| pkg | Mac OS X Installer Package |
| pkg | Sony Playstation 3 Package |
| pkv | Steam Package Data |
| pmom | Mindomo Desktop Packed Map |
| pnh | Adobe Project ROME Plug-in Archive |
| ppkg | Windows ICD Provisioning Package |
| psarc | Sony PlayStation 3 Game Archive |
| psb | Navicat Backup File |
| psc | Navicat Compressed Backup File |
| put | Microfox PUT Compressed Archive |
| puz | Microsoft Publisher Packed Document |
| pv | PV Elite Archive |
| pwa | Password Agent |
| pwv | SSE Password Vault Archive |
| pwzip | Polyworks Compressed Archive |
| pzip | WinZip Mac Archive |
| qdz | Altera Quartus II Device Package |
| qfc | QFC Archive |
| qic | Windows 95/98/ME Backup |
| qpk | QNX Package File |
| qpkg | QNAP QTS Package |
| qq | Shrinkit BLU Archive |
| qsb | Lenovo Smartphone Firmware Update |
| quad | QUAD Compressed Archive |
| qup | QuickTime Update Package |
| qze | QZip Encrypted Archive |
| r0 | WinRAR Compressed Archive |
| r00 | WinRAR Archive |
| r01 | WinRAR Archive |
| r02 | WinRAR Archive |
