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 |
| .MQ5 | MQL5 Source Code File | 4.4 |
| .RBXMX | Roblox Model | 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 |
| .IPR | IntelliJ IDEA Project File | 4.3 |
| .RBXM | Roblox Model | 4.2 |
| .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 |
| .TS | TypeScript File | 4.0 |
| .ARSC | Android Package Resource Table | 4.0 |
| .ASM | Assembly Language Source Code File | 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 |
| .DWS | Dyalog Workspace File | 4.0 |
| .VBP | Visual Basic Project File | 4.0 |
| .AIDL | Android Interface Definition Language File | 4.0 |
| .HAS | Haskell Script | 4.0 |
| .YMP | YaST Metapackage File | 4.0 |
| .PH | Perl Header File | 4.0 |
| .TT | Visual Studio Text Template | 4.0 |
| .SLOGO | StarLogo Project File | 4.0 |
| .DSGM | DS Game Maker Project | 4.0 |
| .LUA | Lua Source Code | 4.0 |
| .PO | Portable Object | 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 |
| .MF | Java Manifest File | 4.0 |
| .PBG | Pixel Bender Graph File | 4.0 |
| .PATCH | Patch File | 3.9 |
| .CONFIG | Configuration File | 3.9 |
| .SWC | Flex Components Archive | 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 |
| .OCX | ActiveX Control | 3.9 |
| .XAML | XAML File | 3.9 |
| .CAPX | Construct Compressed Project File | 3.9 |
| .NK | NUKE Script | 3.9 |
| .ISE | InstallShield Express Project File | 3.9 |
| .CC | C++ Source Code File | 3.9 |
| .GMX | GameMaker File | 3.9 |
| .SWD | Flash Debug File | 3.9 |
| .ML | ML Source Code 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 |
| .CD | Visual Studio Class Diagram | 3.9 |
| .YML | YAML Document | 3.9 |
| .RES | C++ Complied Resource Script | 3.9 |
| .CSPROJ | Visual Studio C# Project | 3.9 |
| .FBP | wxFormBuilder Project | 3.9 |
| .BET | BETA Source File | 3.9 |
| .PROTO | Protocol Buffer File | 3.8 |
| .MK | Makefile | 3.8 |
| .S | Source Code File | 3.8 |
| .SLN | Visual Studio Solution File | 3.8 |
| .DTD | Document Type Definition File | 3.8 |
| .BLUEJ | BlueJ Package File | 3.8 |
| .ENTITLEMENTS | Mac App Sandboxing Entitlements File | 3.8 |
| .MXML | Flex MXML Component | 3.8 |
| .DEX | Dalvik Executable File | 3.8 |
| .RUL | InstallShield Rules 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 |
| .FTL | FreeMarker Template File | 3.8 |
| .XCDATAMODELD | Xcode Core Data Model File | 3.8 |
| .ERL | Erlang Source Code File | 3.8 |
| .XAMLX | Visual Studio Workflow Service File | 3.8 |
| .APPXUPLOAD | Windows 8 App Upload Package | 3.8 |
| .MPX | FoxPro Compiled Program Menu | 3.8 |
| .NUSPEC | NuGet Specification File | 3.8 |
| .CCS | CodeCharge Studio Project File | 3.8 |
| .ANE | Adobe AIR Native Extension | 3.8 |
| .DGML | Visual Studio Directed Graph Document | 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 |
| .XPP | X++ 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 |
| .CXP | CX-Programmer Project File | 3.8 |
| .IML | IntelliJ IDEA Module | 3.8 |
| .XT | Xdebug Trace File | 3.8 |
| .IPR | InstallShield Professional Project File | 3.8 |
| .CTP | CakePHP Template | 3.8 |
| .PL | Perl Script | 3.8 |
| .SUO | Visual Studio Solution User Options File | 3.8 |
| .H | C/C++/Objective-C Header File | 3.8 |
| .YAML | YAML Document | 3.8 |
| .PBJ | Pixel Bender Bytecode File | 3.8 |
| .EX | Euphoria Source Code | 3.8 |
| .AU3 | AutoIt v3 Script | 3.8 |
| .PIKA | Pika Software Builder Project File | 3.8 |
| .FXML | FXML Source Code File | 3.8 |
| .RB | Ruby Source Code | 3.7 |
| .SCC | SourceSafe Source Code Control File | 3.7 |
| .D | D Source Code File | 3.7 |
| .MO | Machine Object File | 3.7 |
| .DMD | SQL Developer Data Modeler File | 3.7 |
| .IDB | Visual Studio Intermediate Debug File | 3.7 |
| .W32 | Win32 Makefile | 3.7 |
| .MSIX | MSIX Installer Package | 3.7 |
| .S19 | Motorola S19 File Record | 3.7 |
| .ADS | Ada Specification File | 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 |
| .GITIGNORE | Git Ignore File | 3.7 |
| .AP_ | ADT Android Developer Package | 3.7 |
| .FPM | FPS Creator Map File | 3.7 |
| .TWIG | Twig Template | 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 |
| .PBXUSER | Xcode Project User Data File | 3.7 |
| .JSPF | Java Server Page Fragment | 3.7 |
| .HH | C++ Header File | 3.7 |
| .GSPROJ | GameSalad Windows Project 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 |
| .PYW | Python GUI Source 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 |
| .WIQ | Visual Studio Work Item Query File | 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 |
| .I | Visual Studio Intermediate File | 3.6 |
| .LIVECODE | LiveCode Stack 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 |
| .DF1 | Omnis Native Datafile | 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 |
| .ASC | ActionScript Communication File | 3.6 |
| .DM1 | ER/Studio Data Model File | 3.6 |
| .SCALA | Scala Source Code 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 |
| .FORTH | Forth Language File | 3.6 |
| .XCWORKSPACE | Xcode Workspace | 3.6 |
| .VM | Velocity Template | 3.6 |
| .SVN-BASE | Subversion Base File | 3.6 |
| .V | Coq Source Code File | 3.6 |
| .NUPKG | NuGet Package | 3.6 |
| .M | Objective-C Implementation File | 3.6 |
| .UI | User Interface File | 3.6 |
| .F | Fortran Source Code | 3.6 |
| .JIC | JTAG Indirect Configuration File | 3.6 |
| .RC2 | Visual Studio Resources File | 3.6 |
| .AS2PROJ | FlashDevelop ActionScript 2 Project File | 3.6 |
| .CBP | Code::Blocks 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 |
| .DIFF | Patch File | 3.5 |
| .CXX | C++ Source Code File | 3.5 |
| .CP | Xcode C++ Source File | 3.5 |
| .BDSPROJ | Borland Developer Studio Project | 3.5 |
| .VBX | Visual Basic Custom Control | 3.5 |
| .LSPROJ | Visual Studio LightSwitch Project | 3.5 |
| .WSC | Windows Script Component | 3.5 |
| .FOR | Fortran Source Code File | 3.5 |
| .LNT | PC-lint/FlexeLint Configuration File | 3.5 |
| .WDP | Windev Project File | 3.5 |
| .OMO | OMake Object File | 3.5 |
| .LDS | Binutils LD Linker Script | 3.5 |
| .OCA | Custom Control Library Type File | 3.5 |
| .HAML | Haml Source Code File | 3.5 |
| .RBC | Rembo-C Script | 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 |
| .ALB | Alpha Five Library | 3.5 |
| .WDW | WinDev Window File | 3.5 |
| .ISM | InstallShield Project File | 3.5 |
| .FSSCRIPT | Visual F# Script | 3.5 |
| .DBML | Visual Studio OR Design File | 3.5 |
| .SLTNG | StarLogo TNG Project 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 |
| .ILK | Incremental Linking File | 3.4 |
| .M4 | Macro Processor Library | 3.4 |
| .DOB | Visual Basic UserDocument | 3.4 |
| .BB | Blitz Source Code File | 3.4 |
| .PKB | Oracle Package Body File | 3.4 |
| .DART | Dart Source Code File | 3.4 |
| .M | MATLAB Source Code 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 |
| .XCCONFIG | Xcode Configuration Settings 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 |
| .PL | Prolog Source Code File | 3.3 |
| .ERB | Ruby ERB Script | 3.3 |
| .MSHC | Microsoft Help Container File | 3.3 |
| .MSS | Microprocessor Software Specification File | 3.3 |
| .CLS | Program Class File | 3.3 |
| .MSHI | Microsoft Help Index File | 3.3 |
| .V11.SUO | Visual Studio 2012 Solution User Options 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 |
| .CTXT | BlueJ Context File | 3.3 |
| .XOJO_XML_PROJECT | Xojo XML Project File | 3.3 |
| .PCP | Windows Installer Patch Creation Properties File | 3.3 |
| .ACD | Studio 5000 Logix Designer Project | 3.3 |
| .EXP | Symbols Export File | 3.3 |
| .CSI | ContentServ Include File | 3.3 |
| .PYX | Pyrex Source Code File | 3.3 |
| .JPR | JBuilder Project | 3.3 |
| .REFRESH | Visual Studio Refresh File | 3.3 |
| .SRC | Source Code File | 3.3 |
| .SYM | Symbols File | 3.3 |
| .A2W | Alice World | 3.3 |
| .DGSL | Visual Shader Graph File | 3.3 |
| .TCL | Tcl Script | 3.3 |
| .PM | Perl Module | 3.3 |
| .GWD | Galaxy Watchface Design File | 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 |
| .XOJO_PROJECT | Xojo Project File | 3.3 |
| .NSI | NSIS Script | 3.3 |
| .BUILDSETTING | Twixl Publisher Builder Build Setting | 3.3 |
| .VBPROJ | Visual Studio Visual Basic.NET Project | 3.2 |
| .BSC | Visual Studio Source Browser Information File | 3.2 |
| .OAT | Android Optimized Application File | 3.2 |
| .DSP | Visual C++ 6 Project | 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 |
| .A | Static Library | 3.2 |
| .LBI | Dreamweaver Library Item | 3.2 |
| .PXD | Pyrex Definition File | 3.2 |
| .PPC | Mobile Data Studio Project File | 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 |
| .P3D | Panda3D Multifile | 3.0 |
| .VSPX | Visual Studio Performance Report Data File | 3.0 |
| .PAW | Paw Document | 3.0 |
| .CLIPS | Coda Clips File | 3.0 |
| .XCAPPDATA | Xcode App Data File | 3.0 |
| .CP | Captivate Source File | 3.0 |
| .SCRIPTSUITE | AppleScript Script Suite File | 3.0 |
| .NEKO | Neko Source Code File | 3.0 |
| .SRC.RPM | Red Hat Package Manager Source File | 3.0 |
| .LUCIDSNIPPET | Lucid Snippet | 3.0 |
| .PDM | VB Project Information File | 3.0 |
| .REX | Rexx Source File | 3.0 |
| .MPWS | MathPiper Worksheet | 3.0 |
| .FXL | FaceFX Language File | 3.0 |
| .RNC | RELAX NG Compact Syntax File | 3.0 |
| .RBP | Real Studio Project File | 3.0 |
| .LBS | Omnis Library | 3.0 |
| .BS2 | BASIC Stamp 2 Code File | 3.0 |
| .GEMSPEC | Gem Specification File | 3.0 |
| .WIXOBJ | WiX Object File | 3.0 |
| .PKGUNDEF | Visual Studio Shell File | 3.0 |
| .GS3 | GameStarter 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 |
| .VJSPROJ | Visual Studio J# Project | 3.0 |
| .OCTOSTUDIO | Octostudio Project | 3.0 |
| .DPKW | Delphi Package | 3.0 |
| .DCUIL | Delphi .NET Compiled Unit File | 3.0 |
| .VSPS | Visual Studio Serialized Performance Report | 3.0 |
| .GSZIP | GameSalad Marketplace Asset File | 3.0 |
| .WPW | WinDev Mobile Window File | 3.0 |
| .RSS | Symbian Application Resource File | 3.0 |
| .FXCPROJ | FX Composer Project File | 3.0 |
| .RODL | RemObjects Definition Language File | 3.0 |
| .RISE | RISE Editor Model File | 3.0 |
| .CCP | CodeCharge Studio Page File | 3.0 |
| .FBZ7 | Compressed FinalBuilder 7 Project | 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 |
| .ODL | Object Description Language File | 3.0 |
| .JCP | JCreator Project File | 3.0 |
| .PRI | Qt Project Include File | 3.0 |
| .FXPL | Adobe Flash FXP Library | 3.0 |
| .WIXLIB | WiX Library File | 3.0 |
| .WIXOUT | WiX XML Output File | 3.0 |
| .WIXMST | WiX Transform File | 3.0 |
| .CVSRC | CVS Command File | 3.0 |
| .XOJO_MENU | Xojo Menu File | 3.0 |
| .XQL | XML Query Language File | 3.0 |
| .LXSPROJ | Liquid XML Studio Project File | 3.0 |
| .NW | Node-Webkit App Package | 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 |
| .IWB | IWBasic Source Code File | 3.0 |
| .XOJO_BINARY_PROJECT | Xojo Binary Project File | 3.0 |
| .RAV | Rave Reports Project File | 3.0 |
| .XCSNAPSHOTS | Xcode Snapshot | 3.0 |
| .WDGTPROJ | Dashcode Widget Project | 3.0 |
| .DIAGSESSION | Diagnostics Session File | 3.0 |
| .NUPROJ | NuGet Build Project | 3.0 |
| .TNS | TI-Nspire Document | 3.0 |
| .VDM | VDM Specification File | 3.0 |
| .VC | Verge Code File | 2.9 |
| .GED | Game Editor Project File | 2.9 |
| .PSC | Papyrus Script | 2.9 |
| .SS | SilverStripe Source Code File | 2.9 |
| .PLE | Messenger Plus! Live Encrypted Log File | 2.9 |
| .MOD | Fortran Module | 2.9 |
| .CTL | Visual Basic UserControl Object File | 2.9 |
| .ENT | External Entity | 2.9 |
| .SPEC | RPM Specification File | 2.9 |
| .FTN | Fortran Source Code File | 2.8 |
| .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 |
| .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 |
| .NVV | NVIDIA Vertex Shader File | 2.7 |
| .ADDIN | Visual Studio Add-in Definition File | 2.6 |
| .GROUPPROJ | Delphi Project Group File | 2.5 |
| .GFAR | Greenfoot Archive | 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 |
| .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 |
| .LHS | Literate Haskell Script | 2.4 |
| .CFC | ColdFusion Component File | 2.4 |
| .PDE | Processing Development Environment Source Code File | 2.4 |
| .VSP | Visual Studio Performance Report File | 2.4 |
| .LIT | Literate Haskell Script | 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 |
| .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 |
| .WIXPDB | WiX Debug File | 2.0 |
| .RESJSON | Windows JavaScript Resources File | 2.0 |
| .NFM | Delphi .NET Form File | 2.0 |
| .MSL | Mapping Specification Language 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 |
| .NQC | Not Quite C Source Code 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 |
| .WIXMSP | WiX XML Patch 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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