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 |
|---|---|---|
| .APPXBUNDLE | Windows App Bundle | 4.5 |
| .LGO | Logo Instructions File | 4.5 |
| .UNITY | Unity Scene File | 4.4 |
| .RBXMX | Roblox Model | 4.4 |
| .MQ5 | MQL5 Source Code File | 4.4 |
| .RBXL | Roblox Location | 4.3 |
| .IN | Autoconf Input File | 4.3 |
| .CS | C# Source Code File | 4.3 |
| .AWK | AWK Script | 4.3 |
| .SB | Scratch Project File | 4.3 |
| .SB2 | Scratch 2.0 Project File | 4.3 |
| .SB3 | Scratch 3.0 Project | 4.3 |
| .RBXM | Roblox Model | 4.3 |
| .IPR | IntelliJ IDEA Project File | 4.3 |
| .APPX | Windows App Package | 4.2 |
| .INO | Arduino Sketch | 4.2 |
| .CLASS | Java Class File | 4.2 |
| .PYD | Python Dynamic Module | 4.2 |
| .YPR | BYOB Project File | 4.2 |
| .KV | Kivy Language File | 4.2 |
| .GITATTRIBUTES | Git Attributes File | 4.2 |
| .XQ | XQuery File | 4.2 |
| .PY | Python Script | 4.2 |
| .CPP | C++ Source Code 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 |
| .KT | Kotlin Source Code File | 4.1 |
| .GM81 | Game Maker 8.1 Project File | 4.1 |
| .VBP | Visual Basic Project File | 4.0 |
| .TS | TypeScript File | 4.0 |
| .ASM | Assembly Language Source Code File | 4.0 |
| .ARSC | Android Package Resource Table | 4.0 |
| .PAS | Delphi Unit Source File | 4.0 |
| .MD | Markdown Documentation File | 4.0 |
| .SC | Scala Worksheet | 4.0 |
| .GS | Google Apps Script | 4.0 |
| .AIDL | Android Interface Definition Language File | 4.0 |
| .HAS | Haskell Script | 4.0 |
| .YMP | YaST Metapackage File | 4.0 |
| .SLOGO | StarLogo Project File | 4.0 |
| .PH | Perl Header File | 4.0 |
| .CAPROJ | Construct Project File | 4.0 |
| .TT | Visual Studio Text Template | 4.0 |
| .DSGM | DS Game Maker Project | 4.0 |
| .LUA | Lua Source Code | 4.0 |
| .B | BASIC Source File | 4.0 |
| .RS | Rust Source Code File | 4.0 |
| .PWN | Pawn Source Code File | 4.0 |
| .XAP | XACT Project | 4.0 |
| .PO | Portable Object | 4.0 |
| .PBG | Pixel Bender Graph File | 4.0 |
| .MF | Java Manifest File | 3.9 |
| .SWC | Flex Components Archive | 3.9 |
| .CONFIG | Configuration File | 3.9 |
| .PATCH | Patch File | 3.9 |
| .JAVA | Java Source Code File | 3.9 |
| .SWIFT | Swift Source Code File | 3.9 |
| .VDPROJ | Visual Studio Setup and Deployment Project | 3.9 |
| .R | R Script | 3.9 |
| .HPP | C++ Header File | 3.9 |
| .FS | Visual F# Source File | 3.9 |
| .GMK | GameMaker Project File | 3.9 |
| .COD | Compiled Source Code | 3.9 |
| .HS | Haskell Script | 3.9 |
| .Y | Yacc Source File | 3.9 |
| .NK | NUKE Script | 3.9 |
| .OCX | ActiveX Control | 3.9 |
| .PROTO | Protocol Buffer File | 3.9 |
| .ISE | InstallShield Express Project File | 3.9 |
| .CC | C++ Source Code File | 3.9 |
| .SWD | Flash Debug File | 3.9 |
| .ML | ML Source Code File | 3.9 |
| .GMX | GameMaker 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 |
| .DEF | Module-Definition File | 3.9 |
| .SO | Shared Library | 3.9 |
| .S | Source Code File | 3.9 |
| .CD | Visual Studio Class Diagram | 3.9 |
| .RES | C++ Complied Resource Script | 3.9 |
| .YML | YAML Document | 3.9 |
| .CSPROJ | Visual Studio C# Project | 3.9 |
| .FBP | wxFormBuilder Project | 3.9 |
| .BET | BETA Source File | 3.9 |
| .MK | Makefile | 3.8 |
| .SLN | Visual Studio Solution File | 3.8 |
| .DTD | Document Type Definition File | 3.8 |
| .BLUEJ | BlueJ Package File | 3.8 |
| .MXML | Flex MXML Component | 3.8 |
| .ENTITLEMENTS | Mac App Sandboxing Entitlements File | 3.8 |
| .RUL | InstallShield Rules File | 3.8 |
| .DEX | Dalvik Executable File | 3.8 |
| .BPL | Borland Package Library | 3.8 |
| .DOX | Visual Basic Binary UserDocument | 3.8 |
| .HBS | Handlebars Template | 3.8 |
| .AIA | MIT App Inventor Project | 3.8 |
| .XCDATAMODELD | Xcode Core Data Model File | 3.8 |
| .CCS | CodeCharge Studio Project File | 3.8 |
| .DGML | Visual Studio Directed Graph Document | 3.8 |
| .MPX | FoxPro Compiled Program Menu | 3.8 |
| .NUSPEC | NuGet Specification File | 3.8 |
| .XPP | X++ Source Code File | 3.8 |
| .ANE | Adobe AIR Native Extension | 3.8 |
| .XAMLX | Visual Studio Workflow Service File | 3.8 |
| .ERL | Erlang Source Code File | 3.8 |
| .SSI | Adobe Dreamweaver Server Side Include File | 3.8 |
| .PBXBTREE | Xcode Auto-Complete File | 3.8 |
| .WDGT | Adobe Captivate Widget File | 3.8 |
| .LISP | Lisp Source Code File | 3.8 |
| .LUC | Compiled Lua Source File | 3.8 |
| .O | Compiled C Object File | 3.8 |
| .RC | Resource Script | 3.8 |
| .RES | Windows Resource File | 3.8 |
| .XSD | XML Schema Definition | 3.8 |
| .IML | IntelliJ IDEA Module | 3.8 |
| .XAML | XAML File | 3.8 |
| .XT | Xdebug Trace File | 3.8 |
| .H | C/C++/Objective-C Header File | 3.8 |
| .IPR | InstallShield Professional Project File | 3.8 |
| .ADS | Ada Specification File | 3.8 |
| .CTP | CakePHP Template | 3.8 |
| .PL | Perl Script | 3.8 |
| .SUO | Visual Studio Solution User Options File | 3.8 |
| .PBJ | Pixel Bender Bytecode File | 3.8 |
| .FXML | FXML Source Code File | 3.8 |
| .EX | Euphoria Source Code | 3.8 |
| .AU3 | AutoIt v3 Script | 3.8 |
| .APPXUPLOAD | Windows 8 App Upload Package | 3.8 |
| .PIKA | Pika Software Builder Project File | 3.8 |
| .RB | Ruby Source Code | 3.7 |
| .SCC | SourceSafe Source Code Control File | 3.7 |
| .MSIX | MSIX Installer Package | 3.7 |
| .YAML | YAML Document | 3.7 |
| .D | D Source Code File | 3.7 |
| .IDB | Visual Studio Intermediate Debug File | 3.7 |
| .W32 | Win32 Makefile | 3.7 |
| .DMD | SQL Developer Data Modeler File | 3.7 |
| .S19 | Motorola S19 File Record | 3.7 |
| .TARGETS | MSBuild Targets File | 3.7 |
| .MRT | Stimulsoft Report File | 3.7 |
| .DPROJ | Delphi Project | 3.7 |
| .PRO | Qt Project File | 3.7 |
| .AS3PROJ | FlashDevelop ActionScript 3 Project File | 3.7 |
| .REXX | Rexx Source File | 3.7 |
| .DF1 | Omnis Native Datafile | 3.7 |
| .MO | Machine Object File | 3.7 |
| .GITIGNORE | Git Ignore File | 3.7 |
| .FPM | FPS Creator Map File | 3.7 |
| .TWIG | Twig Template | 3.7 |
| .AP_ | ADT Android Developer Package | 3.7 |
| .L | Lex Source File | 3.7 |
| .VCXPROJ | Visual C++ Project | 3.7 |
| .4DB | 4th Dimension Database Structure File | 3.7 |
| .BAS | BASIC Source Code File | 3.7 |
| .V | Verilog Source Code File | 3.7 |
| .SC | SuperCollider Source Code File | 3.7 |
| .CSX | Visual C# Script | 3.7 |
| .ABC | ActionScript Byte Code File | 3.7 |
| .AS | ActionScript File | 3.7 |
| .ASI | Alpha Five Variable File | 3.7 |
| .VB | Visual Basic Project Item File | 3.7 |
| .RESX | .NET Managed Resources File | 3.7 |
| .FTL | FreeMarker Template File | 3.7 |
| .PBXUSER | Xcode Project User Data File | 3.7 |
| .JSPF | Java Server Page Fragment | 3.7 |
| .HH | C++ Header File | 3.7 |
| .FXC | FilePackager Configuration | 3.7 |
| .WIQ | Visual Studio Work Item Query File | 3.7 |
| .DCP | Delphi Compiled Package | 3.7 |
| .FRX | Visual Basic Binary Form File | 3.7 |
| .GM6 | GameMaker 6 Project File | 3.7 |
| .AGI | Asterisk Gateway Interface File | 3.7 |
| .TPU | Turbo Pascal Unit | 3.7 |
| .GSPROJ | GameSalad Windows Project File | 3.7 |
| .GAMEPROJ | GameSalad Project File | 3.7 |
| .JSFL | Animate JSFL Script File | 3.7 |
| .GLD | MPLAB C Compiler Linker Script File | 3.7 |
| .CSP | Caché Server Page | 3.7 |
| .TLH | Typelib Generated C/C++ Header File | 3.7 |
| .TESTSETTINGS | Visual Studio Test Settings File | 3.7 |
| .PKGDEF | Visual Studio Shell File | 3.7 |
| .PAS | Pascal Source File | 3.7 |
| .AUTOPLAY | AutoPlay Media Studio Project | 3.6 |
| .DPR | Delphi Project | 3.6 |
| .PBXPROJ | Xcode Project Data File | 3.6 |
| .RPY | Python Script | 3.6 |
| .CU | CUDA Source Code File | 3.6 |
| .LIVECODE | LiveCode Stack File | 3.6 |
| .I | Visual Studio Intermediate File | 3.6 |
| .VHD | VHDL Source File | 3.6 |
| .NIB | Interface Builder User Interface File | 3.6 |
| .MARKDOWN | Markdown Documentation File | 3.6 |
| .F90 | Fortran 90 Source Code File | 3.6 |
| .MAK | Makefile | 3.6 |
| .FRAMEWORK | Mac OS X Application Framework | 3.6 |
| .SUD | Super Project Analyzer File | 3.6 |
| .GREENFOOT | Greenfoot Project Archive | 3.6 |
| .HEX | Hexadecimal Source File | 3.6 |
| .APA | RSView Development Project Archive | 3.6 |
| .INC | Include File | 3.6 |
| .STORYBOARD | Xcode Interface Builder Storyboard | 3.6 |
| .ASC | ActionScript Communication File | 3.6 |
| .PLC | PL/B Source File | 3.6 |
| .KDEVPRJ | KDevelop Project File | 3.6 |
| .KDEVELOP | KDevelop Project Data File | 3.6 |
| .IDL | Interface Definition Language File | 3.6 |
| .DM1 | ER/Studio Data Model File | 3.6 |
| .FORTH | Forth Language File | 3.6 |
| .XCWORKSPACE | Xcode Workspace | 3.6 |
| .SCALA | Scala Source Code File | 3.6 |
| .VM | Velocity Template | 3.6 |
| .PYW | Python GUI Source File | 3.6 |
| .NUPKG | NuGet Package | 3.6 |
| .SVN-BASE | Subversion Base File | 3.6 |
| .V | Coq Source Code File | 3.6 |
| .M | Objective-C Implementation File | 3.6 |
| .RC2 | Visual Studio Resources File | 3.6 |
| .F | Fortran Source Code | 3.6 |
| .JIC | JTAG Indirect Configuration File | 3.6 |
| .AS2PROJ | FlashDevelop ActionScript 2 Project File | 3.6 |
| .CBP | Code::Blocks Project File | 3.6 |
| .UI | User Interface File | 3.6 |
| .NXC | Not eXactly C Source Code File | 3.6 |
| .W | OpenEdge Architect Source Code File | 3.6 |
| .HAL | HansaWorld Application Language File | 3.6 |
| .SMA | AMX Mod Plugin Source File | 3.6 |
| .RSRC | Macintosh Resource File | 3.5 |
| .DIFF | Patch File | 3.5 |
| .GITKEEP | Git Keep File | 3.5 |
| .CXX | C++ Source Code File | 3.5 |
| .CP | Xcode C++ Source File | 3.5 |
| .VBX | Visual Basic Custom Control | 3.5 |
| .LSPROJ | Visual Studio LightSwitch Project | 3.5 |
| .WSC | Windows Script Component | 3.5 |
| .HAML | Haml Source Code File | 3.5 |
| .FOR | Fortran Source Code File | 3.5 |
| .SLTNG | StarLogo TNG Project File | 3.5 |
| .LNT | PC-lint/FlexeLint Configuration File | 3.5 |
| .OMO | OMake Object File | 3.5 |
| .LDS | Binutils LD Linker Script | 3.5 |
| .OCA | Custom Control Library Type File | 3.5 |
| .RBC | Rembo-C Script | 3.5 |
| .NVV | NVIDIA Vertex Shader File | 3.5 |
| .TUR | Turing Program Source File | 3.5 |
| .ICONSET | Mac OS X Icon Set Folder | 3.5 |
| .PRG | RAPID Program File | 3.5 |
| .WDL | World Definition Language Script | 3.5 |
| .BDSPROJ | Borland Developer Studio Project | 3.5 |
| .ALB | Alpha Five Library | 3.5 |
| .WDW | WinDev Window File | 3.5 |
| .WDP | Windev Project File | 3.5 |
| .ISM | InstallShield Project File | 3.5 |
| .FSSCRIPT | Visual F# Script | 3.5 |
| .DBML | Visual Studio OR Design File | 3.5 |
| .LTB | LithTech Binary File | 3.5 |
| .CLW | Visual C++ ClassWizard File | 3.5 |
| .MCP | CodeWarrior Project | 3.5 |
| .PBK | Pixel Bender Kernel File | 3.5 |
| .NLS | NetLogo Source File | 3.5 |
| .SAS | SAS Program File | 3.5 |
| .RDLC | Visual Studio Client Report Definition File | 3.5 |
| .WSP | SharePoint Solution Package | 3.5 |
| .NSI | NSIS Script | 3.5 |
| .ILK | Incremental Linking File | 3.4 |
| .DOB | Visual Basic UserDocument | 3.4 |
| .PKB | Oracle Package Body File | 3.4 |
| .M | MATLAB Source Code File | 3.4 |
| .BB | Blitz Source Code File | 3.4 |
| .XCCONFIG | Xcode Configuration Settings File | 3.4 |
| .PL1 | PL/I Source Code | 3.4 |
| .ASM | Visual Studio Assembler Source Code File | 3.4 |
| .NBC | Next Byte Codes Source Code File | 3.4 |
| .OCTEST | Xcode Objective-C Unit Test Bundle | 3.4 |
| .GEM | RubyGems Package | 3.4 |
| .PLAYGROUND | Xcode Playground File | 3.4 |
| .SUP | Super Project Definition File | 3.4 |
| .MYAPP | Visual Studio Application XML File | 3.4 |
| .KPL | Kids Programming Language File | 3.4 |
| .HXX | C++ Source Code Header File | 3.4 |
| .MER | RSView Development Runtime File | 3.4 |
| .IPCH | Intellisense Precompiled Header File | 3.4 |
| .PRI | Package Resource Index File | 3.4 |
| .UML | UML Data Object Model | 3.4 |
| .OBJ | Relocatable Object Code | 3.4 |
| .DART | Dart Source Code File | 3.4 |
| .PL | Prolog Source Code File | 3.3 |
| .MSHC | Microsoft Help Container File | 3.3 |
| .ERB | Ruby ERB Script | 3.3 |
| .MSHI | Microsoft Help Index File | 3.3 |
| .M4 | Macro Processor Library | 3.3 |
| .MSS | Microprocessor Software Specification File | 3.3 |
| .CTXT | BlueJ Context File | 3.3 |
| .V11.SUO | Visual Studio 2012 Solution User Options File | 3.3 |
| .CLS | Program Class File | 3.3 |
| .OWL | OWL Source Code File | 3.3 |
| .MSHA | Microsoft Help Asset File | 3.3 |
| .INL | C++ Inline File | 3.3 |
| .XOML | Windows Workflow File | 3.3 |
| .XOJO_XML_PROJECT | Xojo XML Project File | 3.3 |
| .PCP | Windows Installer Patch Creation Properties File | 3.3 |
| .EXP | Symbols Export File | 3.3 |
| .ACD | Studio 5000 Logix Designer Project | 3.3 |
| .CSI | ContentServ Include File | 3.3 |
| .REFRESH | Visual Studio Refresh File | 3.3 |
| .PYX | Pyrex Source Code File | 3.3 |
| .JPR | JBuilder Project | 3.3 |
| .SRC | Source Code File | 3.3 |
| .SYM | Symbols File | 3.3 |
| .A2W | Alice World | 3.3 |
| .TCL | Tcl Script | 3.3 |
| .DGSL | Visual Shader Graph File | 3.3 |
| .XOJO_PROJECT | Xojo Project File | 3.3 |
| .PM | Perl Module | 3.3 |
| .BUILDSETTING | Twixl Publisher Builder Build Setting | 3.3 |
| .CCN | Compressed Multimedia Fusion File | 3.3 |
| .PLI | PL/I Source Code File | 3.3 |
| .IST | InstallShield Project Template File | 3.3 |
| .VDP | Visual Studio Deployment Project | 3.3 |
| .VSMACROS | Visual Studio Binary Macro Project | 3.3 |
| .EDMX | ADO.NET Entity Data Model Designer File | 3.3 |
| .WXL | WiX Localization File | 3.3 |
| .GWD | Galaxy Watchface Design File | 3.3 |
| .VBPROJ | Visual Studio Visual Basic.NET Project | 3.2 |
| .OAT | Android Optimized Application File | 3.2 |
| .BSC | Visual Studio Source Browser Information File | 3.2 |
| .MV | MivaScript File | 3.2 |
| .ASVF | Asphyre Sphinx Archive File | 3.2 |
| .NSH | NSIS Header File | 3.2 |
| .WXS | WiX Source File | 3.2 |
| .LBI | Dreamweaver Library Item | 3.2 |
| .PXD | Pyrex Definition File | 3.2 |
| .FTN | Fortran Source Code File | 3.2 |
| .PPC | Mobile Data Studio Project File | 3.2 |
| .A | Static Library | 3.2 |
| .CBL | COBOL Source Code File | 3.1 |
| .LPROJ | Localized Project Folder | 3.1 |
| .IDT | Windows Installer Database Text Archive File | 3.1 |
| .DEC | Declaration File | 3.1 |
| .HPF | High Performance Fortran File | 3.1 |
| .VSSSCC | Visual Studio Solution Source Control File | 3.1 |
| .PCH | Precompiled Header File | 3.1 |
| .CAF | CryENGINE Character Animation File | 3.1 |
| .POT | Portable Object Template | 3.1 |
| .T | Turing Source Code File | 3.1 |
| .XCODEPROJ | Xcode Project | 3.0 |
| .VTM | Visual Tool Markup Language Document | 3.0 |
| .MPWS | MathPiper Worksheet | 3.0 |
| .BCP | Borland C++ Makefile | 3.0 |
| .VSPS | Visual Studio Serialized Performance Report | 3.0 |
| .SCRIPTSUITE | AppleScript Script Suite File | 3.0 |
| .RODL | RemObjects Definition Language File | 3.0 |
| .XCAPPDATA | Xcode App Data File | 3.0 |
| .CP | Captivate Source File | 3.0 |
| .DPKW | Delphi Package | 3.0 |
| .GSZIP | GameSalad Marketplace Asset File | 3.0 |
| .ODL | Object Description Language File | 3.0 |
| .NEKO | Neko Source Code File | 3.0 |
| .PAW | Paw Document | 3.0 |
| .PDM | VB Project Information File | 3.0 |
| .CVSRC | CVS Command File | 3.0 |
| .RESW | Windows Resources File | 3.0 |
| .VBZ | Visual Basic Project Template | 3.0 |
| .RNC | RELAX NG Compact Syntax File | 3.0 |
| .RBP | Real Studio Project File | 3.0 |
| .LBS | Omnis Library | 3.0 |
| .FXCPROJ | FX Composer Project File | 3.0 |
| .WPW | WinDev Mobile Window File | 3.0 |
| .BS2 | BASIC Stamp 2 Code File | 3.0 |
| .JCP | JCreator Project File | 3.0 |
| .FXL | FaceFX Language File | 3.0 |
| .GS3 | GameStarter File | 3.0 |
| .WIXMST | WiX Transform File | 3.0 |
| .IWS | IntelliJ IDEA Web Page | 3.0 |
| .AM5 | AutoPlay Media Studio 5 Project File | 3.0 |
| .VSPSCC | Visual Studio Project Source Control File | 3.0 |
| .GMO | GNU Machine Object File | 3.0 |
| .LICX | Visual Studio License File | 3.0 |
| .DCUIL | Delphi .NET Compiled Unit File | 3.0 |
| .RSS | Symbian Application Resource File | 3.0 |
| .RISE | RISE Editor Model File | 3.0 |
| .CCP | CodeCharge Studio Page File | 3.0 |
| .VSPX | Visual Studio Performance Report Data File | 3.0 |
| .CLIPS | Coda Clips File | 3.0 |
| .MDZIP | MagicDraw Project Archive | 3.0 |
| .DBPROJ | Visual Studio Database Project File | 3.0 |
| .TLI | Typelib Generated C/C++ Inline File | 3.0 |
| .TESTRUNCONFIG | Visual Studio Test Run Configuration File | 3.0 |
| .GEMSPEC | Gem Specification File | 3.0 |
| .PRI | Qt Project Include File | 3.0 |
| .FXPL | Adobe Flash FXP Library | 3.0 |
| .WIXOUT | WiX XML Output File | 3.0 |
| .WIXOBJ | WiX Object File | 3.0 |
| .LUCIDSNIPPET | Lucid Snippet | 3.0 |
| .WIXLIB | WiX Library File | 3.0 |
| .PKGUNDEF | Visual Studio Shell File | 3.0 |
| .NW | Node-Webkit App Package | 3.0 |
| .XQL | XML Query Language File | 3.0 |
| .LXSPROJ | Liquid XML Studio Project File | 3.0 |
| .P3D | Panda3D Multifile | 3.0 |
| .XOJO_BINARY_PROJECT | Xojo Binary Project File | 3.0 |
| .BBPROJECT | BBEdit Project File | 3.0 |
| .TEXTFACTORY | BBEdit Text Factory | 3.0 |
| .XOJO_MENU | Xojo Menu File | 3.0 |
| .TMLANGUAGE | TextMate Language Grammar File | 3.0 |
| .TLD | Tag Library Descriptor File | 3.0 |
| .IWB | IWBasic Source Code File | 3.0 |
| .REX | Rexx Source File | 3.0 |
| .RAV | Rave Reports Project File | 3.0 |
| .XCSNAPSHOTS | Xcode Snapshot | 3.0 |
| .WDGTPROJ | Dashcode Widget Project | 3.0 |
| .SRC.RPM | Red Hat Package Manager Source File | 3.0 |
| .FBZ7 | Compressed FinalBuilder 7 Project | 3.0 |
| .DIAGSESSION | Diagnostics Session File | 3.0 |
| .TNS | TI-Nspire Document | 3.0 |
| .VC | Verge Code File | 2.9 |
| .GED | Game Editor Project File | 2.9 |
| .PSC | Papyrus Script | 2.9 |
| .PLE | Messenger Plus! Live Encrypted Log File | 2.9 |
| .SS | SilverStripe Source Code File | 2.9 |
| .MOD | Fortran Module | 2.9 |
| .ENT | External Entity | 2.9 |
| .SPEC | RPM Specification File | 2.9 |
| .CTL | Visual Basic UserControl Object File | 2.9 |
| .BRX | BREW Application Resource File | 2.8 |
| .XCARCHIVE | Xcode Archive | 2.8 |
| .DBA | CryENGINE Animation Database File | 2.8 |
| .C | Lite-C Script | 2.8 |
| .LICENSES | Visual Studio Licensed Classes File | 2.8 |
| .4TH | Forth Language File | 2.8 |
| .FSPROJ | Visual F# Project File | 2.8 |
| .DSP | Visual C++ 6 Project | 2.8 |
| .VGC | ViziGen Code Generation Template | 2.8 |
| .XIB | Interface Builder File | 2.8 |
| .EDML | Adobe Extension Data Markup Language Document | 2.8 |
| .P | Pascal Source Code | 2.7 |
| .TDS | Turbo Debugger Symbols File | 2.7 |
| .APS | Visual C++ Resource File | 2.7 |
| .BBPROJECTD | BBEdit Project Document | 2.7 |
| .COB | COBOL Source Code File | 2.7 |
| .CSN | Adobe Code Snippet Document | 2.7 |
| .VTV | Adobe Dreamweaver Validator Configuration File | 2.7 |
| .ADDIN | Visual Studio Add-in Definition File | 2.6 |
| .GROUPPROJ | Delphi Project Group File | 2.5 |
| .POD | Perl POD File | 2.5 |
| .FSX | Visual F# Script File | 2.5 |
| .SDEF | AppleScript Dictionary Document | 2.5 |
| .PSM1 | Windows PowerShell Script Module File | 2.5 |
| .GFAR | Greenfoot Archive | 2.5 |
| .RBW | Ruby Script | 2.5 |
| .DCPROJ | Dashcode Project | 2.5 |
| .VSZ | Visual Studio Wizard File | 2.5 |
| .PRG | Visual FoxPro Program File | 2.5 |
| .DPK | Delphi Package Source File | 2.5 |
| .TU | Turing Source File | 2.5 |
| .DBO | DarkBASIC Object | 2.5 |
| .SQLPROJ | Visual Studio SQL Server Project | 2.5 |
| .VSMPROJ | Visual Studio Text Macro Project | 2.5 |
| .VSMDI | Visual Studio Test Metadata File | 2.5 |
| .VTML | Visual Tool Markup Language File | 2.5 |
| .INFORM | Inform Project | 2.5 |
| .XQM | XQuery Module | 2.5 |
| .MSP | MaxScript Page File | 2.4 |
| .WIXPROJ | WiX Project File | 2.4 |
| .CFC | ColdFusion Component File | 2.4 |
| .PDE | Processing Development Environment Source Code File | 2.4 |
| .LIT | Literate Haskell Script | 2.4 |
| .VSP | Visual Studio Performance Report File | 2.4 |
| .RKT | Racket Source Code File | 2.3 |
| .VSHOST.EXE | Visual Studio Hosting Process File | 2.3 |
| .EXW | Euphoria Source code File | 2.3 |
| .NED | OMNeT++ Network Description File | 2.3 |
| .DFM | Delphi Form | 2.3 |
| .CSI | EdLog Program Data File | 2.3 |
| .GROOVY | Groovy Source Code File | 2.2 |
| .BPG | Borland Project Group | 2.2 |
| .NCB | Visual C++ IntelliSense Database | 2.2 |
| .CCGAME | XNA Creators Club Game Package | 2.1 |
| .NFM | Delphi .NET Form File | 2.0 |
| .WFM | dBASE Form | 2.0 |
| .WIXMSP | WiX XML Patch File | 2.0 |
| .RESJSON | Windows JavaScript Resources File | 2.0 |
| .MAGIK | Magik Source Code File | 2.0 |
| .ARTPROJ | Artifacts Project | 2.0 |
| .FSI | Visual F# Signature File | 2.0 |
| .VCP | eMbedded Visual C++ Project File | 2.0 |
| .MSL | Mapping Specification Language File | 2.0 |
| .NQC | Not Quite C Source Code File | 2.0 |
| .WXI | WiX Include File | 2.0 |
| .WIXPDB | WiX Debug File | 2.0 |
| .XQUERY | XQuery Source Code File | 2.0 |
| .SBPROJ | OpenGL Shader Builder Project | 2.0 |
| .DBA | DarkBASIC Source Code File | 2.0 |
| .DBPRO | DarkBASIC Professional Project File | 2.0 |
| .SSC | SourceSafe Status File | 1.8 |
| .DEVICEIDS | Device Identification FIle | 1.7 |
| .JPX | JBuilder Project | 1.6 |
| .R | REBOL Script | 1.4 |
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