Word for Windows) | |
| .dotx | Microsoft Word 2007 / Word 2010 Template file |
| .dox | Text file (MultiMate 4.0) |
| .doz | Description Out of Zip (VENDINFO) |
| .dp | Calendar file (Daily Planner) |
| Data file (DataPhile) | |
| .dpg | Nintendo DS MPEG Video File |
| .dpk | Delphi Package file |
| .dpp | Serif DrawPlus Drawing |
| .dpr | Default project- and state-related information (Borland C++) |
| .dps | DivX Player Skin file |
| .dpt | Desktop DNA template |
| .dpx | Digital moving picture exchange format |
| .dra | Map Maker Pro GIS vector layer |
| .drs | Display Resource (WordPerfect for Win) |
| .drv | Device driver eg. for printer |
| .drw | Drawing (various) |
| Vector graphics (Micrografx Designer) | |
| .ds | Twain Data Source file |
| .ds4 | Vector graphics (Micrografx Designer 4.0) |
| .dsa | DasyTec DASYLab file |
| .dsb | DasyTec DASYLab file |
| .dsc | Discard file (Oracle) |
| .dsd | Database (DataShaper) |
| .dsf | Micrografx Designer |
| PC-TRUST Document Signer | |
| Delusion/XTracker Digital Sample | |
| .dsk | Project desktop file (Borland C++ - Turbo Pascal) |
| Simple IDs (database) | |
| .dsm | Digital sound module (DSI) |
| .dsn | ODBC Data Source file |
| Design (Object System Designer) | |
| .dsp | Display parameters (Signature) |
| Graphics display driver (Dr.Halo) | |
| MS Developer Studio Project | |
| ReaderX and DragonStar Pro Ltd file extensions | |
| .dsp2 | ReaderX and DragonStar Pro Ltd file extensions |
| .dsr | Driver Resource (WordPerfect for Win) |
| .dss | Screensaver file (DCC) |
| Sound (Digital Soup) | |
| .dst | PC-RDist Distribution file |
| Embroidery Machine Stitch file (VeePro) | |
| .dsw | Desktop settings (Borland C++ 4.5) |
| .dsy | PC Draft Symbol Library |
| .dt_ | Data fork of a Macintosh file (Mac-ette) |
| .dta | Data file (Turbo Pascal - PC-File - Stata) |
| .dtd | SGML Document Definition file |
| .dtf | Database file (PFS - Q&A) |
| .dtp | Document (Timeworks Publisher3) |
| Publication (Publish-It!) | |
| .dup | Duplicate Backup |
| .dus | Readiris font dictionary |
| .dvc | Data (Lotus 1-2-3) |
| .dvf | DV Studio Camcorder Graphics file |
| .dvi | Device Independent document (TeX) |
| .dvp | Desqview Program Information file (DESQview) |
| Device parameter file (AutoCAD) | |
| .dvr | Windows Media Center Recorded file |
| DR-92 Manager file | |
| .dvr-ms | files created by Stream Buffer Engine(SBE) |
| .dw2 | Drawing (DesignCAD for windows) |
| .dwc | Compressed file archive created by DWC (dwc-a501.exe) |
| .dwd | Davka Writer file |
| DiamondWare Digitized file | |
| .dwf | Autodesk WHIP! Drawing Web file |
| MS WHIP autoCAD REader Drawing Web file | |
| .dwg | Drawing (Drafix) |
| Drawing database (AutoCAD) | |
| .dwk | DADiSP Worksheet File |
| .dwl | Drawing Lock file |
| .dwt | AutoCAD Template/Prototype file |
| Macromedia Dreamweaver Template file | |
| Demon's World Game Texture file | |
| .dwz | DVD movieFactory 3 |
| .dx | Text file (DEC WPS/DX format - DEC WPS Plus) |
| .dxf | Drawing Interchange File Format vector graphics (AutoCAD) |
| .dxn | Fax (Fujitsu dexNET) |
| .dxr | Adobe Director Movie File |
| Dependable Strengths Administrator Resources | |
| Green Building Advisor file | |
| Macromedia Director Protected Movie file | |
| .dyc | ICUII Videochat file |
| .dylib | Apple osx extension for lib |
| .dyn | Data (Lotus 1-2-3) |
| .dz | Dzip Compressed file |
