| pat | PCStitch Pattern Data |
| pat | Raynen-Qili KnitCAD Needle Action Data |
| pat | Synology DiskStation Manager Update |
| pat0 | Nintendo Wii Texture Pattern Data |
| patchcache | Microsoft Windows Patch Cache |
| patches | UEStudio Patches Data |
| path | DROPS Simulator Survey Data |
| pattern | PhotoLine 4 Pattern Data |
| patternlibrary | Corel Painter Pattern Library |
| patterns | Corel Painter Pattern Library |
| paux | plasTeX Data |
| pav | MediaMatrix Peavey Architectural View Data |
| pav | Panda Antivirus Database |
| paw | Pawaa File |
| paw | Personal Ancestry Writer II Data |
| pax | Personal Ancestral File Data |
| pay | PriorityRate Data |
| pay | z-Tree Payment File |
| payload | Windows Mobile Payload Data |
| paz | Project A.R.S.E Brain Data |
| pb | WinFax Pro Phone Book |
| pb1 | UltraEdit Popup Data |
| pb5 | COM Profibus v5 Data |
| pba | OpenOffice.org Basic Package |
| pbb | Personal Book Builder Data |
| pbd | EaseUS Todo Backup Archive |
| pbd | PBD-14 Input Data |
| pbd | ProBID+ Data |
| pbf | Picasa Button File |
| pbf | PowerBackup Data |
| pbin | polarization NAVIGATOR Binary Data |
| pbj | PowerBackup Job Data |
| pbk | ElectraSoft Fax Phone Book |
| pbk | HP 95LX Phone Book Data |
| pbn | Portable Bridge Notation Database |
