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Alphabetic File Extension List

This list will take for a moment to be fully loaded as the file extension lists are quite long. These lists contain information about the extension name, the name of the program, and the creator's company. Click on the extension to see the detail page. The total extensions in this list: 252.

Extension Information
DAA PowerISO Direct-Access-Archive (PowerISO Computing, Inc.)
DAE COLLADA (COLLAborative Design Activity) 3D Digital Asset (The Khronos Group)
DAP Access Data Access Page (Microsoft Corporation)
DAP Download Accelerator Temporary File During Download (SpeedBit Ltd.)
DAT Windows Registry Hive (Microsoft Corporation)
DAT Data
DAT VCD and/or SVCD File
DATA CoreFSIF Database (Avanticore, Inc.)
DB Mozilla (Netscape) Client Certificate or Security Module Database (
DB Windows Thumbnail Database (Microsoft Corporation)
DB SQL Anywhere Database (iAnywhere Solutions, Inc.)
DB2 ImageDatabase Image Database (A.I.Soft)
DBA Palm DateBook File (Palm)
DBB ANSYS Database Backup
DBB Skype User Data (Profile and Contacts) (Skype Limited)
DBC CANdb Network File (Vector Informatik GmbH)
DBC OrCAD Capture CIS Database Configuration (Cadence Design Systems, Inc.)
DBD Clarion for Modula-2 Debug Info (SoftVelocity)
DBD DemoShield Project File (InstallShield Software Corporation)
DBD Business Insight Data
DBF Database
DBF ACT! Main Database File (Best Software CRM Division)
DBF iAnywhere Database File (Sybase, Inc.)
DBG ArcView Problem Debug Log File (ESRI)
DBK dBASE Database Backup
DBK OrCAD Schematic Capture Backup File (Cadence Design Systems, Inc.)
DBL WindowsXP Product Activation File (Microsoft Corporation)
DBL LineWriter File
DBS Word Printer Description File (Microsoft Corporation)
DBS SQL Anywhere Database (iAnywhere Solutions, Inc.)
DBS DB/TextWorks Database Textbase Structure File (Inmagic, Inc.)
DBT SeeYou Waypoint (Naviter)
DBT Abacus Law Ver. 9 Data (Abacus Data Systems, Inc.)
DBT Database Text File
DBX Outlook Express E-mail Folder (Microsoft Corporation)
DC DesignCAD CAD File (IMSI/Design LLC)
DC Dialect Compiled Script
DC Systems Management Server (SMS) Collection Evaluator Deletion (Microsoft Corporation)
DCF Taskmaster Batch Pilot Form (Datacap Inc.)
DCF DRM Content Format Delivery File
DCF D-Lib Generic Bytecode (thINK!)
DCL AutoCAD Dialog Control Language Description (Autodesk, Inc.)
DCM Atari Disk Image Format (Atari)
DCP Digi-Comp Program/Project Data
DCP ArcView Default Codepage File (ESRI)
DCP OS/2 Data CodePage (IBM)
DCR AstroVIEW X Data Log (Astro-Med, Inc.)
DCR Delphi Component Resource (Borland Software Corporation)
DCR Kodak Digital Camera Raw Image File (Kodak)
DCT Clarion for Windows Data Dictionary (SoftVelocity)
DCT DALiM LiTHO Continuous Tone Bitmap (Blanchard Systems Inc.)
DCT StartSpanish Dictation Sound File (GB Blanchard)
DCX Graphics Multipage PCX Bitmap
DD Fuel and Petrol Tanks (DDwin. Depósitos de combustibles y derivados del petróleo) Project Data File (Procedimientos-Uno, SL)
DD C64 Doodle
DD Everest Data Dictionary (Everest Software, Inc.)
DDB ACT! Sales Data File (Best Software CRM Division)
DDB Design Database File
DDB DProfiler Cost Database (Beck Technology)
DDD Alpha Five Table Data Dictionary File (Alpha Software, Inc.)
DDD TIS-Office Digital Tachograph Data File (Siemens AG)
DDD Acrobat Distiller (Adobe Systems Incorporated)
DDF ACDSee Use Database (Photo Disc Data File) (ACD Systems Ltd.)
DDF Diamond Directive File (Microsoft Corporation)
DDF Btrieve Data Dictionary File (Pervasive Software Inc.)
DDS FPS Creator Texture (The Game Creators Ltd.)
DDS Battlefield 1942 Unit/Object Texture File (Electronic Arts, Inc.)
DDS DirectX (Multiple Versions) DirectDraw Surface (Microsoft Corporation)
DEB Debian Linux Package
DEF Data Entry/Review Module (DATAIR Employee Benefit Systems, Inc.)
DEF ArcView Defaults File (ESRI)
DEF 3D Fassade Plus Define Module
DEM Half-Life Demo File (Sierra)
DEM Turing (Holt Software Associates, Inc.)
DEM ArcView Digital Elevation Model File (ESRI)
DEP Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
DEP Visual Basic Setup Wizard Dependency (Microsoft Corporation)
DES nProtect GameGuard Game Security Plug-in (INCA Internet Co, Ltd.)
DES V+ Visual Development System Design File (SimPhonics, Inc.)
DES File Investigator Description File (RobWare)
DESKTOP Desktop Entry Standard Desktop Entry File
DESKTOP DesktopX Theme (Stardock Corporation, Inc.)
DEX Dalvik Dex Class
DEX WinGlucofacts Data File (Bayer HealthCare LLC)
DEX DEXIS Digital X-ray (ProVision Dental Systems, Inc.)
DFM Digital-FM
DFM Delphi Form (Borland Software Corporation)
DFT Solid Edge Draft Document (UGS PLM Solutions)
DFT BullsEye Style Sheet
DFT cncKad2002 Drafting Tool (Metalix)
DFX AutoCAD 3D Vector Graphics (Autodesk, Inc.)
DGC DigiGuide Channel Extension (GipsyMedia Limited)
DGC Digital G Codec Archiver
DGN Intergraph Graphics (Intergraph Corporation)
DGN ArcView Design Drawing File (ESRI)
DGN MicroStation Design File (Bentley Systems, Incorporated)
DGR DART Pro 98 File Group Details
DGR MicroStation 95 CAD Design File (Bentley Systems, Incorporated)
DGR Fax Page
DIA Do It Again Macro Script (Spacetornado Software)
DIA Computer Support Corp Diagraph Graphics File
DIC Mozilla Dictionary File (Mozilla)
DIC DICOM Digital Imaging and Communications in Medicine Format Bitmap
DIC Microsoft Business Solutions--Great Plains Program Source Code (Microsoft Corporation)
DICOM DICOM Digital Imaging and Communations in Medicine Format Bitmap
DIF Data Interchange Format
DIF ProWORX Nxt Data Interchange File (Schneider Electric)
DIF Excel Data Interchange Format (Microsoft Corporation)
DIM [email protected] File Recovery Disk Image Configuration File (LSoft Technologies Inc)
DIM XMap Symbol File (Delorme)
DIR Directory Indicator (Microsoft Corporation)
DIR Macromedia Director Movie (Adobe Systems Incorporated)
DIR ArcView INFO Directory Manager File (ESRI)
DIS Soundweb Firmware File (BSS Audio)
DIS Corel Draw Thesaurus
DIS Oracle Discoverer Workbook (Oracle)
DIZ Description In Zip File
DJV DjVu File
DJVU DjVu File (LizardTech, Inc.)
DLC 3ds Max Animation Controller File (Autodesk, Inc.)
DLC Disclib Library Database (Lyra Software Ltd.)
DLC JDownloader Download Link Container (JDownloader Team)
DLD 1-2-3 (IBM)
DLL Dynamic Link Library
DLM Microsoft File Transfer Manager Partial Download File (Microsoft Corporation)
DLM Adobe Download Manager Partial Download (Adobe Systems Incorporated)
DLM 3ds Max (Autodesk, Inc.)
DM Paradox Data Model (Borland Software Corporation)
DMC Medical Manager DML System Compiled Script
DMG Oracle Binary Format Dump File (Oracle)
DMG Macintosh OS X Disk Copy Disk Image File (Apple Inc.)
DML DynaScript Markup Language (Dynascript Technologies, Inc.)
DML Digital Moderation Meeting Script (teambits Ltd.)
DML Darn! Shopping! Mall File
DMP Screen or Memory Dump
DMP Windows Error Dump (Microsoft Corporation)
DMP PDP-10 Uncompressed Core Dump
DMS Exigen Workflow Imaging File (Exigen, Inc.)
DMS Amiga DISKMASHER Compressed Archive
DNG Digital Negative Format (Adobe Systems Incorporated)
DNG Dungeon File
DNL DeskTop Author eBook - eCatalog - eCard - eBrochure (DNAML)
DO 4oD Player Playlist (Channel 4)
DO ModelSim Script File (Mentor Graphics Corp.)
DOC Perfect Office Document (Perfect Office)
DOC Word Document (Microsoft Corporation)
DOC Word DOT File (Microsoft Corporation)
DOCX Word Microsoft Office Open XML Format Document (Microsoft Corporation)
DOS 1st Reader External Command File
DOT Word Document Template (Microsoft Corporation)
DOT Graphviz DOT Language File (AT&T Research)
DOT Ribbons Molecular Dot Surface
DOX Word Text Document (Microsoft Corporation)
DOX Actuate Basic Information Object (Actuate Corporation)
DOX Visual Basic User Document Binary Form File (Microsoft Corporation)
DPF DanProgrammer Script (DanSoft Australia)
DPF COMPRESS Vessel Drafting Program File
DPF F-Secure Default Policy File (F-Secure)
DPG nDs-mPeG Video
DPP Document Processor CORE Project File ([email protected] IT Consulting GmbH)
DPR C++ Default Project (Borland Software Corporation)
DPR Dance Paranoia
DRF 3D Studio Scene (Autodesk, Inc.)
DRF Hummingbird DOCS Open, PowerDOCS, DM
DRF DrFrame
DRG VLBI and Tied Array Drudge Tasking Document
DRG AllyCAD CAD Design Drawing (Knowledge Base)
DRL DocObject Resource Locator
DRM Yamaha Drum Kits (Yamaha Corporation of America)
DRM Cubase Drum File (Steinberg)
DRV Traverse PC Desktop Drawing (Traverse PC, Inc.)
DRV Device Driver
DRW Freelance Graphics Version 2 for DOS Drawing/Presentation (IBM)
DRW Drawing
DRW CADS Planner Drawing (Kymdata Oy)
DSB DasyTec DASYLab File
DSB Embroidery File
DSB DiscSafe Backup (Engelmann Media GmbH)
DSC Nikon Disk Identification File (Nikon Inc.)
DSC DPKG-source
DSC Belief Network (Microsoft Corporation)
DSD DataShaper Database File
DSF Designer Vector Graphic (Corel)
DSF DataCAD Double Precision Symbol File with Layers (DATACAD LLC)
DSF Borland C++ or Turbo Pascal Project Desktop Settings File
DSK Delphi Project Desktop File (Borland Software Corporation)
DSK Generic Disk Image
DSK Apple II or Macintosh Game ROM/Disk Image (Apple Inc.)
DSN ISIS Schematic Capture Schematic File (Labcenter Electronics Ltd)
DSN CD Stomper Pro
DSN OrCAD Schematic Capture Schematic File (Cadence Design Systems, Inc.)
DSP Developer Studio Project (Microsoft Corporation)
DSS DCC Active Designer File
DSS Action Replay Saved Game File (Datel Ltd.)
DSS HEC-DSS Hydrologic Database (Hydrologic Engineering Center)
DST C++ Desktop Settings (Borland Software Corporation)
DST DST Compressed File
DST AutoCAD Sheet Set File (Autodesk, Inc.)
DSW C++ Desktop Settings (Borland Software Corporation)
DSW Visual Studio Workspace (Microsoft Corporation)
DTA Data
DTA EZ-Forms Data File in Standard EZ-Forms Format (EZ-Forms Company)
DTD DesignTools 2D Design (TechSoft UK Limited)
DTD ArcView UNIX Hyperhelp Supporting File (ESRI)
DTF Lotus Domino Server Temporary Files (IBM)
DTF ACDSee Use Database (ACD Systems Ltd.)
DTF Exchange Header File (Microsoft Corporation)
DTL Hal/Supernova/Lunar/LunarPlus Screen Readers/Magnifiers
DTL Windows Applog File (Microsoft Corporation)
DTL Studio 400 TitleDeko File (Pinnacle Systems, Inc.)
DTM DigiTrekker Module
DTM Topocad (Chaos Systems AB)
DTM DeFy Adlib Tracker
DTP Page Express Desktop Publishing Document
DTS iSite Enterprise Medical Image (Koninklijke Philips Electronics N.V.)
DTS Data Transformation Services (Microsoft Corporation)
DUS Readiris Font Dictionary
DV DESQview Script (Symantec)
DV Digital Video File
DVD Animation
DVF Sony Compressed Voice File (Sony Corporation of America)
DVI TeX Device Independent Document
DVI GlossTeX Installation Instructions
DVI Action Media II Digital Video Interactive Movie
DVR DESQview (Symantec)
DVR Media Center Recorded Television File (Microsoft Corporation)
DVR DVR-Studio Stream (Haenlein-Software)
DWF Autodesk Design Web Format (Autodesk, Inc.)
DWG BravoDRAFT, Detailer
DWG AutoCAD Drawing Database (Autodesk, Inc.)
DWL AutoCAD Drawing Database File Locking Information (Autodesk, Inc.)
DWP SharePoint Portal Server Dashboard Web Part File (Microsoft Corporation)
DWP Darwin Pond
DWT Dreamweaver Template File (Adobe Systems Incorporated)
DWT AutoCAD Template/Prototype (Autodesk, Inc.)
DWT SharePoint Designer (Microsoft Corporation)
DXF AutoCAD Drawing Interchange Format (Autodesk, Inc.)
DXF XMap Exported Draw File (Delorme)
DXR Dependable Strengths Administrator Resources
DXR Macromedia Director Protected Movie File (Macromedia)
DXR Acrobat (Adobe Systems Incorporated)

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