| Extension |
Meaning / Link |
| .D |
Dialect Source
Code File |
| .D3D |
CorelDream 3D
File |
| .D64 |
Commodore 64
Emulator Disk Image |
| .D8A |
AmBiz
Productivity Pak Catalog |
| .DAD |
Chromeleon
Channel Raw Data |
| .DAP |
Omnis5
Application File, MS
Access Data Access Page |
| .DAT |
Data (multiple
programs), WordPerfect Merge Data,
MPEG File |
| .DB |
Paradox Database |
| .DB2 |
dBase
II File |
| .DBC |
MS
Visual Foxpro Database Container |
| .DBF |
Database
(multiple programs) [started as dBASE],
Oracle 8.x Tablespace File |
| .DBK |
dBase
Database Backup, Orcad
Schematic Capture Backup File |
| .DBM |
Cold
Fusion Template |
| .DBO |
dBase
IV Compiled Program File |
| .DBQ |
Paradox Memo |
| .DBT |
Database Text
File [dBASE] |
| .DBV |
Flexfile Memo
Field File |
| .DBW |
DataBoss Database
File |
| .DBX |
Database
(multiple programs), DataBeam Image, MS
Visual Foxpro Table |
| .DC |
DesignCAD
CAD File |
| .DC2 |
DesignCAD
CAD File |
| .DC5 |
DataCAD
Drawing File |
| .DCA |
Visual Basic
Active Designer Cache, IBM DisplayWrite Document Content
Architecture Text File |
| .DCD |
Document Content
Description File
|
| .DCF |
Design
Rule for Camera File Systems File |
| .DCM |
DCM Module Format |
| .DCP |
Delphi
Compiled Packages, OS/2
Data CodePage |
| .DCR |
Shockwave File |
| .DCS |
Quark Desktop
Color Separation Specification, ACT!
Activity Data File |
| .DCT |
Dictionary
(various programs), MS
Visual Foxpro Database Container |
| .DCU |
Delphi
Compiled Unit |
| .DCX |
FAX Image, Bitmap
Graphics. Macros, MS
Visual Foxpro Database Container |
| .DD |
Macintosh
Compressed Disk Doubler Archive |
| .DDB |
Bitmap Graphics
File |
| .DDE |
Dynamic
Data Exchange |
| .DDF |
BTRIEVE Database,
Bitstream Fontware File |
| .DDI |
DiskDupe Image
Disk Doubler Image |
| .DDP |
OS/2
Device Driver Profile File |
| .DEB |
DOS Debug Script
Debian
Linux Package |
| .DEF |
Definitions,
Defaults, SGML Tag Definition, SmartWare II Data File, C++
Definition, Geoworks Assembly Header File |
| .DEL |
Data |
| .DEM |
Descent
Demonstration, USGS Map |
| .DEP |
Setup Wizard
Dependency |
| .DER |
Certificate File |
| .DES |
Description Text,
QuickBooks Form Template
File |
| .DEV |
Device Driver,
Device Independent TeX, LaTeX File |
| .DEZ |
DES Encrypted Zip
File |
| .DF1 |
Omnis7 and Omnis
Studio Database File (also .DF2, .DF3, etc.) |
| .DFD |
File Flow Diagram
Graphic |
| .DFI |
Digifont Outline
Font Description |
| .DFL |
Signature Default
Program Settings |
| .DFM |
Delphi
Forms
File Flow Diagram
Model |
| .DFS |
Delight Sound
File |
| .DFV |
Word
Print Format Template |
| .DG |
Autotrol Graphics |
| .DGC |
TurboTax-related
File |
| .DGN |
Microstation95
CAD Drawing File, Intergraph Graphics |
| .DGS |
AT Advanced
Diagnostics File |
| .DH |
Geoworks
Dependency Information File |
| .DHP |
Dr. Halo PIC |
| .DHT |
Gauss Data File |
| .DIA |
Computer Support
Corp Diagraph Graphics File |
| .DIB |
Device-Independent
Bitmap Graphic |
| .DIC |
Dictionary
(various) |
| .DIF |
Data Interchange
Format |
| .DIG |
Text Document,
Digilink Format, Sound Designer Audio File |
| .DIP |
Graphics File |
| .DIR |
Procomm
Plus Dialing Directory, Macromedia
Director File, DEC VAX Directory |
| .DIS |
Corel
Draw Thesaurus |
| .DIT |
MS Win2000 Active
Directory Schema |
| .DIZ |
Description
In Zip File |
| .DKB |
DKBTrace
Ray-Traced Graphics File |
| .DL |
Animations file |
| .DLD |
Lotus
File |
| .DLG |
Dialog Resource
Script, C++ Dialogue Script |
| .DLL |
Dynamic Link
Library, CorelDraw Export/Import
Filter |
| .DLS |
Downloadable
Sounds (Interactive Music Architecture), Norton DiskLock Setup
File |
| .DMD |
Visual
dBASE Data Module |
| .DMF |
Delusion/XTracker
Digital Music File, Packed Amiga Disk Image |
| .DMO |
Demo |
| .DMP |
Dump (various) |
| .DMS |
Compressed
Archive |
| .DNE |
Darn v5+
(Windows) Events List |
| .DOB |
User Document
Form File |
| .DOC |
Document or
Documentation (many programs/formats), MS
Word Document |
| .DOG |
Laughing Dog
Screen Saver |
| .DOH |
Geoworks
Dependency Information File |
| .DOS |
Text File/DOS
Specification Info |
| .DOT |
MS
Word Document Template, Corel
Lines-Definition |
| .DOX |
Text File,
MultiMate Document, User Document Binary Form File |
| .DOZ |
VENDINFO
Description Out of Zip File |
| .DP |
Daily Planner
Calendar File, DataPhile Data File |
| .DPA |
Serif
DrawPlus Animation |
| .DPJ |
DeskProto CAM
Project File |
| .DPK |
Delphi
Package File |
| .DPL |
Borland
Delphi 3 Packed Library |
| .DPP |
Serif
DrawPlus Drawing |
| .DPR |
Borland
C++ (or Delphi) Default Project |
| .DPT |
Publish-It!
Publication File |
| .DPX |
Digital Moving
Picture Exchange |
| .DQY |
MS
Excel ODBC Query File |
| .DRC |
Orcad
Schematic Capture Design Rules Check Report File |
| .DRN |
Darn for DOS |
| .DRS |
WordPerfect
Driver Resource |
| .DRV |
Device Driver |
| .DRW |
Drawing (various
programs), Micrografx
Vector Graphic, Pro/E Drawing |
| .DS4 |
Micrografx
Designer Graphics (ver 4) |
| .DSC |
Oracle
Discard File, Nikon Coolpix
Disk Identification File |
| .DSD |
DataShaper
Database File, Document Structure Definition File |
| .DSF |
Micrografx
Designer, Delusion/XTracker Digital Sample |
| .DSG |
Doom Saved Game |
| .DSK |
Borland
C++ or Turbo Pascal Project Desktop File, Novell Driver File |
| .DSL |
Lingvo
User Feature Dictionary |
| .DSM |
Delphi
Symbol File, Digital Sound Module Tracker Format,
Dynamic Studio Music Module |
| .DSN |
ODBC Data Source,
SureThing Office Labeler (formerly DesignExpress) Document, Orcad
Schematic Capture Schematic File |
| .DSP |
Signature Display
Parameters, Dr. Halo Graphic Screen Driver, MS
Developer Studio Project |
| .DSQ |
Corel
QUERY File |
| .DSR |
WordPerfect
Driver, Active Designer File |
| .DSS |
Digital Soup
Digital Sound File |
| .DST |
Embroidery
Machines Graphics File |
| .DSW |
MS
Developer Studio Workspace
Borland
C++ Desktop Settings |
| .DSX |
Active Designer
Binary File |
| .DT_ |
Macintosh Data
File Fork |
| .DTA |
Data (Various) |
| .DTD |
SGML Document
Definition File |
| .DTF |
Q&A Database |
| .DTM |
DigiTrekker
Module |
| .DTP |
SecurDesk!
Desktop, Timeworks Publisher Text Document, Pressworks
Template File |
| .DUN |
Dial-Up Network |
| .DUP |
Duplicate Backup |
| .DV |
DESQview Script,
Digital Video File |
| .DVC |
Lotus
File |
| .DVF |
DV Studio
Camcorder Graphics File |
| .DVI |
Device
Independent Document |
| .DVP |
DESQview Program
Information, AutoCAD Device
Parameter |
| .DVR |
Device Driver |
| .DW2 |
DesignCAD
Drawing File |
| .DWC |
Compressed
Archive |
| .DWD |
DiamondWare
Digitized File |
| .DWF |
Autodesk
Vector Graphic |
| .DWG |
AutoCAD
Drawing Database |
| .DWP |
Dweep
Game Levels, DeScribe Document File |
| .DWS |
Dyadic Workspace
File |
| .DWT |
AutoCAD
Template/Prototype File |
| .DX |
Document Imaging
File, Digital Electric Corporation (DEC) Data Exchange File,
Game "Deus Ex" Levels |
| .DXB |
Drawing
Interchange Binary |
| .DXF |
AutoCAD
Drawing Interchange Format |
| .DXN |
Fujitsu dexNet
Fax Document |
| .DXR |
Macromedia
Director Protected Movie File |
| .DYN |
Lotus
File |
| |
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