Extension  |
Description  |
Format |
MIME Type |
| D00 |
Sound; AdLib |
|
|
| D64 |
Commodore 64 Emulator Disk |
|
|
| D64 |
Commodore 64 emulator disk image file |
|
|
| DA$ |
Microsoft compressed DAT; decompress with UNPACK.EXE |
|
|
| DA0 |
Back-up of Windows Registry; see DAT |
|
|
| DAE |
Digital Asset Exchange. Standardized 3D vector graphics format from the Collada Initiative. |
[collada] |
|
| DAS |
PackRat Index |
|
|
| DAT |
System data file |
|
|
| DAT |
(2) Windows Registry; in the WINDOWS directory, SYSTEM.DAT and USER.DAT; see DA0 |
|
|
| DAT |
WordPerfect Merge Data |
|
|
| dat |
data file |
|
|
| DAT |
(3) Btrieve Database |
|
|
| DAT |
(1) System Data file |
|
|
| DAT |
Data file |
|
|
| DAT |
Extension used for some MPEG formats |
|
|
| DAX |
IBM C++; see ICC, ICS |
|
|
| db |
Paradox database file |
|
|
| db |
SmartWare database |
|
|
| DB |
Borderland's Paradox 7 tables |
|
|
| DB |
Smart Database |
|
|
| DB |
Paradox Database |
|
|
| DB |
Database; dBase; dBFast; Paradox table |
|
|
| DB$ |
Temporary; dBase; Clarion |
|
|
| DB2 |
dBase II Database |
|
|
| DB3 |
dBase III Database |
|
|
| db3 |
Paradox database file |
|
|
| DBA |
DataEase |
|
|
| DBA |
DataEase 4.x |
|
|
| dba |
DataEase database |
|
|
| DBC |
FoxPro Database container |
|
|
| DBC |
Microsoft's Visual FoxPro database container file |
|
|
| DBD |
(1) DemoShield Player |
|
|
| DBD |
(2) Clarion Modula-2 debug information |
|
|
| dbf |
database file |
|
|
| dbf |
Dbase Database File |
|
|
| DBF |
Oracle 8.1.x tablespace file |
|
|
| DBF |
Database; dBase or Clipper table |
|
|
| DBF |
Enable database file (can be opened with Excel 97) |
|
|
| DBF |
A dBASE file, a format originated by Ashton-Tate, but understood by Act!, Clipper, FoxPro, Arago, Wordtech, xBase, and similar database or database-related products. |
|
|
| DBF |
DBase III, IV, V |
|
|
| DBG |
CodeView or Intel VTune COFF-format Debugger information. |
|
|
| dbi |
|
|
|
| DBK |
dBase Backup |
|
|
| dbm |
DataEase database |
|
|
| DBM |
Data; DataEase |
|
|
| DBO |
dBase IV program |
|
|
| DBQ |
Paradox Database memo |
|
|
| DBS |
(1) Database; Structured Query Language (SQL) |
|
|
| DBT |
Database text memo field; Clipper; dBase; FoxPro |
|
|
| dbt |
database file (???memo fields) |
|
|
| DBW |
Data; DataBoss |
|
|
| DBX |
Bitmap Picture; Databeam (raster) |
|
|
| DBX |
DataBeam image |
|
|
| DBX |
Microsoft's Visual Foxpro Table |
|
|
| DC |
Vector Drawing; Delta Cad |
|
|
| DC5 |
DataCAD Drawing files |
|
|
| dca |
Visual Basic Active Designer cache file |
|
|
| DCA |
Document; IBM DisplayWrite DCA Text; Document Content Architecture |
|
|
| DCF |
HP-95 Comm program settings; see CTF |
|
|
| dci |
|
|
|
| DCL |
Inprise (Borland) Delphi Component Library |
|
|
| DCM |
Bitmap Picture; Wright Design; WDD |
|
|
| DCM |
DCM module format |
|
|
| DCP |
Delphi Compiled Package (contains symbols and header information) |
|
|
| DCP |
(2) IBM OS/2 Data Codepage |
|
|
| DCP |
(1) Terminal Program; DynaComm Script |
|
|
| DCR |
Shockwave file |
|
|
| DCR |
Delphi Component Resource (binary resource) |
|
|
| DCR |
Digital Camera RAW. Photograph from a Kodak digital camera. |
[RAW] |
|
| DCS |
Desktop Color Separation file |
|
|
| DCS |
(1) Bitmap Picture; Desktop Color Separations |
|
|
| DCS |
(3) Data; ACT! Activity |
|
|
| DCS |
(4) Color separation of EPS, often by Quark XPress |
|
|
| DCS |
(2) TIFF-like Bitmap (Quark XPress) |
|
|
| DCT |
Dictionary. Several programs use this extension. One of the more common ones is sdict. Converters between various dictionary flavors are available |
|
|
| DCT |
Microsoft's Visual FoxPro database container |
|
|
| dcu |
Delphi compiled unit |
|
|
| DCU |
Delphi Compiled Unit; object code |
|
|
| DCU |
Delphi compiled unit file |
|
|
| DCX |
FAX image (equivalent to multipage PCX). Details |
|
|
| DCX |
Microsoft's Visual FoxPro database container |
|
|
| DD |
Archive; Macintosh Disk Doubler |
|
|
| DDB |
Bitmap Picture |
|
|
| DDD |
Adobe Acrobat Distiller |
|
|
| dde |
Dynamic Data Exchange |
|
|
| ddf |
Microsoft deployment wizard CAB information file |
|
|
| ddf |
Btrieve/XQL/PervsiveSQL data dictionary file |
|
|
| DDF |
(2) Script Directives for Microsoft MakeCAB; see CAB |
|
|
| DDF |
(1) Btrieve Database index |
|
|
| DDF |
Btrieve or Xtrieve Data Definition File, which contains metadata describing a Btrieve or Xtrieve file |
|
|
| DDIF |
Digital Equipment or Compaq format. Used for storing images and their word processing documents |
|
|
| DDK |
Family Lawyer Data; see QFL |
|
|
| DDP |
OS/2 Device Driver; DLL |
|
|
| DEF |
Module Definition |
|
|
| def |
linker definition file |
|
|
| def |
definition |
|
|
| DEF |
C++ definition |
|
|
| DEF |
SmartWare II data file |
|
|
| DEFI |
Oracle 7 de-install script |
|
|
| DEM |
(1) Picture; VistaPro |
|
|
| dem |
|
|
|
| DEM |
(2) US Geological Survey National Mapping Division |
|
|
| DEM |
A file with USGS standards for Digital Elevation Models |
|
|
| DEM |
Digital Elevation Model |
|
|
| dep |
dependency file |
|
|
| deploy |
Microsoft Clickonce application |
[ms-clickonce] |
application/octet-stream |
| DER |
Certificate file |
|
|
| DER |
Internet Security Certificate; see CRT |
|
|
| DEV |
Device driver; see DLL |
|
|
| DEWF |
Macintosh SoundCap/SoundEdit recorded instrument format |
|
|
| DFD |
Picture; Prosa Data Flow |
|
|
| DFF |
|
|
|
| DFI |
Font; Digifont |
|
|
| DFL |
OLE2 DocFile |
|
|
| DFM |
(1) Prosa Data Flow Diagram |
|
|
| dfm |
|
|
|
| DFM |
(2) Inprise (Borland) C++ Builder or Delphi Form in binary |
|
|
| DFS |
Sound; Delight Sound |
|
|
| DFX |
(2) Micrografx Designer Effects |
|
|
| DFX |
(1) AutoCAD |
|
|
| DG |
Picture; Autotrol vector graphic |
|
|
| DGM |
(2) Arcland Flow Chart diagram |
|
|
| DGM |
(1) Lotus Freelance diagram |
|
|
| DGN |
Intergraph/MicroStation files |
|
|
| DGN |
Microstation |
|
|
| DGN |
Picture; MicroStation |
|
|
| DGN |
Microstation95 CAD drawing file |
|
|
| DHE |
Visual Basic Dialog Box help editor Document |
|
|
| DHP |
Bitmap Picture; Dr. Halo; see PIC |
|
|
| DHT |
Data; Gauss |
|
|
| DI |
Sound; Digital Illusion |
|
|
| DIA |
Picture; Computer Support Corporation Diagraph graphics |
|
|
| DIB |
Device Independent Bitmap. Microsoft-proprietary raster image file. The same as BMP. Details |
|
|
| DIC |
Dictionary |
|
|
| dic |
dictionary |
|
|
| DIC |
Dictionary |
|
|
| DIC |
Text file |
|
|
| DID |
Adobe Acrobat Distiller |
|
|
| DID |
Data Interchaange Format |
|
|
| DIF |
Data Interchange Format. Spreadsheet data export by Lotus |
[DIF] |
|
| DIG |
Digilink format |
|
|
| DIG |
Sound Designer I audio file |
|
|
| DIP |
Picture (?) |
|
|
| DIR |
(1) Video; MacroMind Director, Macromedia Director |
|
|
| DIR |
Macromedia Director file |
|
|
| DIR |
(2) ProComm Plus Dialing Directory phone number list |
|
|
| DIZ |
(2) Description file for Bulletin boards |
|
|
| DIZ |
(1) Contents; Text Description of a directory |
|
|
| DIZ |
Description file |
|
|
| DKB |
DKB-Trace |
|
|
| DKB |
Picture; DKBTrace |
|
|
| DL |
Bitmap Picture; Animation |
|
|
| DLD |
Data; Lotus 1-2-3 |
|
|
| DLG |
(2) Picture; Digital Line Graph |
|
|
| DLG |
Digital Line Graph |
|
|
| DLG |
C++ Dialogue Script |
|
|
| DLG |
(1) Source code for a dialog box |
|
|
| dll |
Dynamic Link Library |
|
|
| dll |
Windows Dynamic Library Link |
|
|
| DLL |
Application extension (dynamic-link library) |
|
|
| DLL |
Dynamic-link library |
|
|
| DLL |
Dynamic Link Library; Application Extension for Microsoft Windows (MIME: application/x-msdownload) |
|
|
| DLL |
Windows DLL file |
|
|
| DLS |
Downloadable sound |
|
|
| DMD |
Visual dBASE data module file |
|
|
| DMD |
Corel Data Modeling Desktop |
|
|
| DMF |
X-Trakker music module (MOD) file |
|
|
| DMO |
Duke Nukem, Redneck Rampage saved game |
|
|
| DMS |
(2) Archive; Amiga Disk Masher |
|
|
| DMS |
(1) Packrat Database index |
|
|
| dmt |
|
|
|
| DNG |
Digital Negetive. Raster image with lossless compression: details. |
|
|
| dob |
ActiveX document form file |
|
|
| DOC |
Document: First Choice 3 WP |
|
|
| doc |
Microsoft WordPad document |
|
|
| doc |
Document: IBM DisplayWrite |
|
|
| DOC |
WordStar document |
|
|
| DOC |
WordPerfect document |
|
|
| doc |
Microsoft Word document |
|
|
| DOC |
FrameMaker or FrameBuilder document |
|
|
| doc |
Lotus Manuscript document |
|
|
| doc |
SmartWare document |
|
|
| doc |
MultiMate |
|
|
| DOC |
Wang IWP files |
|
|
| DOC |
Document: Atari 1st Word |
|
|
| docm |
Document with Macros: Microsoft Office 2007 document in XML format with macros enabled |
[MSOfficeXML] |
|
| docx |
Document XML: Microsoft Office 2007 Document in XML format |
[MSOfficeXML] |
|
| DOO |
Atari |
|
|
| DOS |
(2) NDIS (network card) driver |
|
|
| DOS |
MS-DOS file (also extension for NDIS2 net card and protocol drivers) |
|
|
| DOS |
(1) MS-DOS (Driver, usually) |
|
|
| DOT |
(1) Document Template; Microsoft Word for Windows Template; see STY. |
|
|
| dot |
MSWord document template |
|
|
| DOT |
(2) Corel Draw line description |
|
|
| DOT |
Word template |
|
|
| DOT |
Microsoft Word document template |
|
|
| dotm |
Document Template with Macros: Microsoft Word 2007 template with embedded macros |
[MSOfficeXML] |
|
| dotx |
Document Template XML: Microsoft Word 2007 template |
[MSOfficeXML] |
|
| dox |
ActiveX document binary file |
|
|
| dox |
MultiMate |
|
|
| DOX |
Document; MultiMate word processor |
|
|
| DOX |
MultiMate 4.0 |
|
|
| DOX |
Microsoft ActiveX Binary Form |
|
|
| DP |
(1) Portable Document; Common Ground Digital Paper |
|
|
| DP |
(2) Daily Planner calendar |
|
|
| DPG |
Deleted program group; Windows Applications Manager; see GRP |
|
|
| DPI |
Bitmap Picture; Pointline |
|
|
| DPK |
Deleted package, Windows Applications Manager; see GRP |
|
|
| DPL |
Borland Delphi 3 packed library |
|
|
| DPR |
Include; Delphi Project main file package declarations |
|
|
| DPR |
Borland Delphi project header file |
|
|
| DPX |
Digital Moving Picture Exchange. Video. Details |
|
|
| DRAW |
Picture; Acorn |
|
|
| DRAW |
Acorn's object-based vector image file |
|
|
| DRS |
Font; Corel Draw Perfect |
|
|
| DRV |
Driver |
|
|
| drv |
Windows Device Driver |
|
|
| drv |
driver |
|
|
| DRV |
Device Driver |
|
|
| DRV |
Device driver |
|
|
| DRW |
Pro/E drawing file |
|
|
| DRW |
Lotus Freelance presentation file |
|
|
| DRW |
MicroGrafx Draw/Designer vector image file |
|
|
| DS4 |
Micrografx Designer 4.0 - 4.1 drawing; see DRW, DSF |
|
|
| DSC |
Microsoft Belief Network (MSBN analyzes and evaluates probability -- well, it's an expert system); very rare; see DSF |
|
|
| DSD |
Data; DataShaper |
|
|
| DSF |
Micrografx Designer v7.x |
|
|
| DSF |
(1) Micrografx Designer 6-7 drawing; see DS4, DRW |
|
|
| dsf |
MicroGrafx Designer |
|
|
| DSF |
(2) Microsoft Belief Network Document containing infix formula declarations (not currently used) |
|
|
| DSG |
DooM saved game |
|
|
| DSK |
(1) Archive for Lotus Smart Suite setup |
|
|
| DSK |
(2) Desktop settings for Inprise (Borland) Delphi, Turbo Pascal, C++ |
|
|
| DSM |
Dynamic Studio music module (MOD) file |
|
|
| DSM |
(2) Sound |
|
|
| DSM |
(1) Microsoft Developer Studio macro; written in VBA (Visual Basic for Applications) |
|
|
| dsm |
|
|
|
| DSN |
Object System Designer |
|
|
| DSP |
(2) Screen Driver; Dr. Halo; see DLL |
|
|
| DSP |
Microsoft Developer Studio project |
|
|
| DSP |
(1) Microsoft Developer Studio Project; replaces MAK |
|
|
| DSQ |
Corel QUERY file |
|
|
| dsr |
Active Designer binary file |
|
|
| DSS |
Sound; Digital Soup |
|
|
| DST |
Embroidery machines graphics file |
|
|
| DST |
Micrografx Designer Template |
|
|
| DSW |
Microsoft Developer Studio Workspace; replaces MDP and BLD |
|
|
| DSW |
Microsoft Developer Studio workspace |
|
|
| DTA |
Data (generic); PFS |
|
|
| DTA |
World Bank's STARS data file |
|
|
| DTB |
Digital Talking Book. XML format for audio books. Details, DTD |
|
|
| DTD |
SGML Document Type Definition (DTD) file |
|
|
| DTD |
SGML declaration (Corel) |
|
|
| DTED |
Digital terrain elevation data (geographic data format) |
|
|
| DTF |
Q&A Database |
|
|
| dtf |
Q& |
|
|
| DTF |
Data; PC-File; Q&A Write |
|
|
| DTF |
Symantec Q&A relational database data file |
|
|
| DTM |
Sound; DigiTrekker Module |
|
|
| DTM |
DigiTrakker module |
|
|
| DTP |
(4) Timeworks Publisher |
|
|
| DTP |
(1) Page Express desktop publishing Document; see TPL |
|
|
| DTP |
(3) Datastorm Technologies, Inc. ProComm Program Patch |
|
|
| DTP |
(2) Publish-It |
|
|
| DT_ |
Macintosh data fork |
|
|
| DUN |
Microsoft Dial-up Networking Export file |
|
|
| dun |
dial-up networking |
|
|
| DUN |
Microsoft Internet Connection Wizard configuration (names like ICWX25A.DUN) |
|
|
| DV |
Digital video file (MIME) |
|
|
| DVI |
(1) Document; TeX, OzTeX |
|
|
| DVI |
Digital Video Interface. Details |
|
|
| DVM |
Digital Video Movie. Video. Details |
|
|
| DVP |
DESQview Program Information |
|
|
| DVP |
Digital Video Project. Information about video files. From Ulead. |
|
|
| DW2 |
Picture; DesignCad |
|
|
| DWARF |
|
|
|
| DWB |
Coryphaeus Software Designers Workbench |
|
|
| DWC |
Archive |
|
|
| DWD |
DiamondWare digitized file |
|
|
| DWD |
Sound; Diamond Ware |
|
|
| DWF |
Design Web Format. Vector image. Details, including a free viewer from AutoDesk. |
|
|
| dwg |
AutoCAD drawing. Vector image. |
|
|
| dws |
MS deployment wizard script |
|
|
| DX |
(1) Document MultiMate word processor |
|
|
| dx |
Digital WPSplus |
|
|
| DX |
(3) Picture; Autotrol Document |
|
|
| DX |
(2) Document; DEC WPS/DX |
|
|
| DX3 |
DEC DX files |
|
|
| DXB |
Drawing eXchange Binary. Binary version of DXF. Details |
|
|
| DXF |
Drawing eXchange File. AutoCAD vector image in a text-ish version for interchange with other programs. Details |
|
|
| DXN |
Fax Document; Fujitsu dexNET |
|
|
| DXR |
Presentation; Macromedia Director Movie; Presentation (several pictures in a file, like MMM; In Microsoft Office Professional, see DCR, MSOffice:VALUPACKOFCOMPATPROJECTPROJ95DM.DXR) (MIME: application/x-director) |
|
|
| DXR |
Macromedia Director protected (not editable) movie file |
|
|
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