| pao | Xilinx Peripheral Analyze Order File |
| pap | Corel Painter Paper Texture |
| papers | Corel Painter Paper Texture |
| par | Mail.dat Postage Adjustment File |
| param | CASTEP Parameters Data |
| parca | RealityCharting Packaged Chart |
| part00000 | WinOptimizer Split Archive Part 1 |
| part2 | NetObjects Fusion Internal System Data |
| part3 | NetObjects Fusion Internal System Data |
| part4 | NetObjects Fusion Internal System Data |
| part5 | NetObjects Fusion Internal System Data |
| pass | Xcode Wallet Data |
| passwordwallet4 | PasswordWallet 4 Data |
| path | DROPS Simulator Survey Data |
| pattern | PhotoLine 4 Pattern Data |
| paux | plasTeX Data |
| pav | MediaMatrix Peavey Architectural View Data |
| paw | Pawaa File |
| pay | z-Tree Payment File |
| paz | Project A.R.S.E Brain Data |
| pb1 | UltraEdit Popup Data |
| pbb | AT&T Phonebook |
| pbf | Picasa Button File |
| pbin | polarization NAVIGATOR Binary Data |
| pbn | Portable Bridge Notation Database |
| pbo | Samsung A900 Phone Book Object |
| pbp | Sony PSP Firmware Update Image |
| pbq | PunkBuster Query Script |
| pbx5script | Personal Backup Script |
| pbxscript | Personal Backup Script |
