| pdv | Privacy Drive Volume |
| pe3 | PhotoImpact 3 Image Archive |
| pe4 | PhotoImpact 3 Image Archive |
| pea | P-Encryption Suite Archive |
| pea | PeaZip Archive |
| pet | Puppy Linux Install Package |
| pf | StuffIt Private File |
| pgz | StreamLync Download Archive |
| pima | Adobe Application Manager Package |
| pimx | Adobe Creative Cloud Extension |
| pit | PackIt Compressed Archive |
| piz | Zipped |
| pk3 | Quake 3 Engine Data File |
| pkg | CoCreate OneSpace Packaged Data |
| pkg | InstallShield Compiled Setup Package |
| pkg | Mac OS X Installer Package |
| pkg | Microsoft SMS Distribution Manager Package |
| pkg | Sony Playstation 3 Package |
| pkv | Steam Package Data |
| plat | Platinum Web Package |
| pma | Pegasus Mail Archive |
| pmf | PartitionGuru Backup Image |
| pmom | Mindomo Desktop Packed Map |
| pmz4 | Power Music Backup Archive |
| pnh | Adobe Project ROME Plug-in Archive |
| ppkg | Windows ICD Provisioning Package |
| prpkg | Adobe Presenter Package |
| prpkg | Preactor Package |
| psa | Plesk Panel Backup Data |
| psarc | Sony PlayStation 3 Game Archive |
