Starting with a character: : D

File extension	Full name
D File Extension	D Source Code File
D00 File Extension	VirtualDrive Disc Image Part File
D01 File Extension	VirtualDrive Disc Image Part 2 File
D2S File Extension	Diablo 2 Save File
D2V File Extension	DVD2AVI File
D3D File Extension	Corel Dream 3D drawing file
D3DBSP File Extension	Call of Duty Map File
D3V File Extension	Datel Video File
D64 File Extension	Commodore 64 Disk Image
D88 File Extension	Toshiba Pasopia 7 Disk File
DA0 File Extension	Windows Registry Backup File
DA2 File Extension	DeepAnalysis Save File
DAA File Extension	PowerISO Direct-Access-Archive
DABRIEFCASE File Extension	RemObjects Data Abstract File Briefcase
DACONFIG File Extension	RemObjects Data Abstract Configuration File
DACONNECTIONS File Extension	RemObjects Data Abstract Connections File
DACPAC File Extension	SQL Server Data Tier Application Package
DAD File Extension	RemObjects Data Abstract Driver File
DADIAGRAMS File Extension	RemObjects Data Abstract Data Diagrams File
DAE File Extension	Digital Asset Exchange File
DAF File Extension	Digital Anchor File
DAL File Extension	DVD-lab project file
DAM File Extension	DeltaMaster Analysis Model
DAO File Extension	Disk at Once CD/DVD Image
DAP File Extension	Download Accelerator partial download file
DAR File Extension	DAR Disk Archive
DAS File Extension	DeltaMaster Analysis Session
DASCHEMA File Extension	Data Abstract database schema file
DASH File Extension	Dashlane Profile
DAT File Extension	Data File
DATA File Extension	Analysis Studio Offline Data File
DAT_MCR File Extension	Minecraft Level.dat Backup File
DAT_NEW File Extension	Minecraft World Level File
DAT_OLD File Extension	Minecraft Level.dat Backup File
DAV File Extension	DVR365 Video File
DAX File Extension	PSP Compressed ISO Disc Image
DAY File Extension	Day of the Zombie Map File
DAZ File Extension	DAZ Studio 3D Scene
DAZIP File Extension	Dragon Age: Origins Game File
DB File Extension	Database File
DB- File Extension	Norton Nprotect Database File
DB-SHM File Extension	SQLite Database Shared Memory File
DB-WAL File Extension	SQLite Database Write-Ahead Log File
DB1 File Extension	Tekla Structures Model File
DB2 File Extension	dBASE II Database
DB3 File Extension	SQLite Database File
DBA File Extension	Palm Datebook Backup File
DBB File Extension	Skype User Information File
DBC File Extension	OrCAD capture CIS database configuration file
DBD File Extension	DemoShield Project
DBF File Extension	Database File
DBG File Extension	FoxPro Debugger Configuration
DBGSYM File Extension	Debug Symbols File
DBK File Extension	OrCAD schematic capture backup file
DBL File Extension	DAZ Brick Light File
DBM File Extension	ColdFusion Server File
DBML File Extension	Visual Studio OR Design File
DBO File Extension	DarkBASIC Object
DBPRO File Extension	DarkBASIC Professional Project File
DBPROJ File Extension	Visual Studio Database Project File
DBQ File Extension	Paradox memo file
DBR File Extension	DeepBurner Disc Project
DBS File Extension	SQLBase Database File
DBT File Extension	Database Text File
DBV File Extension	Database Variable Field
DBX File Extension	Outlook Express E-mail Folder
DC File Extension	DesignCAD Design File
DC1 File Extension	DevCad Document
DC2 File Extension	Kodak DC25 Digital Camera file
DC3 File Extension	Medicine image file format
DC4 File Extension	ViaThinkSoft (De)Coder 4 File
DCA File Extension	DisplayWrite Document
DCB File Extension	Concordance Database File
DCD File Extension	DesignCAD Drawing
DCE File Extension	DriveCam Video File
DCF File Extension	DRM Content Format File
DCK File Extension	Resolume Deck File
DCL File Extension	AutoCAD Dialog Definition File
DCM File Extension	DICOM Image
DCMD File Extension	DiskCatalogMaker Thumbnail-Enabled Catalog
DCMF File Extension	DiskCatalogMaker Catalog
DCO File Extension	DisCryptor encrypted archive
DCOVER File Extension	Disc Cover File
DCP File Extension	Adobe DNG Camera Profile
DCPF File Extension	Disc Copier Project File
DCPR File Extension	Adobe DNG Camera Profile Recipe File
DCPROJ File Extension	Dashcode Project
DCR File Extension	Kodak RAW Image File
DCS File Extension	Desktop Color Separation File
DCST File Extension	Adobe InDesign Document Presets File
DCT File Extension	Dictionary File
DCTMP File Extension	DC++ Partially Downloaded File
DCU File Extension	Delphi Compiled Unit
DCUIL File Extension	Delphi .NET Compiled Unit File
DCX File Extension	FoxPro Database Index
DD File Extension	Doodle C64 image file
DDAT File Extension	DivX Temporary Video File
DDB File Extension	Digidesign Database
DDC File Extension	DivX Descriptor File
DDCX File Extension	DivX Descriptor 2 File
DDD File Extension	Adobe Distiller file
DDF File Extension	Diamond Directive File
DDL File Extension	Data Definition Language File
DDP File Extension	Delphi Diagram Portfolio File
DDRW File Extension	ClarisDraw Drawing
DDS File Extension	DirectDraw Surface
DDT File Extension	Football Manager Keep Player Data File
DEB File Extension	Debian Software Package
DEC File Extension	Declaration File
DECRYPT File Extension	Decrypted Microsoft ESD File
DED File Extension	Dr. Engrave Document
DEF File Extension	Module-Definition File
DEK File Extension	Magic: The Gathering Deck File
DEM File Extension	Video Game Demo File
DEP File Extension	Windows Dependency File
DEPEND File Extension	Code::Blocks Dependencies File
DEPROJ File Extension	Disketch Project File
DER File Extension	DER Certificate File
DES File Extension	Corel Designer File
DESC File Extension	Battlefield 2 Map Description File
DESIGN File Extension	Microsoft Expression Design Drawing
DESKLINK File Extension	Desktop Shortcut
DESKTHEMEPACK File Extension	Windows 8 Desktop Theme Pack File
DESKTOP File Extension	Desktop Entry File
DET File Extension	Sage ACT! 5 Email Message
DEV File Extension	Windows Device Driver File
DEVELOPERPROFILE File Extension	Xcode Developer Profile
DEVELVE File Extension	Develve Data File
DEVICEIDS File Extension	Device Identification FIle
DEVICEINFO File Extension	Device Record
DEVICESALT File Extension	NOOK Device Salt File
DEWF File Extension	SoundEdit Recorded Instrument
DEX File Extension	Dalvik Executable File
DF1 File Extension	Omnis Native Datafile
DF2 File Extension	Defractor 2 Instrument
DFC File Extension	Defractor Instrument
DFF File Extension	RenderWare Model File
DFG File Extension	Data Flask Grid File
DFK File Extension	Dark Flow Project File
DFM File Extension	Delphi Form
DFONT File Extension	Mac OS X Data Fork Font
DFP File Extension	Fusion Plugin File
DFPROJ File Extension	DVD Flick Project
DFS File Extension	AutoCAD utility defaults file format
DFT File Extension	Solid Edge Draft Document
DFU File Extension	iOS DFU File
DFX File Extension	Drafix CAD File
DGB File Extension	FlashCAD Drawing Database
DGC File Extension	DGCA File Archive
DGK File Extension	Delcam 3D Model File
DGML File Extension	Visual Studio Directed Graph Document
DGN File Extension	MicroStation Design File
DGS File Extension	Dagesh Pro Document
DGSL File Extension	Visual Shader Graph File
DGT File Extension	DST Thumbnail File
DHCD File Extension	DHCD Computing Application Data File
DHS File Extension	HyperSnap Drawing
DHT File Extension	GAUSS Data Set Header File
DHTML File Extension	Dynamic HTML file
DIA File Extension	Dia Diagram File
DIAGCAB File Extension	Troubleshooting Pack Cabinet File
DIAGCFG File Extension	Troubleshooting Pack Configuration File
DIAGPKG File Extension	Troubleshooting Pack File
DIB File Extension	Device Independent Bitmap File
DIC File Extension	Dictionary File
DICOM File Extension	DICOM Image File
DICPROOF File Extension	Microsoft Dictionary Proofing File
DIF File Extension	Data Interchange Format
DIG File Extension	Digilink Audio File
DII File Extension	Summation Batch Load File
DIM File Extension	DIME File
DIMAX File Extension	DiMAX Firmware Image File
DIME File Extension	Direct Internet Message Encapsulation File
DINFO File Extension	DivX Temporary Video Info File
DIR File Extension	Adobe Director Movie
DIRECTORY File Extension	KDE Folder View Properties File
DIS File Extension	Oracle Discoverer Workbook
DISABLED File Extension	Spybot - Search & Destroy Disabled File
DISC File Extension	Toast Document
DISCO File Extension	DISCO Discovery Document
DISCOMAP File Extension	DISCO Discovery Output File
DISK File Extension	Linux Virtual Hard Disk
DISKDEFINES File Extension	Linux LiveCD Information File
DIST File Extension	Mac OS X Distribution Script
DIT File Extension	Active Directory Information Tree File
DITA File Extension	DITA Document
DITAMAP File Extension	DITA Topic Map File
DITAVAL File Extension	DITA Conditions File
DIV File Extension	DivX movie
DIVA File Extension	Project DIVA Song File
DIVX File Extension	DivX-Encoded Movie File
DIX File Extension	DIVA-GIS Export File
DIY File Extension	My Drivers Backup Setup File
DIZ File Extension	Description in Zip File
DJM File Extension	Dynojet Map File
DJR File Extension	Ringtone Media Studio DJ Ringtone Project
DJV File Extension	DjVu Image
DJVU File Extension	DjVu Image
DKE File Extension	DriveLock FDE Disk Key File
DKT File Extension	DiGiTIAL THUNDER Drum Kit File
DL File Extension	Zoo Tycoon 2 Data File
DLC File Extension	Download Link Container File
DLD File Extension	EdLog Compiled Program
DLG File Extension	Digital Line Graph
DLL File Extension	Dynamic Link Library
DLM File Extension	Akamai Download Manager File
DLO File Extension	3ds Max Plug-in
DLS File Extension	Downloadable Sounds File
DLU File Extension	3ds Max Utility Plug-in File
DLV File Extension	CATIA 4 Export File
DLX File Extension	Sony VDU file format importer
DL_ File Extension	Compressed DLL File
DM File Extension	Paradox data model file
DM1 File Extension	ER/Studio Data Model File
DM2 File Extension	Toad Data Modeler 2 File
DM3 File Extension	DigitalMicrograph Image
DMB File Extension	BYOND Game Executable
DMC File Extension	Datamartist Data Canvas File
DMD File Extension	SQL Developer Data Modeler File
DMF File Extension	Delusion Digital Music File
DMG File Extension	Mac OS X Disk Image
DMGPART File Extension	Mac OS X Disk Image Part
DMI File Extension	BYOND Dream Maker Icon File
DML File Extension	DynaScript File
DMM File Extension	DropMind Mind Map File
DMMX File Extension	DropMind XML Map Bundle
DMO File Extension	Duke Nukem 3D Demo File
DMP File Extension	Windows Memory Dump
DMPR File Extension	Direct Mail Project File
DMR File Extension	BrainVoyager Diffusion Weighted Project File
DMS File Extension	Disk Masher Image
DMSA File Extension	Music Disc Creator Project File
DMSD File Extension	Roxio MyDVD Project
DMSD3D File Extension	Roxio MyDVD 3D Project
DMSE File Extension	Sound Editor Project File
DMSK File Extension	DivX Temporary Video Data File
DMSM File Extension	VideoWave Movie Project File
DMSM3D File Extension	VideoWave 3D Movie Project File
DMSP File Extension	PhotoSuite Project File
DMSS File Extension	VideoWave SlideShow Project File
DMT File Extension	Delphi menu template file
DMTEMPLATE File Extension	Direct Mail Template
DMX File Extension	Source Filmmaker Project File
DMX-INFO File Extension	DriverMax Driver Information File
DM_68 File Extension	Quake 3 Demo File
DM_82 File Extension	Wolfenstein 1.00 Demo Movie File
DM_83 File Extension	Wolfenstein 1.02 Demo Movie File
DM_84 File Extension	Wolfenstein 2.06 Demo Movie File
DN1 File Extension	Duke Nukem 1 Game Data File
DN2 File Extension	Duke Nukem Episode 2 Game File
DN3 File Extension	Duke Nukem Episode 3 Game File
DNA File Extension	CA Backup and Migration Backup File
DNC File Extension	Windows Dancer File
DNE File Extension	Netica Text File
DNF File Extension	Duke Nukem Forever Map File
DNG File Extension	Digital Negative Image File
DNH File Extension	Danmakufu Script
DNL File Extension	DNAML eBook File
DNS File Extension	DynSite Plug-in File
DO File Extension	Java Servlet
DOB File Extension	Visual Basic UserDocument
DOC File Extension	Microsoft Word Document
DOC# File Extension	Microsoft Word Document
DOCHTML File Extension	Microsoft Word HTML Document
DOCKZIP File Extension	ObjectDock File
DOCM File Extension	Word Open XML Macro-Enabled Document
DOCMHTML File Extension	Microsoft Word MIME HTML Document
DOCSET File Extension	Doxygen Document Set File
DOCX File Extension	Microsoft Word Open XML Document
DOCXML File Extension	Microsoft Word XML Document
DOCZ File Extension	ThinkFree Online Note Document
DOL File Extension	GameCube Executable File
DOLPHINVIEW File Extension	Dolphin Folder View Settings File
DOT File Extension	Word Document Template
DOTHTML File Extension	Microsoft Word HTML Document Template
DOTM File Extension	Word Open XML Macro-Enabled Document Template
DOTX File Extension	Word Open XML Document Template
DOV File Extension	Temp File
DOWNLOAD File Extension	Partially Downloaded File
DOWNLOADHOST File Extension	MSN Download Settings File
DOWNLOADING File Extension	Pando Incomplete Download File
DOX File Extension	Visual Basic Binary UserDocument
DP1 File Extension	DataPower Database File
DPA File Extension	DrawPlus Animation File
DPB File Extension	DataPilot Backup File
DPD File Extension	Ovation Pro File
DPF File Extension	F-Secure default policy file
DPG File Extension	Nintendo DS Movie File
DPK File Extension	Delphi Package
DPKW File Extension	Delphi Package
DPL File Extension	Delphi Package Library
DPM File Extension	Pro Tools Plugin File
DPN File Extension	Depiction Data File
DPP File Extension	DrawPlus Drawing File
DPR File Extension	Delphi Project
DPROJ File Extension	Delphi Project
DPS File Extension	DivX player skin
DPT File Extension	Kingsoft Presentation Template
DPV File Extension	Siemens NX Drafting Standard File
DPX File Extension	Digital Picture Exchange File
DQY File Extension	Excel Query File
DR File Extension	DRM Rights Object
DRA File Extension	OrCAD Drawing File
DRAWING File Extension	Artboard Drawing
DRAWIT File Extension	DrawIt Drawing
DRC File Extension	DRM Rights Object
DREAM File Extension	Dream Animated Wallpaper File
DRES File Extension	Delphi Compiled Resource File
DRF File Extension	VIZ Render File
DRG File Extension	I-Doser Audio Drug File
DRL File Extension	Gerber Drill Rack File
DRM File Extension	Cubase Drum Map File
DRMX File Extension	Drumlin Fully Secure PDF File
DRMZ File Extension	Drumlin Fully Secure Mobile PDF File
DRPM File Extension	Delta RPM File
DRSCAN File Extension	Data Rescue Scans File
DRV File Extension	Device Driver
DRW File Extension	Drawing File
DRWDOT File Extension	SolidWorks Drawing Template
DRZ File Extension	DReport compressed report file
DS File Extension	DAZ Studio 1/2 Script
DS2 File Extension	Olympus DSS Pro Audio File
DSA File Extension	DAZ Studio 3+ Script
DSB File Extension	Wondershare DVD Slideshow Builder Project
DSC File Extension	Nikon Disk Identification File
DSD File Extension	AutoCAD Drawing Set Description File
DSE File Extension	DAZ Studio Encrypted Script
DSF File Extension	DAZ Studio Asset File
DSG File Extension	Control Studio Document
DSGM File Extension	DS Game Maker Project
DSI File Extension	DAZ Studio Layered Image Set
DSK File Extension	Disk Image
DSKIN File Extension	DockX Skin
DSM File Extension	Digital Sound Module
DSN File Extension	Database Source Name File
DSO File Extension	Microsoft Visual Studio workspace file
DSP File Extension	Visual C++ 6 Project
DSS File Extension	Digital Speech Standard File
DST File Extension	Tajima Embroidery format
DSTUDIO File Extension	DownloadStudio Incomplete Download
DSV File Extension	DeSmuME Save File
DSW File Extension	Visual C++ 6 Workspace File
DSX File Extension	Diet Studio XML File
DSY File Extension	Directory Synchronizer Project File
DSYM File Extension	ArchiCAD for MAC Geometric Description Language file
DSZ File Extension	Orchida (OES) Embroidery File
DS_STORE File Extension	Mac OS X Folder Settings File
DT File Extension	Macintosh file data fork
DT0 File Extension	DTED Level 0 File
DT1 File Extension	DTED Level 1 File
DT2 File Extension	Windows Live Messenger Emoticon Image File
DTA File Extension	Data file
DTAPART File Extension	DownThemAll! Partially Downloaded File
DTD File Extension	Document Type Definition File
DTF File Extension	ACDSee thumbnail database file
DTM File Extension	Audio module
DTP File Extension	Publish-iT Document
DTR File Extension	DATroniC Data Recording
DTS File Extension	DTS Encoded Audio File
DTSHD File Extension	DTS-HD Master Audio File
DTSX File Extension	DTS Settings File
DTW File Extension	Desktop Wallpaper
DTX File Extension	Documented LaTeX File
DT_ File Extension	Macintosh Data Fork
DUC File Extension	Action Replay Max DS Save File
DUCK File Extension	Cyberduck Bookmark
DUMP File Extension	Google BreakPad Crash Log File
DUN File Extension	Dungeon Defenders Saved Game File
DUS File Extension	Readiris Font Dictionary
DV File Extension	Digital Video File
DV-AVI File Extension	Microsoft DV-AVI Video File
DV2 File Extension	Divinity 2 Data File
DV4 File Extension	Bosch Security Systems CCTV Video File
DVC File Extension	Dragon Voice Command File
DVD File Extension	CloneCD DVD Information File
DVDMEDIA File Extension	RipIt DVD Package
DVDPROJ File Extension	iDVD Project File
DVDR File Extension	DVD/CD-R Master Image
DVDS File Extension	DVDStyler Project File
DVF File Extension	Sony Digital Voice File
DVG File Extension	Graphic Works Vector Graphic
DVI File Extension	Device Independent Format File
DVL File Extension	Virtual Library File
DVR File Extension	Microsoft Recorded TV Show
DVR-MS File Extension	Microsoft Digital Video Recording
DVX File Extension	DivX Video File
DW File Extension	David Whittaker Audio File
DWA File Extension	Digital Waveform Archiver Audio File
DWC File Extension	Emulex DWC Firmware Update File
DWD File Extension	DiamondWare Digital Audio File
DWDOC File Extension	DrawWell Document
DWF File Extension	Design Web Format File
DWFX File Extension	Design Web Format XPS File
DWG File Extension	AutoCAD Drawing Database File
DWI File Extension	Dance With Intensity Song File
DWL File Extension	TurboCAD Drawing Lock File
DWLIBRARY File Extension	Paperless Document Library
DWN File Extension	FrameWork database file
DWP File Extension	DarkWave Studio Project File
DWS File Extension	AutoCAD Drawing Standards File
DWT File Extension	Dreamweaver Web Page Template
DWZ File Extension	Compressed AutoCAD drawing file
DX File Extension	DEC WPS Plus File
DXB File Extension	Drawing Exchange Binary
DXE File Extension	AutoCAD Data Extraction Template
DXF File Extension	Drawing Exchange Format File
DXL File Extension	Domino XML Language File
DXLS File Extension	DashXL Skin Set File
DXP File Extension	CDBurnerXP Data Compilation File
DXR File Extension	Protected Macromedia Director Movie
DXS File Extension	Deus Ex Saved Game
DXX File Extension	AutoCAD Drawing Interchange Attribute File
DYC File Extension	Xerox Printer Driver Configuration File
DYLIB File Extension	Mach-O Dynamic Library
DZ File Extension	Dzip File
DZIP File Extension	The Witcher 2 Game Archive
DZM File Extension	DirectorZone Menu Template
DZP File Extension	DirectorZone Particle Effect File
DZT File Extension	DirectorZone Title File