| .ADB | Open Source | Developer Files | Ada Body File | MacroMates TextMate | MacroMates |
| .ADS | Open Source | Developer Files | Ada Specification File | MacroMates TextMate | MacroMates |
| .AS | Adobe Systems Incorporated | Developer Files | Adobe ActionScript File | MacroMates TextMate | MacroMates |
| .ASA | Microsoft Corporation | Web Files | ASP Configuration File | MacroMates TextMate | MacroMates |
| .ASC | Symantec Corporation | Encoded Files | PGP (Pretty Good Privacy) ASCII Armored File | MacroMates TextMate | MacroMates |
| .ASCII | Sublime HQ Pty Ltd | Text Files | ASCII Text | MacroMates TextMate | MacroMates |
| .ASE | Adobe Systems Incorporated | Settings Files | Adobe Swatch Exchange File | MacroMates TextMate | MacroMates |
| .ASHX | Microsoft Corporation | Web Files | ASP.NET Web Handler File | MacroMates TextMate | MacroMates |
| .ASM | Open Source | Developer Files | Assembly Language Source Code File | MacroMates TextMate | MacroMates |
| .AXD | Microsoft Corporation | Web Files | ASP.NET Web Handler File | MacroMates TextMate | MacroMates |
| .AXL | Wattle Software | Data Files | XML File | MacroMates TextMate | MacroMates |
| .B | Rockstar Games | Game Files | Grand Theft Auto 3 Saved Game File | MacroMates TextMate | MacroMates |
| .BIB | Oren Patashnik | Text Files | BibTeX Bibliography Database | MacroMates TextMate | MacroMates |
| .BIBTEX | Oren Patashnik | Text Files | BibTeX Bibliography Database | MacroMates TextMate | MacroMates |
| .CC | Don Ho | Developer Files | C/C++ Source Code File | MacroMates TextMate | MacroMates |
| .CF | Proofpoint, Inc. | Settings Files | Sendmail Configuration File | MacroMates TextMate | MacroMates |
| .CFG | Unknown Developer | Developer Files | Configuration File | MacroMates TextMate | MacroMates |
| .CGI | Unknown Developer | Executable Files | Common Gateway Interface Script | MacroMates TextMate | MacroMates |
| .CIK | Corel | Settings Files | Corel Graphics 10 Custom Dual Tone File | MacroMates TextMate | MacroMates |
| .CIL | Symantec Corporation | Data Files | Norton CleanSweep Installation Log File | MacroMates TextMate | MacroMates |
| .CONF | Unknown Developer | Settings Files | Generic Configuration File | MacroMates TextMate | MacroMates |
| .CONFIG | Unknown Developer | Developer Files | Configuration File | MacroMates TextMate | MacroMates |
| .CUE | Unknown Developer | Disk Image Files | Cue Sheet File | MacroMates TextMate | MacroMates |
| .DBM | Adobe Systems Incorporated | Web Files | ColdFusion Server File | MacroMates TextMate | MacroMates |
| .DIST | Apple | Compressed Files | Mac OS X Distribution Script | MacroMates TextMate | MacroMates |
| .DOK | Nenad Hrg | Settings Files | DesktopOK Icons Layout File | MacroMates TextMate | MacroMates |
| .DPR | Niklaus Wirth | Developer Files | Pascal Source Code | MacroMates TextMate | MacroMates |
| .DTD | Syncro Soft | Developer Files | Document Type Definition File | MacroMates TextMate | MacroMates |
| .DWT | Adobe Systems Incorporated | Web Files | Dreamweaver Web Page Template | MacroMates TextMate | MacroMates |
| .ERL | INCA Internet | Uncommon Files | GameGuard Error Log File | MacroMates TextMate | MacroMates |
| .EW | OpenEuphoria | Developer Files | Euphoria Source Code File | MacroMates TextMate | MacroMates |
| .EX | Symantec Corporation | Settings Files | Norton Ghost Template Data | MacroMates TextMate | MacroMates |
| .EXW | OpenEuphoria | Developer Files | Euphoria Source Code File | MacroMates TextMate | MacroMates |
| .F | The Eclipse Foundation | Developer Files | Fortran Source Code | MacroMates TextMate | MacroMates |
| .F03 | The Eclipse Foundation | Developer Files | Fortran Source Code | MacroMates TextMate | MacroMates |
| .FOR | MacroMates | Developer Files | Fortran 77 Source File | MacroMates TextMate | MacroMates |
| .FPP | The Eclipse Foundation | Developer Files | Fortran Source Code | MacroMates TextMate | MacroMates |
| .FTN | The Eclipse Foundation | Developer Files | Fortran Source Code | MacroMates TextMate | MacroMates |
| .GO | Google | Developer Files | Go Source Code File | MacroMates TextMate | MacroMates |
| .GROOVY | VMware | Developer Files | Groovy Source Code File | MacroMates TextMate | MacroMates |
| .H | The Eclipse Foundation | Developer Files | C/C++/Objective-C Header File | MacroMates TextMate | MacroMates |
| .HH | Microsoft Corporation | Developer Files | C++ Header File | MacroMates TextMate | MacroMates |
| .HPP | Microsoft Corporation | Developer Files | C++ Header File | MacroMates TextMate | MacroMates |
| .HRL | Ericsson Computer Science Laboratory | Developer Files | Erlang Header File | MacroMates TextMate | MacroMates |
| .HS | Open Source | Developer Files | Haskell Script | MacroMates TextMate | MacroMates |
| .HTACCESS | Apache Software Foundation | Web Files | Apache HTACCESS File | MacroMates TextMate | MacroMates |
| .HTC | Microsoft Corporation | Web Files | HTML Component File | MacroMates TextMate | MacroMates |
| .HVC | Sublime HQ Pty Ltd | Text Files | ASCII Text | MacroMates TextMate | MacroMates |
| .HXX | The Qt Company | Developer Files | C++ Source Code Header File | MacroMates TextMate | MacroMates |
| .H__ | Microsoft Corporation | Developer Files | C++ Header File | MacroMates TextMate | MacroMates |
| .IIL | Symantec Corporation | Data Files | Norton CleanSweep Installation Log File | MacroMates TextMate | MacroMates |
| .INC | Microsoft Corporation | Developer Files | Include File | MacroMates TextMate | MacroMates |
| .INF | Parametric Technology Corporation | Temporary Files | Pro/ENGINEER Temporary | MacroMates TextMate | MacroMates |
| .INFO | GNU Project | Uncommon Files | Texinfo Document | MacroMates TextMate | MacroMates |
| .ION | Open Source | System Files | File Description File | MacroMates TextMate | MacroMates |
| .JAV | Oracle Corporation | Developer Files | Java Source Code | MacroMates TextMate | MacroMates |
| .JAVA | Oracle Corporation | Developer Files | Java Source Code | MacroMates TextMate | MacroMates |
| .JS | NetScape | Web Files | JavaScript File | MacroMates TextMate | MacroMates |
| .JSCRIPT | NetScape | Web Files | JavaScript File | MacroMates TextMate | MacroMates |
| .LHS | SourceForge | Developer Files | Literate Haskell Script | MacroMates TextMate | MacroMates |
| .LIS | SourceForge | Text Files | SQR (Structured Query Reporting) Output File | MacroMates TextMate | MacroMates |
| .LIT | Microsoft Corporation | eBook Files | Microsoft Reader eBook File | MacroMates TextMate | MacroMates |
| .LSP | Open Source | Developer Files | Lisp Program Source Code File | MacroMates TextMate | MacroMates |
| .LUA | Unknown Developer | Developer Files | Lua Source File | MacroMates TextMate | MacroMates |
| .M4 | Open Source | Developer Files | Macro Processor Library | MacroMates TextMate | MacroMates |
| .MARKDOWN | Various Developers | Developer Files | Markdown Documentation File | MacroMates TextMate | MacroMates |
| .MD | Various Developers | Developer Files | Markdown Documentation File | MacroMates TextMate | MacroMates |
| .MDOWN | John Gruber | Text Files | Markdown Markup Language Source Code | MacroMates TextMate | MacroMates |
| .MED | Rockwell Automation Inc. | Developer Files | RSView Development Project Archive | MacroMates TextMate | MacroMates |
| .MEDLINE | National Library of Medicine | Data Files | MEDLINE Document | MacroMates TextMate | MacroMates |
| .ML | Robin Milner | Developer Files | ML Source Code File | MacroMates TextMate | MacroMates |
| .NFO | Microsoft Corporation | System Files | System Information File | MacroMates TextMate | MacroMates |
| .NLS | Uri Wilensky | Developer Files | NetLogo Source Code File | MacroMates TextMate | MacroMates |
| .P | Python Software Foundation | Developer Files | Python Pickle File | MacroMates TextMate | MacroMates |
| .PAS | Embarcadero Technologies | Developer Files | Delphi Unit Source File | MacroMates TextMate | MacroMates |
| .PCC | Electronic Arts | Game Files | Mass Effect Package | MacroMates TextMate | MacroMates |
| .PCH | MSC Software | Data Files | Nastran Punch Output File | MacroMates TextMate | MacroMates |
| .PDE | Open Source | Developer Files | Processing Development Environment Source | MacroMates TextMate | MacroMates |
| .PER | Microsoft Corporation | Game Files | Age Of Empires Personality File | MacroMates TextMate | MacroMates |
| .PHP | Panic | Web Files | PHP Source Code File | MacroMates TextMate | MacroMates |
| .PHP3 | Open Source | Web Files | PHP 3 Web Page | MacroMates TextMate | MacroMates |
| .PHP4 | Open Source | Web Files | PHP 4 Web Page | MacroMates TextMate | MacroMates |
| .PHP5 | Open Source | Web Files | PHP 5 Web Page | MacroMates TextMate | MacroMates |
| .PKS | Oracle Corporation | Data Files | Oracle Package Spec File | MacroMates TextMate | MacroMates |
| .PM | IBM | Raster Image Files | Unix XV Graphic File | MacroMates TextMate | MacroMates |
| .POD | Terminal Reality | Game Files | Terminal Reality Game Data File | MacroMates TextMate | MacroMates |
| .PROFILE | GNU Operating System | System Files | Bash Shell Profile | MacroMates TextMate | MacroMates |
| .PY | Python Software Foundation | Developer Files | Python Script | MacroMates TextMate | MacroMates |
| .PY2 | Python Software Foundation | Developer Files | Python Script | MacroMates TextMate | MacroMates |
| .R | Open Source | Developer Files | R Script File | MacroMates TextMate | MacroMates |
| .RB | Larian Studios | Game Files | Divinity: Original Sin Game Data | MacroMates TextMate | MacroMates |
| .RBW | Yukihiro “Matz” Matsumoto | Developer Files | Ruby Script | MacroMates TextMate | MacroMates |
| .RDF | Unknown Developer | Settings Files | Resource Description Framework File | MacroMates TextMate | MacroMates |
| .RHTML | Yukihiro “Matz” Matsumoto | Web Files | Ruby HTML Web Page | MacroMates TextMate | MacroMates |
| .RJS | Yukihiro “Matz” Matsumoto | Web Files | Ruby Javascript File | MacroMates TextMate | MacroMates |
| .RPT | SAP | Data Files | Crystal Reports File | MacroMates TextMate | MacroMates |
| .RPY | Team Shanghai Alice | Game Files | Touhou Project Replay File | MacroMates TextMate | MacroMates |
| .RTX | The Document Foundation | Text Files | Rich Text Document | MacroMates TextMate | MacroMates |
| .S | Unknown Developer | Developer Files | Source Code File | MacroMates TextMate | MacroMates |
| .SCPT | Apple | Executable Files | AppleScript Script File | MacroMates TextMate | MacroMates |
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