| psf | HP-UX Product Specification Data |
| pva | PanelView Application |
| pva | Process Panel Builder Application |
| pwg | PyMOL Web GUI File |
| pyc | Compiled Python Bytecode |
| pyd | Python Dynamic Module |
| pywz | Python for Windows Zipped Executable |
| pyz | Python Zipped Executable |
| pyzw | Python Zipped Executable |
| q1q | LunarCell Photoshop Plug-in |
| q2q | Flexify Photoshop Plug-in |
| q4q | SolarCell Photoshop Plug-in |
| q7q | India Ink Photoshop Plug-in |
| q9r | Glitterato Photoshop Plug-In |
| qbc | qDos Batch File |
| qcm | Niobrara QUCM Application |
| qde | qDos Executable |
| qpx | QuickTime Player Extension |
| qts | QuickTime System File |
| qvf | QlikView Sense App |
| rob | WinTask Compiled Executable |
| rpg | Lego Mindstorms NXT 5-Steps Program |
| rpx | Wii U Executable |
| rsc | SymbianOS Compiled Resource |
| run | TAS Compiled Executable |
| rwn | TAS Compiled Executable |
| rxe | Lego Mindstorms NXT Brick Executable |
| ryb | Raynerboss Executable |
| s1 | Freescale S-record File |
| s2 | Freescale S-record File |
