| .AUX | Interscape | Settings Files | LaTeX Auxiliary File | TeXworks | Jonathan Kew and Stefan Löffler |
| .BBL | Thomas Feuerstack | Text Files | BibTeX Generated Bibliography File | TeXworks | Jonathan Kew and Stefan Löffler |
| .BLG | Microsoft Corporation | Data Files | Windows Binary Performance Log File | TeXworks | Jonathan Kew and Stefan Löffler |
| .BST | Various Developers | Uncommon Files | BibTeX Style Document | TeXworks | Jonathan Kew and Stefan Löffler |
| .CLS | Leslie Lamport | Uncommon Files | LaTeX Document Class File | TeXworks | Jonathan Kew and Stefan Löffler |
| .DFU | Apple | System Files | iOS DFU File | TeXworks | Jonathan Kew and Stefan Löffler |
| .DTX | Open Source | Page Layout Files | Documented LaTeX File | TeXworks | Jonathan Kew and Stefan Löffler |
| .ETX | Open Source | Font Files | TeX Font Encoding File | TeXworks | Jonathan Kew and Stefan Löffler |
| .GF | Jonathan Kew and Stefan Löffler | Font Files | METAFONT Bitmap File | TeXworks | Jonathan Kew and Stefan Löffler |
| .INS | Open Source | Data Files | LaTeX Installer Script | TeXworks | Jonathan Kew and Stefan Löffler |
| .LTX | GSC Game World | Game Files | S.T.A.L.K.E.R. Properties File | TeXworks | Jonathan Kew and Stefan Löffler |
| .MF | Walt Disney Imagineering | Game Files | Gameplay Multifile | TeXworks | Jonathan Kew and Stefan Löffler |
| .PK | Adobe Systems Incorporated | Audio Files | Audition Peak File | TeXworks | Jonathan Kew and Stefan Löffler |
| .STY | Jørgen Sørensen / Jososoft | Audio Files | Yamaha/Korg Keyboard Style | TeXworks | Jonathan Kew and Stefan Löffler |
| .TEX | Open Source | Text Files | LaTeX Source Document | TeXworks | Jonathan Kew and Stefan Löffler |
| .TFM | Jonathan Kew and Stefan Löffler | Font Files | TeX Font Metric File | TeXworks | Jonathan Kew and Stefan Löffler |
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