| pck | Microsoft SMS Package |
| pcomp | Polycomp Compressed Data |
| pcpx | NEC WebPro Configuration Backup |
| pcv | MozBackup Profile Backup |
| pdv | Privacy Drive Volume |
| pe3 | PhotoImpact 3 Image Archive |
| pe4 | PhotoImpact 3 Image Archive |
| pea | P-Encryption Suite Archive |
| PeaZip Archive |
| pet | Puppy Linux Install Package |
| pf | StuffIt Private File |
| pgz | StreamLync Download Archive |
| pim | PIMPLE Compressed Archive |
| pima | Adobe Application Manager Package |
| pimx | Adobe Creative Cloud Extension |
| pisi | Pardus Linux Package |
| pit | PackIt Compressed Archive |
| piz | Zipped |
| pk3 | Quake 3 Engine Data |
| pka | PKArc Compressed Archive |
| pkd | Amiga PackDev Disk Archive |
| pkg | Automise ActionDefs Package |
| CoCreate OneSpace Packaged Data |
| InstallShield Compiled Setup Package |
| Mac OS X Installer Package |
| Microsoft SMS Distribution Manager Package |
| Sony Playstation 3 Package |
| Symbian OS Package |
| pkv | Steam Package Data |
| pkx | IBM Rational XDE Package |
| pkz | Cisco Packet Tracer Archive |
| plat | Platinum Web Package |
| pma | MSX PMA Archive |
| Pegasus Mail Archive |
| pmf | PartitionGuru Backup Image |
| pmom | Mindomo Desktop Packed Map |
| pmz4 | Power Music Backup Archive |
| pnh | Adobe Project ROME Plug-in Archive |
| pp | Amiga PowerPacker Compressed Archive |
| ppkg | Windows ICD Provisioning Package |
| ppv | Pogle Platinum Version Archive |
| pro5templatebundle | ProPresenter 5 Template Bundle |
| prpkg | Adobe Presenter Package |
| Preactor Package |
| przp | Infinite Painter Brush Archive |
| psa | Plesk Panel Backup Data |
| Pretty Simple Archive archive |
| psarc | Sony PlayStation 3 Game Archive |
| psb | Navicat Backup File |
| psc | Navicat Compressed Backup File |
| pup | Puppy Linux DotPup Package |
| pupg | Efficia DFM100 Software Upgrade Package |
| put | Microfox PUT Compressed Archive |
| puz | Microsoft Publisher Packed Document |
| pv | PV Elite Archive |
| pwv | SSE Password Vault Archive |
| pwzip | Polyworks Compressed Archive |
| pzip | WinZip Mac Archive |
| pzv | PTC Creo View MCAD Package |
| qar | Altera Quartus II Project Archive |
| qcf | Miliki Super Compressor Pro Archive |
| qda | Quadruple D Archive |
| qdz | Altera Quartus II Device Package |
| qfc | QFC Archive |
| qic | Windows 95/98/ME Backup |
| qlz | QPress QuickLZ Compressed Archive |
| qp | QPress QuickLZ Compressed Archive |
| qp03 | QPress QuickLZ Compressed Archive |
| qpk | QNX Package File |
| qpkg | QNAP QTS Package |
| qq | Shrinkit BLU Archive |
| qqa | Quanquest Archive Data |
| qsb | Lenovo Smartphone Firmware Update |
| qta | Tape Archive |
| qtar | Tape Archive |
| qtsk | Qtracker PlayerWatch Skin Package |
| quad | QUAD Compressed Archive |
| qualsoftcode | QualSoft Speedy Browser Archive |
| quicklz | QPress QuickLZ Compressed Archive |
| qup | QuickTime Update Package |
