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 |
| .YPR | BYOB Project File | 4.3 |
| .SB2 | Scratch 2.0 Project File | 4.3 |
| .SB3 | Scratch 3.0 Project | 4.3 |
| .KT | Kotlin Source Code File | 4.3 |
| .PYD | Python Dynamic Module | 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 |
| .XQ | XQuery File | 4.2 |
| .PY | Python Script | 4.2 |
| .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 |
| .ASM | Assembly Language Source Code File | 4.0 |
| .ARSC | Android Package Resource Table | 4.0 |
| .PAS | Delphi Unit Source File | 4.0 |
| .SC | Scala Worksheet | 4.0 |
| .CAPROJ | Construct Project File | 4.0 |
| .HAS | Haskell Script | 4.0 |
| .YMP | YaST Metapackage File | 4.0 |
| .AM4 | AutoPlay Media Studio 4 Project File | 4.0 |
| .PH | Perl Header File | 4.0 |
| .SCRIPTTERMINOLOGY | AppleScript Script Terminology File | 4.0 |
| .TT | Visual Studio Text Template | 4.0 |
| .SLOGO | StarLogo Project File | 4.0 |
| .AIDL | Android Interface Definition Language File | 4.0 |
| .MD | Markdown Documentation File | 4.0 |
| .LUA | Lua Source Code | 4.0 |
| .B | BASIC Source File | 4.0 |
| .XAP | XACT Project | 4.0 |
| .PWN | Pawn Source Code 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 |
| .MF | Java Manifest File | 3.9 |
| .SWC | Flex Components Archive | 3.9 |
| .SWIFT | Swift Source Code File | 3.9 |
| .CONFIG | Configuration File | 3.9 |
| .VDPROJ | Visual Studio Setup and Deployment Project | 3.9 |
| .CC | C++ Source Code File | 3.9 |
| .TK | Tk Script | 3.9 |
| .R | R Script File | 3.9 |
| .JAVA | Java Source Code File | 3.9 |
| .PATCH | Patch File | 3.9 |
| .HPP | C++ Header File | 3.9 |
| .FS | Visual F# Source File | 3.9 |
| .COD | Compiled Source Code | 3.9 |
| .HS | Haskell Script | 3.9 |
| .SUO | Visual Studio Solution User Options File | 3.9 |
| .DOX | Visual Basic Binary UserDocument | 3.9 |
| .Y | Yacc Source File | 3.9 |
| .CAPX | Construct Compressed Project File | 3.9 |
| .OCX | ActiveX Control | 3.9 |
| .NK | NUKE Script | 3.9 |
| .GMK | GameMaker Project File | 3.9 |
| .ISE | InstallShield Express Project 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 |
| .S | Source Code File | 3.9 |
| .V12.SUO | Visual Studio 2013 Solution User Options File | 3.9 |
| .YML | YAML Document | 3.9 |
| .DEF | Module-Definition File | 3.9 |
| .SO | Shared Library | 3.9 |
| .CD | Visual Studio Class Diagram | 3.9 |
| .RES | C++ Complied Resource Script | 3.9 |
| .CSPROJ | Visual Studio C# Project | 3.9 |
| .BPL | Borland Package Library | 3.9 |
| .BBC | BBC BASIC Data File | 3.9 |
| .FBP | wxFormBuilder Project | 3.9 |
| .BET | BETA Source File | 3.9 |
| .DEX | Dalvik Executable File | 3.9 |
| .PROTO | Protocol Buffer File | 3.8 |
| .MK | Makefile | 3.8 |
| .PJX | FoxPro Project | 3.8 |
| .MXML | Flex MXML Component | 3.8 |
| .ENTITLEMENTS | Mac App Sandboxing Entitlements File | 3.8 |
| .BLUEJ | BlueJ Package File | 3.8 |
| .SLN | Visual Studio Solution File | 3.8 |
| .DTD | Document Type Definition File | 3.8 |
| .RUL | InstallShield Rules File | 3.8 |
| .O | Compiled C Object File | 3.8 |
| .RB | Ruby Source Code | 3.8 |
| .HBS | Handlebars Template | 3.8 |
| .PB | PureBasic Source File | 3.8 |
| .AIA | MIT App Inventor Project | 3.8 |
| .ANE | Adobe AIR Native Extension | 3.8 |
| .DGML | Visual Studio Directed Graph Document | 3.8 |
| .ERL | Erlang Source Code File | 3.8 |
| .MPX | FoxPro Compiled Program Menu | 3.8 |
| .XAMLX | Visual Studio Workflow Service File | 3.8 |
| .XPP | X++ Source Code File | 3.8 |
| .NUSPEC | NuGet Specification File | 3.8 |
| .CCS | CodeCharge Studio Project File | 3.8 |
| .XCDATAMODELD | Xcode Core Data Model 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 |
| .RC | Resource Script | 3.8 |
| .RES | Windows Resource File | 3.8 |
| .XSD | XML Schema Definition | 3.8 |
| .AU3 | AutoIt v3 Script | 3.8 |
| .CXP | CX-Programmer Project File | 3.8 |
| .XAML | XAML File | 3.8 |
| .XT | Xdebug Trace File | 3.8 |
| .V | Verilog Source Code File | 3.8 |
| .D | D Source Code File | 3.8 |
| .IPR | InstallShield Professional Project File | 3.8 |
| .H | C/C++/Objective-C Header 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 |
| .PBJ | Pixel Bender Bytecode File | 3.8 |
| .EX | Euphoria Source Code | 3.8 |
| .PYW | Python GUI Source File | 3.8 |
| .APPXUPLOAD | Windows 8 App Upload Package | 3.8 |
| .FXML | FXML Source Code File | 3.8 |
| .YAML | YAML Document | 3.7 |
| .MSIX | MSIX Installer Package | 3.7 |
| .VCXPROJ | Visual C++ Project | 3.7 |
| .IDB | Visual Studio Intermediate Debug File | 3.7 |
| .W32 | Win32 Makefile | 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 |
| .MO | Machine Object File | 3.7 |
| .AP_ | ADT Android Developer Package | 3.7 |
| .VBG | Visual Basic Project Group File | 3.7 |
| .FPM | FPS Creator Map File | 3.7 |
| .TWIG | Twig Template | 3.7 |
| .SCC | SourceSafe Source Code Control File | 3.7 |
| .L | Lex Source File | 3.7 |
| .IML | IntelliJ IDEA Module | 3.7 |
| .VB | Visual Basic Project Item File | 3.7 |
| .4DB | 4th Dimension Database Structure 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 |
| .GITIGNORE | Git Ignore 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 |
| .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 |
| .JSFL | Animate JSFL Script File | 3.7 |
| .GLD | MPLAB C Compiler Linker Script File | 3.7 |
| .CSP | Caché Server Page | 3.7 |
| .GSPROJ | GameSalad Windows Project File | 3.7 |
| .TLH | Typelib Generated C/C++ Header File | 3.7 |
| .TESTSETTINGS | Visual Studio Test Settings File | 3.7 |
| .WIQ | Visual Studio Work Item Query File | 3.7 |
| .PAS | Pascal Source File | 3.7 |
| .DPR | Delphi Project | 3.6 |
| .PBXPROJ | Xcode Project Data File | 3.6 |
| .ABC | ActionScript Byte Code 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 |
| .VBX | Visual Basic Custom Control | 3.6 |
| .F90 | Fortran 90 Source Code File | 3.6 |
| .MAK | Makefile | 3.6 |
| .FRAMEWORK | Mac OS X Application Framework | 3.6 |
| .CLS | Program Class File | 3.6 |
| .SUD | Super Project Analyzer File | 3.6 |
| .AM7 | AutoPlay Media Studio 7 Project | 3.6 |
| .APA | RSView Development Project Archive | 3.6 |
| .INC | Include File | 3.6 |
| .STORYBOARD | Xcode Interface Builder Storyboard | 3.6 |
| .UI | User Interface File | 3.6 |
| .NIB | Interface Builder User Interface File | 3.6 |
| .ASC | ActionScript Communication File | 3.6 |
| .DMD | SQL Developer Data Modeler File | 3.6 |
| .DM1 | ER/Studio Data Model File | 3.6 |
| .DPL | Delphi Package Library | 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 |
| .XCWORKSPACE | Xcode Workspace | 3.6 |
| .SVN-BASE | Subversion Base File | 3.6 |
| .V | Coq Source Code File | 3.6 |
| .MARKDOWN | Markdown Documentation File | 3.6 |
| .M | Objective-C Implementation File | 3.6 |
| .VM | Velocity Template | 3.6 |
| .F | Fortran Source Code | 3.6 |
| .JIC | JTAG Indirect Configuration File | 3.6 |
| .PIKA | Pika Software Builder Project File | 3.6 |
| .AS2PROJ | FlashDevelop ActionScript 2 Project File | 3.6 |
| .CBP | Code::Blocks Project File | 3.6 |
| .AUTOPLAY | AutoPlay Media Studio Project 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 |
| .WSC | Windows Script Component | 3.5 |
| .LSPROJ | Visual Studio LightSwitch Project | 3.5 |
| .FOR | Fortran Source Code File | 3.5 |
| .LNT | PC-lint/FlexeLint Configuration File | 3.5 |
| .DF1 | Omnis Native Datafile | 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 |
| .TUR | Turing Program Source File | 3.5 |
| .AM6 | AutoPlay Media Studio 6 Project | 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 |
| .CXX | C++ Source Code File | 3.5 |
| .DBML | Visual Studio OR Design File | 3.5 |
| .NVV | NVIDIA Vertex Shader File | 3.5 |
| .LTB | LithTech Binary File | 3.5 |
| .DSGM | DS Game Maker Project | 3.5 |
| .HAML | Haml Source Code File | 3.5 |
| .CLW | Visual C++ ClassWizard File | 3.5 |
| .SYM | Symbols File | 3.5 |
| .MCP | CodeWarrior Project | 3.5 |
| .PBK | Pixel Bender Kernel File | 3.5 |
| .ICONSET | Mac OS X Icon Set Folder | 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 |
| .M | MATLAB Source Code File | 3.4 |
| .DIFF | Patch File | 3.4 |
| .BB | Blitz Source Code File | 3.4 |
| .OBJ | Relocatable Object Code | 3.4 |
| .PL1 | PL/I Source Code | 3.4 |
| .ASM | Visual Studio Assembler Source Code File | 3.4 |
| .PKGDEF | Visual Studio Shell File | 3.4 |
| .NBC | Next Byte Codes Source Code File | 3.4 |
| .XCCONFIG | Xcode Configuration Settings File | 3.4 |
| .OCTEST | Xcode Objective-C Unit Test Bundle | 3.4 |
| .HXX | C++ Source Code Header File | 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 |
| .MER | RSView Development Runtime File | 3.4 |
| .IPCH | Intellisense Precompiled Header File | 3.4 |
| .UML | UML Data Object Model | 3.4 |
| .PL | Prolog Source Code File | 3.3 |
| .MSHC | Microsoft Help Container File | 3.3 |
| .CP | Xcode C++ Source File | 3.3 |
| .ERB | Ruby ERB Script | 3.3 |
| .MSHI | Microsoft Help Index File | 3.3 |
| .MSS | Microprocessor Software Specification File | 3.3 |
| .OWL | OWL Source Code File | 3.3 |
| .MSHA | Microsoft Help Asset File | 3.3 |
| .CDF | CryENGINE Character Definition File | 3.3 |
| .INL | C++ Inline File | 3.3 |
| .XOML | Windows Workflow File | 3.3 |
| .CTXT | BlueJ Context File | 3.3 |
| .XOJO_XML_PROJECT | Xojo XML Project File | 3.3 |
| .V11.SUO | Visual Studio 2012 Solution User Options File | 3.3 |
| .M4 | Macro Processor Library | 3.3 |
| .PCP | Windows Installer Patch Creation Properties File | 3.3 |
| .ACD | RSLogix 5000 Program | 3.3 |
| .CSI | ContentServ Include File | 3.3 |
| .JPR | JBuilder Project | 3.3 |
| .PYX | Pyrex Source Code File | 3.3 |
| .REFRESH | Visual Studio Refresh File | 3.3 |
| .SRC | Source Code File | 3.3 |
| .EXP | Symbols Export File | 3.3 |
| .A2W | Alice World | 3.3 |
| .XOJO_PROJECT | Xojo Project File | 3.3 |
| .WXL | WiX Localization File | 3.3 |
| .TCL | Tcl Script | 3.3 |
| .PM | Perl Module | 3.3 |
| .CCN | Compressed Multimedia Fusion 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 |
| .DGSL | Visual Shader Graph File | 3.3 |
| .FORTH | Forth Language File | 3.3 |
| .NW | Node-Webkit App Package | 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 |
| .ASVF | Asphyre Sphinx Archive File | 3.2 |
| .MV | MivaScript File | 3.2 |
| .NSH | NSIS Header File | 3.2 |
| .WXS | WiX Source File | 3.2 |
| .A | Static Library | 3.2 |
| .LBI | Dreamweaver Library Item | 3.2 |
| .DOB | Visual Basic UserDocument | 3.2 |
| .PTL | Rational Rose Petal File | 3.2 |
| .PXD | Pyrex Definition File | 3.2 |
| .PPC | Mobile Data Studio Project File | 3.2 |
| .T | Turing Source Code File | 3.1 |
| .CBL | COBOL Source Code File | 3.1 |
| .LPROJ | Localized Project Folder | 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 |
| .MOM | Managed Object Model | 3.1 |
| .CAF | CryENGINE Character Animation File | 3.1 |
| .SS | SilverStripe Source Code File | 3.1 |
| .POT | Portable Object Template | 3.1 |
| .VC | Verge Code File | 3.1 |
| .XCODEPROJ | Xcode Project | 3.0 |
| .VTM | Visual Tool Markup Language Document | 3.0 |
| .COB | COBOL Source Code File | 3.0 |
| .BCP | Borland C++ Makefile | 3.0 |
| .VSPX | Visual Studio Performance Report Data File | 3.0 |
| .VSPS | Visual Studio Serialized Performance Report | 3.0 |
| .DCUIL | Delphi .NET Compiled Unit File | 3.0 |
| .CP | Captivate Source File | 3.0 |
| .FBZ7 | Compressed FinalBuilder 7 Project | 3.0 |
| .DPKW | Delphi Package | 3.0 |
| .MDZIP | MagicDraw Project Archive | 3.0 |
| .GEMSPEC | Gem Specification File | 3.0 |
| .WIXOBJ | WiX Object File | 3.0 |
| .PDM | VB Project Information File | 3.0 |
| .GORM | Gorm Interface Resource File | 3.0 |
| .GPC | Gamepad Programming Code Script | 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 |
| .GSZIP | GameSalad Marketplace Asset File | 3.0 |
| .BS2 | BASIC Stamp 2 Code File | 3.0 |
| .FSPROJ | FireStarter Project File | 3.0 |
| .JCP | JCreator Project File | 3.0 |
| .ODL | Object Description Language File | 3.0 |
| .GED | Game Editor Project File | 3.0 |
| .GS3 | GameStarter File | 3.0 |
| .WIXLIB | WiX Library 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 |
| .RESW | Windows Resources File | 3.0 |
| .RODL | RemObjects Definition Language File | 3.0 |
| .GAMEPROJ | GameSalad Project File | 3.0 |
| .RSS | Symbian Application Resource File | 3.0 |
| .CLIPS | Coda Clips File | 3.0 |
| .RISE | RISE Editor Model File | 3.0 |
| .XCAPPDATA | Xcode App Data File | 3.0 |
| .CCP | CodeCharge Studio Page File | 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 |
| .FXL | FaceFX Language File | 3.0 |
| .PRI | Qt Project Include File | 3.0 |
| .VSZ | Visual Studio Wizard File | 3.0 |
| .SRC.RPM | Red Hat Package Manager Source File | 3.0 |
| .P3D | Panda3D Multifile | 3.0 |
| .LUCIDSNIPPET | Lucid Snippet | 3.0 |
| .CVSRC | CVS Command File | 3.0 |
| .WIXOUT | WiX XML Output File | 3.0 |
| .WIXMST | WiX Transform File | 3.0 |
| .PKGUNDEF | Visual Studio Shell File | 3.0 |
| .XQL | XML Query Language File | 3.0 |
| .LXSPROJ | Liquid XML Studio Project File | 3.0 |
| .IWB | IWBasic Source Code File | 3.0 |
| .BBPROJECT | BBEdit Project File | 3.0 |
| .TEXTFACTORY | BBEdit Text Factory | 3.0 |
| .TMLANGUAGE | TextMate Language Grammar File | 3.0 |
| .TLD | Tag Library Descriptor File | 3.0 |
| .XOJO_BINARY_PROJECT | Xojo Binary Project File | 3.0 |
| .XOJO_MENU | Xojo Menu File | 3.0 |
| .RAV | Rave Reports Project File | 3.0 |
| .XCSNAPSHOTS | Xcode Snapshot | 3.0 |
| .WDGTPROJ | Dashcode Widget Project | 3.0 |
| .NEKO | Neko Source Code File | 3.0 |
| .REX | Rexx Source File | 3.0 |
| .PSC | Papyrus Script | 3.0 |
| .TNS | TI-Nspire Document | 3.0 |
| .PLE | Messenger Plus! Live Encrypted Log File | 2.9 |
| .ENT | External Entity | 2.9 |
| .CTL | Visual Basic UserControl Object File | 2.9 |
| .SPEC | RPM Specification File | 2.9 |
| .BRX | BREW Application Resource File | 2.8 |
| .IDT | Windows Installer Database Text Archive File | 2.8 |
| .XCARCHIVE | Xcode Archive | 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 |
| .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 |
| .C | Lite-C Script | 2.7 |
| .TDS | Turbo Debugger Symbols File | 2.7 |
| .MOD | Fortran Module | 2.7 |
| .BBPROJECTD | BBEdit Project Document | 2.7 |
| .CSN | Adobe Code Snippet Document | 2.7 |
| .VTV | Adobe Dreamweaver Validator Configuration File | 2.7 |
| .R | Rez Source Code File | 2.6 |
| .APS | Visual C++ Resource File | 2.6 |
| .ADDIN | Visual Studio Add-in Definition File | 2.6 |
| .NED | OMNeT++ Network Description File | 2.6 |
| .POD | Perl POD File | 2.5 |
| .GROUPPROJ | Delphi Project Group 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 |
| .SQLPROJ | Visual Studio SQL Server Project | 2.5 |
| .PRG | Visual FoxPro Program File | 2.5 |
| .DPK | Delphi Package | 2.5 |
| .TU | Turing Source File | 2.5 |
| .DBO | DarkBASIC Object | 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 |
| .FXPL | Adobe Flash FXP Library | 2.5 |
| .XQM | XQuery Module | 2.5 |
| .INFORM | Inform Project | 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 |
| .RKT | Racket Source Code File | 2.3 |
| .GROOVY | Groovy Source Code File | 2.3 |
| .DCU | Delphi Compiled Unit | 2.3 |
| .EXW | Euphoria Source code File | 2.3 |
| .DFM | Delphi Form | 2.3 |
| .CSI | EdLog Program Data File | 2.3 |
| .BPG | Borland Project Group | 2.2 |
| .NCB | Visual C++ IntelliSense Database | 2.2 |
| .CCGAME | XNA Creators Club Game Package | 2.1 |
| .WFM | dBASE Form | 2.0 |
| .MSL | Mapping Specification Language File | 2.0 |
| .LIT | Literate Haskell Script | 2.0 |
| .SCRIPTSUITE | AppleScript Script Suite File | 2.0 |
| .WIXPDB | WiX Debug File | 2.0 |
| .MAGIK | Magik Source Code File | 2.0 |
| .NFM | Delphi .NET Form File | 2.0 |
| .ARTPROJ | Artifacts Project | 2.0 |
| .RESJSON | Windows JavaScript Resources File | 2.0 |
| .FSI | Visual F# Signature File | 2.0 |
| .VCP | eMbedded Visual C++ Project File | 2.0 |
| .NQC | Not Quite C Source Code File | 2.0 |
| .WIXMSP | WiX XML Patch File | 2.0 |
| .WXI | WiX Include 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 |
| .GMD | Game Maker Program Code | 1.5 |
| .R | REBOL Script | 1.4 |
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