Developer Files
The Developer Files category contains files related to software development. These include programming project files, source code files, code libraries, header files, and class files. Compiled objects and components are also included in this category.
Common developer file extensions include .C, .CS, .M, and .JAVA.
| Extension | File Type | Popularity |
|---|---|---|
| .AWK | AWK Script | 4.6 |
| .APPXBUNDLE | Windows App Bundle | 4.5 |
| .UNITY | Unity Scene File | 4.4 |
| .LGO | Logo Instructions File | 4.4 |
| .IN | Autoconf Input File | 4.3 |
| .RBXL | Roblox Location | 4.3 |
| .KV | Kivy Language File | 4.3 |
| .CS | C# Source Code File | 4.3 |
| .SB | Scratch Project File | 4.3 |
| .SB2 | Scratch 2.0 Project File | 4.3 |
| .SB3 | Scratch 3.0 Project | 4.3 |
| .YPR | BYOB Project File | 4.3 |
| .PYD | Python Dynamic Module | 4.3 |
| .KT | Kotlin Source Code File | 4.3 |
| .IPR | IntelliJ IDEA Project File | 4.3 |
| .APPX | Windows App Package | 4.2 |
| .RBXM | Roblox Model | 4.2 |
| .INO | Arduino Sketch | 4.2 |
| .CLASS | Java Class File | 4.2 |
| .GITATTRIBUTES | Git Attributes File | 4.2 |
| .PY | Python Script | 4.1 |
| .CPP | C++ Source Code File | 4.1 |
| .LUC | Compiled Lua Source File | 4.1 |
| .GCH | Precompiled Header File | 4.1 |
| .TRX | Visual Studio Test Results File | 4.1 |
| .MM | Objective-C++ Source File | 4.1 |
| .C | C/C++ Source Code File | 4.1 |
| .GM81 | Game Maker 8.1 Project File | 4.1 |
| .VBP | Visual Basic Project File | 4.0 |
| .ARSC | Android Package Resource Table | 4.0 |
| .ASM | Assembly Language Source Code File | 4.0 |
| .AIDL | Android Interface Definition Language File | 4.0 |
| .MD | Markdown Documentation File | 4.0 |
| .XQ | XQuery File | 4.0 |
| .CAPROJ | Construct Project File | 4.0 |
| .AM4 | AutoPlay Media Studio 4 Project File | 4.0 |
| .SC | Scala Worksheet | 4.0 |
| .HAS | Haskell Script | 4.0 |
| .TT | Visual Studio Text Template | 4.0 |
| .YMP | YaST Metapackage File | 4.0 |
| .PAS | Delphi Unit Source File | 4.0 |
| .SLOGO | StarLogo Project File | 4.0 |
| .PH | Perl Header File | 4.0 |
| .LUA | Lua Source Code | 4.0 |
| .B | BASIC Source File | 4.0 |
| .PO | Portable Object | 4.0 |
| .GS | Google Apps Script | 4.0 |
| .RS | Rust Source Code File | 4.0 |
| .PBG | Pixel Bender Graph File | 4.0 |
| .PWN | Pawn Source Code File | 3.9 |
| .MF | Java Manifest File | 3.9 |
| .SWC | Flex Components Archive | 3.9 |
| .CONFIG | Configuration File | 3.9 |
| .SWIFT | Swift Source Code File | 3.9 |
| .CC | C++ Source Code File | 3.9 |
| .VDPROJ | Visual Studio Setup and Deployment Project | 3.9 |
| .PATCH | Patch File | 3.9 |
| .JAVA | Java Source Code File | 3.9 |
| .FS | Visual F# Source File | 3.9 |
| .COD | Compiled Source Code | 3.9 |
| .HS | Haskell Script | 3.9 |
| .Y | Yacc Source File | 3.9 |
| .SUO | Visual Studio Solution User Options File | 3.9 |
| .CAPX | Construct Compressed Project File | 3.9 |
| .OCX | ActiveX Control | 3.9 |
| .NK | NUKE Script | 3.9 |
| .ISE | InstallShield Express Project File | 3.9 |
| .GMX | GameMaker File | 3.9 |
| .GMK | GameMaker Project File | 3.9 |
| .R | R Script File | 3.9 |
| .RESOURCES | Visual Studio Resource File | 3.9 |
| .SMALI | Android Smali Assembly Language File | 3.9 |
| .V12.SUO | Visual Studio 2013 Solution User Options File | 3.9 |
| .QPR | FoxPro Generated Query Program | 3.9 |
| .YML | YAML Document | 3.9 |
| .DEF | Module-Definition File | 3.9 |
| .DEX | Dalvik Executable File | 3.9 |
| .HPP | C++ Header File | 3.9 |
| .SO | Shared Library | 3.9 |
| .RES | C++ Complied Resource Script | 3.9 |
| .CD | Visual Studio Class Diagram | 3.9 |
| .CSPROJ | Visual Studio C# Project | 3.9 |
| .ML | ML Source Code File | 3.9 |
| .BBC | BBC BASIC Data File | 3.9 |
| .BPL | Borland Package Library | 3.9 |
| .FBP | wxFormBuilder Project | 3.9 |
| .BET | BETA Source File | 3.9 |
| .SLN | Visual Studio Solution File | 3.8 |
| .MK | Makefile | 3.8 |
| .S | Source Code File | 3.8 |
| .ENTITLEMENTS | Mac App Sandboxing Entitlements File | 3.8 |
| .BLUEJ | BlueJ Package File | 3.8 |
| .TK | Tk Script | 3.8 |
| .PJX | FoxPro Project | 3.8 |
| .DTD | Document Type Definition File | 3.8 |
| .RUL | InstallShield Rules File | 3.8 |
| .SWD | Flash Debug File | 3.8 |
| .O | Compiled C Object File | 3.8 |
| .RB | Ruby Source Code | 3.8 |
| .HBS | Handlebars Template | 3.8 |
| .MPX | FoxPro Compiled Program Menu | 3.8 |
| .SSI | Adobe Dreamweaver Server Side Include File | 3.8 |
| .ANE | Adobe AIR Native Extension | 3.8 |
| .PBXBTREE | Xcode Auto-Complete File | 3.8 |
| .NUSPEC | NuGet Specification File | 3.8 |
| .ERL | Erlang Source Code File | 3.8 |
| .AIA | MIT App Inventor Project | 3.8 |
| .XAMLX | Visual Studio Workflow Service File | 3.8 |
| .DGML | Visual Studio Directed Graph Document | 3.8 |
| .VCXPROJ | Visual C++ Project | 3.8 |
| .WDGT | Adobe Captivate Widget File | 3.8 |
| .LISP | Lisp Source Code File | 3.8 |
| .CCS | CodeCharge Studio Project File | 3.8 |
| .XCDATAMODELD | Xcode Core Data Model File | 3.8 |
| .RESX | .NET Managed Resources File | 3.8 |
| .RC | Resource Script | 3.8 |
| .XSD | XML Schema Definition | 3.8 |
| .RES | Windows Resource File | 3.8 |
| .AU3 | AutoIt v3 Script | 3.8 |
| .CXP | CX-Programmer Project File | 3.8 |
| .PROTO | Protocol Buffer File | 3.8 |
| .XT | Xdebug Trace File | 3.8 |
| .XAML | XAML File | 3.8 |
| .V | Verilog Source Code File | 3.8 |
| .PB | PureBasic Source File | 3.8 |
| .IPR | InstallShield Professional Project File | 3.8 |
| .S19 | Motorola S19 File Record | 3.8 |
| .ADS | Ada Specification File | 3.8 |
| .CTP | CakePHP Template | 3.8 |
| .PL | Perl Script | 3.8 |
| .H | C/C++/Objective-C Header File | 3.8 |
| .PYW | Python GUI Source File | 3.8 |
| .PBJ | Pixel Bender Bytecode File | 3.8 |
| .EX | Euphoria Source Code | 3.8 |
| .FXML | FXML Source Code File | 3.8 |
| .APPXUPLOAD | Windows 8 App Upload Package | 3.8 |
| .RPY | Python Script | 3.8 |
| .VB | Visual Basic Project Item File | 3.7 |
| .D | D Source Code File | 3.7 |
| .YAML | YAML Document | 3.7 |
| .W32 | Win32 Makefile | 3.7 |
| .IDB | Visual Studio Intermediate Debug File | 3.7 |
| .TARGETS | MSBuild Targets File | 3.7 |
| .MRT | Stimulsoft Report File | 3.7 |
| .MSIX | MSIX Installer Package | 3.7 |
| .AS3PROJ | FlashDevelop ActionScript 3 Project File | 3.7 |
| .DPROJ | Delphi Project | 3.7 |
| .REXX | Rexx Source File | 3.7 |
| .IML | IntelliJ IDEA Module | 3.7 |
| .MO | Machine Object File | 3.7 |
| .SCC | SourceSafe Source Code Control File | 3.7 |
| .FPM | FPS Creator Map File | 3.7 |
| .VBG | Visual Basic Project Group File | 3.7 |
| .TWIG | Twig Template | 3.7 |
| .AP_ | ADT Android Developer Package | 3.7 |
| .L | Lex Source File | 3.7 |
| .4DB | 4th Dimension Database Structure File | 3.7 |
| .CU | CUDA Source Code File | 3.7 |
| .SC | SuperCollider Source Code File | 3.7 |
| .CSX | Visual C# Script | 3.7 |
| .AS | ActionScript File | 3.7 |
| .ASI | Alpha Five Variable File | 3.7 |
| .BAS | BASIC Source Code File | 3.7 |
| .FRX | Visual Basic Binary Form File | 3.7 |
| .GITIGNORE | Git Ignore File | 3.7 |
| .TESTSETTINGS | Visual Studio Test Settings File | 3.7 |
| .TLH | Typelib Generated C/C++ Header File | 3.7 |
| .CSP | Caché Server Page | 3.7 |
| .DCP | Delphi Compiled Package | 3.7 |
| .PBXUSER | Xcode Project User Data File | 3.7 |
| .FTL | FreeMarker Template File | 3.7 |
| .GM6 | GameMaker 6 Project File | 3.7 |
| .GSPROJ | GameSalad Windows Project File | 3.7 |
| .AGI | Asterisk Gateway Interface File | 3.7 |
| .GLD | MPLAB C Compiler Linker Script File | 3.7 |
| .JSFL | Animate JSFL Script File | 3.7 |
| .JSPF | Java Server Page Fragment | 3.7 |
| .FXC | FilePackager Configuration | 3.7 |
| .HH | C++ Header File | 3.7 |
| .TPU | Turbo Pascal Unit | 3.7 |
| .PRO | Qt Project File | 3.7 |
| .PAS | Pascal Source File | 3.7 |
| .DPR | Delphi Project | 3.6 |
| .ABC | ActionScript Byte Code File | 3.6 |
| .PBXPROJ | Xcode Project Data File | 3.6 |
| .NUPKG | NuGet Package | 3.6 |
| .INC | Include File | 3.6 |
| .I | Visual Studio Intermediate File | 3.6 |
| .LIVECODE | LiveCode Stack File | 3.6 |
| .SUD | Super Project Analyzer File | 3.6 |
| .F90 | Fortran 90 Source Code File | 3.6 |
| .AM7 | AutoPlay Media Studio 7 Project | 3.6 |
| .MAK | Makefile | 3.6 |
| .FRAMEWORK | Mac OS X Application Framework | 3.6 |
| .CLS | Program Class File | 3.6 |
| .VBX | Visual Basic Custom Control | 3.6 |
| .APA | RSView Development Project Archive | 3.6 |
| .STORYBOARD | Xcode Interface Builder Storyboard | 3.6 |
| .UI | User Interface File | 3.6 |
| .ASC | ActionScript Communication File | 3.6 |
| .KDEVELOP | KDevelop Project Data File | 3.6 |
| .KDEVPRJ | KDevelop Project File | 3.6 |
| .DPL | Delphi Package Library | 3.6 |
| .DMD | SQL Developer Data Modeler File | 3.6 |
| .IDL | Interface Definition Language File | 3.6 |
| .NIB | Interface Builder User Interface File | 3.6 |
| .XCWORKSPACE | Xcode Workspace | 3.6 |
| .PLC | PL/B Source File | 3.6 |
| .SVN-BASE | Subversion Base File | 3.6 |
| .V | Coq Source Code File | 3.6 |
| .VM | Velocity Template | 3.6 |
| .MARKDOWN | Markdown Documentation File | 3.6 |
| .M | Objective-C Implementation File | 3.6 |
| .VHD | VHDL Source File | 3.6 |
| .RC2 | Visual Studio Resources File | 3.6 |
| .CBP | Code::Blocks Project File | 3.6 |
| .WIQ | Visual Studio Work Item Query File | 3.6 |
| .F | Fortran Source Code | 3.6 |
| .AS2PROJ | FlashDevelop ActionScript 2 Project File | 3.6 |
| .PIKA | Pika Software Builder Project File | 3.6 |
| .JIC | JTAG Indirect Configuration File | 3.6 |
| .AUTOPLAY | AutoPlay Media Studio Project File | 3.6 |
| .W | OpenEdge Architect Source Code File | 3.6 |
| .NXC | Not eXactly C Source Code File | 3.6 |
| .HAL | HansaWorld Application Language File | 3.6 |
| .SMA | AMX Mod Plugin Source File | 3.6 |
| .ALB | Alpha Five Library | 3.5 |
| .RSRC | Macintosh Resource File | 3.5 |
| .AM6 | AutoPlay Media Studio 6 Project | 3.5 |
| .LTB | LithTech Binary File | 3.5 |
| .NVV | NVIDIA Vertex Shader File | 3.5 |
| .PRG | RAPID Program File | 3.5 |
| .SLTNG | StarLogo TNG Project File | 3.5 |
| .ICONSET | Mac OS X Icon Set Folder | 3.5 |
| .WDL | World Definition Language Script | 3.5 |
| .HAML | Haml Source Code File | 3.5 |
| .DBML | Visual Studio OR Design File | 3.5 |
| .LSPROJ | Visual Studio LightSwitch Project | 3.5 |
| .WSC | Windows Script Component | 3.5 |
| .DF1 | Omnis Native Datafile | 3.5 |
| .WDP | Windev Project File | 3.5 |
| .OCA | Custom Control Library Type File | 3.5 |
| .LNT | PC-lint/FlexeLint Configuration File | 3.5 |
| .SYM | Symbols File | 3.5 |
| .M4 | Macro Processor Library | 3.5 |
| .FSSCRIPT | Visual F# Script | 3.5 |
| .MCP | CodeWarrior Project | 3.5 |
| .CLW | Visual C++ ClassWizard File | 3.5 |
| .WDW | WinDev Window File | 3.5 |
| .XPP | X++ Source Code File | 3.5 |
| .RBC | Rembo-C Script | 3.5 |
| .FOR | Fortran Source Code File | 3.5 |
| .PBK | Pixel Bender Kernel File | 3.5 |
| .LDS | Binutils LD Linker Script | 3.5 |
| .DSGM | DS Game Maker Project | 3.5 |
| .TUR | Turing Program Source File | 3.5 |
| .ISM | InstallShield Project File | 3.5 |
| .CXX | C++ Source Code File | 3.5 |
| .NLS | NetLogo Source File | 3.5 |
| .WSP | SharePoint Solution Package | 3.5 |
| .NSI | NSIS Script | 3.5 |
| .RDLC | Visual Studio Client Report Definition File | 3.5 |
| .SAS | SAS Program File | 3.5 |
| .ILK | Incremental Linking File | 3.4 |
| .M | MATLAB Source Code File | 3.4 |
| .BB | Blitz Source Code File | 3.4 |
| .PL1 | PL/I Source Code | 3.4 |
| .NBC | Next Byte Codes Source Code File | 3.4 |
| .ASM | Visual Studio Assembler Source Code File | 3.4 |
| .PKGDEF | Visual Studio Shell File | 3.4 |
| .XCCONFIG | Xcode Configuration Settings File | 3.4 |
| .OMO | OMake Object File | 3.4 |
| .OCTEST | Xcode Objective-C Unit Test Bundle | 3.4 |
| .GEM | RubyGems Package | 3.4 |
| .SUP | Super Project Definition File | 3.4 |
| .KPL | Kids Programming Language File | 3.4 |
| .MYAPP | Visual Studio Application XML File | 3.4 |
| .PLAYGROUND | Xcode Playground File | 3.4 |
| .MER | RSView Development Runtime File | 3.4 |
| .IPCH | Intellisense Precompiled Header File | 3.4 |
| .UML | UML Data Object Model | 3.4 |
| .HXX | C++ Source Code Header File | 3.4 |
| .PL | Prolog Source Code File | 3.3 |
| .XOML | Windows Workflow File | 3.3 |
| .ERB | Ruby ERB Script | 3.3 |
| .CP | Xcode C++ Source File | 3.3 |
| .DIFF | Patch File | 3.3 |
| .CTXT | BlueJ Context File | 3.3 |
| .OWL | OWL Source Code File | 3.3 |
| .MSHA | Microsoft Help Asset File | 3.3 |
| .V11.SUO | Visual Studio 2012 Solution User Options File | 3.3 |
| .INL | C++ Inline File | 3.3 |
| .MSHI | Microsoft Help Index File | 3.3 |
| .XOJO_XML_PROJECT | Xojo XML Project File | 3.3 |
| .MSS | Microprocessor Software Specification File | 3.3 |
| .MSHC | Microsoft Help Container File | 3.3 |
| .CDF | CryENGINE Character Definition File | 3.3 |
| .ACD | RSLogix 5000 Program | 3.3 |
| .PCP | Windows Installer Patch Creation Properties File | 3.3 |
| .REFRESH | Visual Studio Refresh File | 3.3 |
| .JPR | JBuilder Project | 3.3 |
| .PYX | Pyrex Source Code File | 3.3 |
| .SRC | Source Code File | 3.3 |
| .CSI | ContentServ Include File | 3.3 |
| .EXP | Symbols Export File | 3.3 |
| .A2W | Alice World | 3.3 |
| .DGSL | Visual Shader Graph File | 3.3 |
| .CCN | Compressed Multimedia Fusion File | 3.3 |
| .PLI | PL/I Source Code File | 3.3 |
| .WXL | WiX Localization File | 3.3 |
| .PM | Perl Module | 3.3 |
| .VDP | Visual Studio Deployment Project | 3.3 |
| .DM1 | ER/Studio Data Model File | 3.3 |
| .NW | Node-Webkit App Package | 3.3 |
| .EDMX | ADO.NET Entity Data Model Designer File | 3.3 |
| .XOJO_PROJECT | Xojo Project File | 3.3 |
| .VSMACROS | Visual Studio Binary Macro Project | 3.3 |
| .FORTH | Forth Language File | 3.3 |
| .VBPROJ | Visual Studio Visual Basic.NET Project | 3.2 |
| .PRI | Package Resource Index File | 3.2 |
| .BSC | Visual Studio Source Browser Information File | 3.2 |
| .NSH | NSIS Header File | 3.2 |
| .ASVF | Asphyre Sphinx Archive File | 3.2 |
| .MV | MivaScript File | 3.2 |
| .WXS | WiX Source File | 3.2 |
| .A | Static Library | 3.2 |
| .PTL | Rational Rose Petal File | 3.2 |
| .PPC | Mobile Data Studio Project File | 3.2 |
| .LBI | Dreamweaver Library Item | 3.2 |
| .PXD | Pyrex Definition File | 3.2 |
| .DOB | Visual Basic UserDocument | 3.2 |
| .FTN | Fortran Source Code File | 3.2 |
| .CBL | COBOL Source Code File | 3.1 |
| .IST | InstallShield Project Template File | 3.1 |
| .TCL | Tcl Script | 3.1 |
| .DEC | Declaration File | 3.1 |
| .HPF | High Performance Fortran File | 3.1 |
| .VSSSCC | Visual Studio Solution Source Control File | 3.1 |
| .CAF | CryENGINE Character Animation File | 3.1 |
| .PCH | Precompiled Header File | 3.1 |
| .MOM | Managed Object Model | 3.1 |
| .T | Turing Source Code File | 3.1 |
| .POT | Portable Object Template | 3.1 |
| .VC | Verge Code File | 3.1 |
| .WIXMST | WiX Transform File | 3.0 |
| .WIXOBJ | WiX Object File | 3.0 |
| .VSZ | Visual Studio Wizard File | 3.0 |
| .LXSPROJ | Liquid XML Studio Project File | 3.0 |
| .TLD | Tag Library Descriptor File | 3.0 |
| .WIXOUT | WiX XML Output File | 3.0 |
| .TEXTFACTORY | BBEdit Text Factory | 3.0 |
| .FBZ7 | Compressed FinalBuilder 7 Project | 3.0 |
| .RNC | RELAX NG Compact Syntax File | 3.0 |
| .RBP | Real Studio Project File | 3.0 |
| .BBPROJECT | BBEdit Project File | 3.0 |
| .ODL | Object Description Language File | 3.0 |
| .CVSRC | CVS Command File | 3.0 |
| .WIXLIB | WiX Library File | 3.0 |
| .XOJO_BINARY_PROJECT | Xojo Binary Project File | 3.0 |
| .XQL | XML Query Language File | 3.0 |
| .PRI | Qt Project Include File | 3.0 |
| .P3D | Panda3D Multifile | 3.0 |
| .GORM | Gorm Interface Resource File | 3.0 |
| .VBZ | Visual Basic Project Template | 3.0 |
| .XOJO_MENU | Xojo Menu File | 3.0 |
| .PDM | VB Project Information File | 3.0 |
| .JCP | JCreator Project File | 3.0 |
| .FXL | FaceFX Language File | 3.0 |
| .VDM | VDM Specification File | 3.0 |
| .LUCIDSNIPPET | Lucid Snippet | 3.0 |
| .GEMSPEC | Gem Specification File | 3.0 |
| .CP | Captivate Source File | 3.0 |
| .XCAPPDATA | Xcode App Data File | 3.0 |
| .GSZIP | GameSalad Marketplace Asset File | 3.0 |
| .RAV | Rave Reports Project File | 3.0 |
| .NEKO | Neko Source Code File | 3.0 |
| .XCODEPROJ | Xcode Project | 3.0 |
| .FXCPROJ | FX Composer Project File | 3.0 |
| .CCP | CodeCharge Studio Page File | 3.0 |
| .LBS | Omnis Library | 3.0 |
| .FSPROJ | FireStarter Project File | 3.0 |
| .SCRIPTTERMINOLOGY | AppleScript Script Terminology File | 3.0 |
| .GAMEPROJ | GameSalad Project File | 3.0 |
| .IWB | IWBasic Source Code File | 3.0 |
| .DPKW | Delphi Package | 3.0 |
| .RODL | RemObjects Definition Language File | 3.0 |
| .EQL | Embedded SQL File | 3.0 |
| .RISE | RISE Editor Model File | 3.0 |
| .DCUIL | Delphi .NET Compiled Unit File | 3.0 |
| .GED | Game Editor Project File | 3.0 |
| .VSPS | Visual Studio Serialized Performance Report | 3.0 |
| .SRC.RPM | Red Hat Package Manager Source File | 3.0 |
| .LICX | Visual Studio License File | 3.0 |
| .GMO | GNU Machine Object File | 3.0 |
| .RESW | Windows Resources File | 3.0 |
| .VSPSCC | Visual Studio Project Source Control File | 3.0 |
| .GS3 | GameStarter File | 3.0 |
| .AM5 | AutoPlay Media Studio 5 Project File | 3.0 |
| .MDZIP | MagicDraw Project Archive | 3.0 |
| .RSS | Symbian Application Resource File | 3.0 |
| .TLI | Typelib Generated C/C++ Inline File | 3.0 |
| .DBPROJ | Visual Studio Database Project File | 3.0 |
| .BS2 | BASIC Stamp 2 Code File | 3.0 |
| .TESTRUNCONFIG | Visual Studio Test Run Configuration File | 3.0 |
| .VSPX | Visual Studio Performance Report Data File | 3.0 |
| .TMLANGUAGE | TextMate Language Grammar File | 3.0 |
| .PKGUNDEF | Visual Studio Shell File | 3.0 |
| .VTM | Visual Tool Markup Language Document | 3.0 |
| .XCSNAPSHOTS | Xcode Snapshot | 3.0 |
| .IWS | IntelliJ IDEA Web Page | 3.0 |
| .BCP | Borland C++ Makefile | 3.0 |
| .COB | COBOL Source Code File | 3.0 |
| .WPW | WinDev Mobile Window File | 3.0 |
| .WDGTPROJ | Dashcode Widget Project | 3.0 |
| .TNS | TI-Nspire Document | 3.0 |
| .PSC | Papyrus Script | 3.0 |
| .ENT | External Entity | 2.9 |
| .CTL | Visual Basic UserControl Object File | 2.9 |
| .LPROJ | Localized Project Folder | 2.8 |
| .XCARCHIVE | Xcode Archive | 2.8 |
| .BRX | BREW Application Resource File | 2.8 |
| .IDT | Windows Installer Database Text Archive File | 2.8 |
| .DBA | CryENGINE Animation Database File | 2.8 |
| .GREENFOOT | Greenfoot Project Archive | 2.8 |
| .LICENSES | Visual Studio Licensed Classes File | 2.8 |
| .4TH | Forth Language File | 2.8 |
| .SPEC | RPM Specification File | 2.8 |
| .FSPROJ | Visual F# Project File | 2.8 |
| .EDML | Adobe Extension Data Markup Language Document | 2.8 |
| .XIB | Interface Builder File | 2.8 |
| .DSP | Visual C++ 6 Project | 2.8 |
| .VGC | ViziGen Code Generation Template | 2.8 |
| .P | Pascal Source Code | 2.7 |
| .PLE | Messenger Plus! Live Encrypted Log File | 2.7 |
| .TDS | Turbo Debugger Symbols File | 2.7 |
| .MOD | Fortran Module | 2.7 |
| .POD | Perl POD File | 2.7 |
| .BBPROJECTD | BBEdit Project Document | 2.7 |
| .VTV | Adobe Dreamweaver Validator Configuration File | 2.7 |
| .CSN | Adobe Code Snippet Document | 2.7 |
| .DPK | Delphi Package | 2.6 |
| .R | Rez Source Code File | 2.6 |
| .APS | Visual C++ Resource File | 2.6 |
| .NED | OMNeT++ Network Description File | 2.6 |
| .ADDIN | Visual Studio Add-in Definition File | 2.6 |
| .MPR | FoxPro Generated Menu Program | 2.6 |
| .INFORM | Inform Project | 2.5 |
| .PRG | Visual FoxPro Program File | 2.5 |
| .TU | Turing Source File | 2.5 |
| .FSX | Visual F# Script File | 2.5 |
| .FXPL | Adobe Flash FXP Library | 2.5 |
| .PSM1 | Windows PowerShell Script Module File | 2.5 |
| .XQM | XQuery Module | 2.5 |
| .SQLPROJ | Visual Studio SQL Server Project | 2.5 |
| .GFAR | Greenfoot Archive | 2.5 |
| .SDEF | AppleScript Dictionary Document | 2.5 |
| .VSMPROJ | Visual Studio Text Macro Project | 2.5 |
| .VSMDI | Visual Studio Test Metadata File | 2.5 |
| .DCPROJ | Dashcode Project | 2.5 |
| .VTML | Visual Tool Markup Language File | 2.5 |
| .GROUPPROJ | Delphi Project Group File | 2.5 |
| .RBW | Ruby Script | 2.5 |
| .DBO | DarkBASIC Object | 2.5 |
| .MSP | MaxScript Page File | 2.4 |
| .CFC | ColdFusion Component File | 2.4 |
| .WIXPROJ | WiX Project File | 2.4 |
| .PDE | Processing Development Environment Source Code File | 2.4 |
| .LHS | Literate Haskell Script | 2.4 |
| .VSP | Visual Studio Performance Report File | 2.4 |
| .DCU | Delphi Compiled Unit | 2.3 |
| .RKT | Racket Source Code File | 2.3 |
| .EXW | Euphoria Source code File | 2.3 |
| .DFM | Delphi Form | 2.3 |
| .CSI | EdLog Program Data File | 2.3 |
| .GROOVY | Groovy Source Code File | 2.3 |
| .NCB | Visual C++ IntelliSense Database | 2.2 |
| .BPG | Borland Project Group | 2.2 |
| .CCGAME | XNA Creators Club Game Package | 2.1 |
| .MAGIK | Magik Source Code File | 2.0 |
| .NFM | Delphi .NET Form File | 2.0 |
| .SCRIPTSUITE | AppleScript Script Suite File | 2.0 |
| .RESJSON | Windows JavaScript Resources File | 2.0 |
| .ARTPROJ | Artifacts Project | 2.0 |
| .SBPROJ | OpenGL Shader Builder Project | 2.0 |
| .DBPRO | DarkBASIC Professional Project File | 2.0 |
| .DBA | DarkBASIC Source Code File | 2.0 |
| .WFM | dBASE Form | 2.0 |
| .FSI | Visual F# Signature File | 2.0 |
| .NQC | Not Quite C Source Code File | 2.0 |
| .WXI | WiX Include File | 2.0 |
| .LIT | Literate Haskell Script | 2.0 |
| .WIXMSP | WiX XML Patch File | 2.0 |
| .WIXPDB | WiX Debug File | 2.0 |
| .XQUERY | XQuery Source Code File | 2.0 |
| .VCP | eMbedded Visual C++ Project File | 2.0 |
| .SSC | SourceSafe Status File | 1.8 |
| .DEVICEIDS | Device Identification FIle | 1.7 |
| .JPX | JBuilder Project | 1.6 |
| .GMD | Game Maker Program Code | 1.5 |
| .R | REBOL Script | 1.4 |
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