| dmdl | Asakusa Framework DMDL Model Data |
| dmdz | SQL Developer Data Modeler Design |
| dml | Medical Manager DML System Script |
| dml | PowerDynamo Dynascript Script |
| dmm | BYOND Dream Maker Map |
| dmp | BYOND Dream Maker Map Data |
| dmp | PDP-10 Core Dump |
| dms | BYOND Dream Maker Script |
| dmt | Delphi Menu Template |
| dmx | Medical Manager DML System Index |
| dmx | Microsoft SQL Server Data Mining Extension |
| dni | IAR System Debugger Initialization Data |
| dnx | IBM Rational Software Architect DNX Diagram |
| do | Stata Batch File |
| dob | Visual Basic User Document Form |
| docbook | DocBook Document |
| docset | Doxygen Document Set File |
| docstates | Visual Studio Document Tab State Data |
| dof | Delphi Option File |
| doh | Geoworks GEOS Dependency Information |
| dol | Uniface Global Object Data |
| dot | Dyalog APL Output Table |
| dotfuproj | Microsoft Visual Studio Dotfuscator Project |
| dotsettings | Visual Studio Solution Settings Data |
| dox | Doxygen DOX Data |
| dox | Visual Basic ActiveX Document Binary Form |
| doxy | Doxygen Data |
| dpb | ProWorx NXT Descriptor Pointer with Blocking |
| dpc | Delphi Package Collection |
| dpd | ABC Dyadic Predicate Data |
| dpf | ProWorx NXT Descriptor Pointer |
| dpj | Java Source Code Dependency Data |
| dpk | Delphi Package |
| dpkw | Delphi Package for Windows |
| dpl | Delphi Package Library |
| dpl | WinDev Duplicate Data |
| dplt | AppleScript Droplet |
| dpmi | DOS Protected-Mode Interface Data |
| dpo | Delphi Object Repository |
| drc | Delphi Resource Strings |
| drc | Xilinx ISE Design Rule Check Data |
| dres | Delphi Compiled Resource |
| drf | Delphi Resource Data |
| dro | Delphi Repository Object |
| ds | DAZ Studio ASCII Script |
| ds | DMDScript Source Code |
| dsb | DAZ Studio Binary Script |
| dsc | Crestron SIMPL Discovery Data |
| dsc | Debian Source Control Data |
| dse | DAZ Studio Encrypted Script |
| dse | Dyalog APL Session Data |
| dsf | Borland C++ Project Desktop Settings Data |
| dsf | ProWorx NXT Data Setup File |
| dsgl | Visual Studio Shader Graph Data |
| dshader | Visual Studio DShader Data |
| dsj | Crestron Avia DSP Custom Symbol Data |
| dsk | Delphi Project Desktop Data |
| dsl | Domain-Specific Language File |
| dslsetup | Domain-Specific Language Setup Data |
| dsm | Delphi Symbol Data |
| dsm | Microsoft Developer Studio Macro |
| dso | SymbianOS Dynamic Shared Object |
| dso | Visual Studio Workspace Data |
| dsp | Uniface Dynamic Server Page |
| dsprototype | Microsoft Visual Studio Prototype Data |
| dsr | Visual Basic Designer Data |
| dsu | ProWorx NXT Data Setup File |
| dsw | Microsoft Developer Studio Workspace |
| dsx | Visual Basic Designer Binary Data |
| dsym | Xcode Debugging Symbols |
| dta | Stata Data File |
| dtb | Linux Device Tree Blob |
| dtbo | Linux Device Tree Overlay |
| dtc | JetBrains DotTrace CPU Snapshot Data |
| dti | Design Time Information |
| dtml | Zope DTML File |
| dtp | JetBrains DotTrace Profile Data |
| dtq | Microsoft Visual Studio .NET SQL Query |
| dts | Linux Device Tree Source |
| dtsi | Linux Device Tree Include File |
| dtt | JetBrains DotTrace Timeline Data |
| dump | CodeWarrior Dump Data |
| dump | Library Symbols Data |
| dvb | Autodesk AutoCAD VBA Macro |
| dvc | LoseThos Partition Drive Data |
| dvc | Uniface Device Translation Table |
| dvt | Diver Trace File |
| dvtcolortheme | Xcode DVT Color Theme Data |
| dvtplugin | Xcode DVT Plug-in |
| dwarf | DWARF Data |
| dws | Dyalog Workspace |
| dws | Visual Studio Deployment Wizard Script |
| dxf | Dyalog APL Transfer Data |
| dxv | Dyalog APL External Variable Data |
| dya | Dyalect Source Code |
| dyalog | Dyalog APL SALT Data |
| dyapp | Dyalog APL SALT Application |
| dylan | Dylan Source Code |
| dylib | Mach-O Dynamic Library |
| dylib | Xcode Dynamic Library |
| dzi | Silverlight Deep Zoom Image |
| e | E Source Code |
| e | EiffelStudio Source Code |
| e | Epsilon Editor EEL Macro |
| e | Euphoria Include File |
| e3d | EDGELIB 3D Data |
| e4xmi | Eclipse Application Model Data |
| eao | ETEC Annotated Object |
| eappxbundle | Microsoft Windows 8.1 Encrypted App Bundle Package |
| easa | EASA Application Development File |
| easap | EASA Application Development Archive |
| easyc | EasyC Source Code |
| eax | CA ERwin Exported Data Model |
| eba | Emergence Basic Source Code |
| ebc | Xilinx ISE BitGen Configuration Data |
| ebd | Xilinx ISE BitGen Mask Data |
| ebh | Micro Focus Extra! Basic Header |
| ebj | Geoworks Error Checking Object |
| ebl | Ember EBL Bootloader |
| ebm | EXTRA! Basic Macro |
| ebuild | Portage eBuild Script |
| ec | Informix ESQL/C Source |
| ece | Escenic Content Engine Dynamic Page |
| ece | Oracle Application Express Dynamic Page |
| ecf | Sage CRM Conponent |
| eclipseproduct | Eclipse Product Marker |
| ecmp | WeintekHMI EasyBuilder Pro Compressed Project |
| eco | Informix ESQL/COBOL Source |
| ecore | Eclipse Modeling Data |
| ecore2xml | Eclipse EMF Ecore Model Mapping Data |
| ect | Visual C++ Exception Console Template |
| ed | LithTech Game Level Data |
| edb | Euphoria Database |
| edc | Uniface Entity Descriptor Data |
| edf | Altera Quartus II EDIF Input Data |
| edml | Adobe Dreamweaver EDML File |
| edmx | ADO.NET Entity Data Model Designer Data |
| edmx | Visual Studio Entity Data Model |
| edn | Clojure Extensible Data Notation File |
| edoc | Erlang EDoc Document |
| ee | BlackBerry JDE Execution Environment File |
| eep | AVRDUDE Eprom Data |
| eer | Lahey Fortran Error Data |
| egg | Panda3D Model Data |
| egg | Python Egg Package |
| egg-info | Python Egg Metadata |
| egg-link | Python Egg Link |
| egi | Egison Source Code |
| eglib | Adobe Edge Animate Library |
| egrid | Eclipse Grid Data |
| egt | GOLD Parser Enhanced Grammar Table |
| ejs | Embedded JavaScript Code |
| ejss | Easy JavaScript Simulation Data |
| eka | Eureka Internal Data |
| ekp | Altera Quartus II AES Encryption Key |
| el | Emacs Lisp Code |
| ela | EasyLanguage Archive |
| elb | Synergy/DE Executable Library |
| elc | Emacs Lisp Compiled Bytecode |
| eld | EasyLanguage Document |
| elf | Executable and Linkable Format File |
| elf | Xilinx ISE Block RAMs Data |
| elk | Altium Designer Linker Error Messages File |
| els | EasyLanguage Storage |
| emakefile | Erlang Makefile |
| emat | ANSYS Element Matrix Data |
| emcl | microC Library |
| emma | EMMA Data File |
| emma | Extensible MultiModal Annotation Markup Language Data |
| emof | Eclipse EMOF Model |
| emx | IBM Rational Software Architect Model |
| enigma | Enigma Protector Data |
| enigma64 | Enigma Protector x64 Data |
| entitlements | App Sandboxing Entitlements |
| env | WinDev Environment Data |
| enx | IBM Rational XDE ENX Data |
| eobj | Geoworks Object Code |
| eomodeld | Enterprise Object Framework Model |
| epf | IBM WebSphere Development Studio Client Profile |
| ephtml | Enhanced Perl-parsed HTML |
| epl | Encirq PL Source Code |
| epl | TallyMan EPL File |
| epl | Xilinx ISE FPGA Editor Command Log |
| epr | Eiffel Project Repository Data |
| erb | Ruby ERB Script |
| erbsql | Ruby ERB SQL Script |
| erc | Ercato Engine Code |
| erd | Active Media Eclipse Data |
| erl | Erlang Source Code |
| err | Visual FoxPro Compilation Error Data |
| err | WinDev Error Message |
| ers | Altium Designer Assembler Error Messages File |
| erubis | Erubis Script |
| es | ECMAScript Source Code |
| es | Sage CRM Script |
| es4 | ECMAScript 4 Source Code |
| es5 | ECMAScript 5 Source Code |
| es6 | ECMAScript 6 Source Code |
| esav | ANSYS Element Saved Data |
| escn | Godot Engine Exported Scene Data |
| esf | VisualAge Generator External Source |
| esk | ESock Module Information |
| esl | Microsoft Visual FoxPro Support Library |
| esp | Eclipse IDE Screensaver Project |
| essl | OpenGL ES Shader Language Data |
| esv | Uniface Entity Service Data |
| eth | Ether Source Code |
| eto | Visual Studio Enterprise Template Object |
| ev3b | Lego Mindstorms EV3 Block File |
| ev3m | Lego Mindstorms EV3 for iPad Program |
| ewd | IAR System Debugger Data |
| ewo | SIMATIC WinCC External Widget Object |
| ewu | Embedded Wizard Unit |
| eww | IAR System Workspace Data |
| ex | Euphoria Source Code |
| ex2 | ParaView Exodus II Mesh Data |
| ex4 | MQL4 Compiled Modules |
| ex5 | MetaTrader 5 Program |
| exml | Tizen Effect Model |
| exob | WeintekHMI EasyBuilder Pro Compiled Project |
| exp | ASCET Binary Export Data |
| exp | Visual C++ Export Data |
| exprwdasax | Microsoft Expression Web ASAX Data |
| exprwdasmx | Microsoft Expression Web ASMX Data |
| exprwddoclib | Microsoft Expression Web Document Library |
| exprwdhomepg | Microsoft Expression Web Home Page |
| exprwdhtml | Microsoft Expression Web HTML Page |
| exprwdnopub | Microsoft Expression Web NoPub Data |
| exprwdshtml | Microsoft Expression Web SHTML Data |
| exprwdsurvey | Microsoft Expression Web Survey Data |
| exprwdxoml | Microsoft Expression Web XOML Data |
| exprwdxslt | Microsoft Expression Web XSLT Data |
| exsd | Eclipse Extension Point Schema |
| ext | Visual Studio .NET DB Project Extended Properties |
| exv | Adobe Extension Script |
| ey | Engine Yard Project Configuration |
| ezc | EZGUI Designer Control Definition |
| eze | ErZorScript Source Code |
| ezg | EZGraphs Source Code |
| f | Fortran Source Code |
| f | GCC Flags Data |
| f | Win32Forth Source Code |
| f# | F# Source Code |
| f2k | Fortran 2000 Source Code |
| f4 | Fortran IV Source Code |
| f40 | PDP-10 Fortran-4 Source Code |
| f95 | Fortran 95 Source Code |
| facefx_ingame | FaceFX In-Game Actor Data |
| faces | FacesServlet Page |
| factor | Factor Source Code |