| Extension | File Description |
| .PMS | Uncommon Files |
| .PMT | Uncommon Files |
| .PMTOOL | Uncommon Files |
| .PMU | Uncommon Files |
| .PMW | Uncommon Files |
| .PMX | Uncommon Files |
| .PMY | Uncommon Files |
| .PMZ | Uncommon Files |
| .PMZ4 | Uncommon Files |
| .PM_ | Uncommon Files |
| .PN0 | Uncommon Files |
| .PN1 | Uncommon Files |
| .PN2 | Uncommon Files |
| .PN3 | Uncommon Files |
| .PN4 | Uncommon Files |
| .PN5 | Uncommon Files |
| .PN6 | Uncommon Files |
| .PN7 | Uncommon Files |
| .PN8 | Uncommon Files |
| .PN9 | Uncommon Files |
| .PNAGENT | Uncommon Files |
| .PNB | Uncommon Files |
| .PNC | Uncommon Files |
| .PND | Uncommon Files |
| .PNE | Uncommon Files |
| .PNH | Uncommon Files |
| .PNI | Uncommon Files |
| .PNJ | Uncommon Files |
| .PNK | Uncommon Files |
| .PNL | Uncommon Files |
| .PNN | Uncommon Files |
| .PNO | Uncommon Files |
| .PNP | Uncommon Files |
| .PNQ | Uncommon Files |
| .PNR | Uncommon Files |
| .PNU | Uncommon Files |
| .PNV | Uncommon Files |
| .PNW | Uncommon Files |
| .PNX | Uncommon Files |
| .PNY | Uncommon Files |
| .PO0 | Uncommon Files |
| .PO1 | Uncommon Files |
| .PO2 | Uncommon Files |
| .PO3 | Uncommon Files |
| .PO4 | Uncommon Files |
| .PO5 | Uncommon Files |
| .PO6 | Uncommon Files |
| .PO7 | Uncommon Files |
| .PO8 | Uncommon Files |
| .PO9 | Uncommon Files |
| .POA | Uncommon Files |
| .POB | Uncommon Files |
| .POC | Uncommon Files |
| .POE | Uncommon Files |
| .POEM | Uncommon Files |
| .POEMS | Uncommon Files |
| .POH | Uncommon Files |
| .POI | Uncommon Files |
| .POJ | Uncommon Files |
| .POK | Uncommon Files |
| .POKER | Uncommon Files |
| .POLICY | Uncommon Files |
| .POLKA | Uncommon Files |
| .POLYGONIA | Uncommon Files |
| .POM | Uncommon Files |
| .PON | Uncommon Files |
| .PONGLIFE | Uncommon Files |
| .POO | Uncommon Files |
| .POOL | Uncommon Files |
| .POQ | Uncommon Files |
| .PORT | Uncommon Files |
| .PORT1 | Uncommon Files |
| .PORT2 | Uncommon Files |
| .PORT3 | Uncommon Files |
| .PORT4 | Uncommon Files |
| Extension | File Description |
| .PORT5 | Uncommon Files |
| .POSD | Uncommon Files |
| .POSTSCRIPT | Uncommon Files |
| .POTHTML | Uncommon Files |
| .POTMENX | Uncommon Files |
| .POTXENX | Uncommon Files |
| .POU | Uncommon Files |
| .POW | Uncommon Files |
| .POWER | Uncommon Files |
| .POWERCHORD | Uncommon Files |
| .POWERFIFTH | Uncommon Files |
| .POWERFONT | Uncommon Files |
| .POWERGS | Uncommon Files |
| .POWER_OF_A | Uncommon Files |
| .POX | Uncommon Files |
| .POY | Uncommon Files |
| .POZ | Uncommon Files |
| .PP$ | Uncommon Files |
| .PP0 | Uncommon Files |
| .PP1 | Uncommon Files |
| .PP3 | Uncommon Files |
| .PP3NSCALE | Uncommon Files |
| .PP6 | Uncommon Files |
| .PP7 | Uncommon Files |
| .PP8 | Uncommon Files |
| .PP9 | Uncommon Files |
| .PPAMENX | Uncommon Files |
| .PPB | Uncommon Files |
| .PPE | Uncommon Files |
| .PPENC | Uncommon Files |
| .PPG | Uncommon Files |
| .PPH | Uncommon Files |
| .PPI | Uncommon Files |
| .PPMA | Uncommon Files |
| .PPN | Uncommon Files |
| .PPO | Uncommon Files |
| .PPQ | Uncommon Files |
| .PPRINT | Uncommon Files |
| .PPSENX | Uncommon Files |
| .PPSMENX | Uncommon Files |
| .PPSXENX | Uncommon Files |
| .PPTENX | Uncommon Files |
| .PPTMENX | Uncommon Files |
| .PPTXENX | Uncommon Files |
| .PPV | Uncommon Files |
| .PPW | Uncommon Files |
| .PPY | Uncommon Files |
| .PQ | Uncommon Files |
| .PQ0 | Uncommon Files |
| .PQ1 | Uncommon Files |
| .PQ2 | Uncommon Files |
| .PQ3 | Uncommon Files |
| .PQ4 | Uncommon Files |
| .PQ5 | Uncommon Files |
| .PQ6 | Uncommon Files |
| .PQ7 | Uncommon Files |
| .PQ8 | Uncommon Files |
| .PQ9 | Uncommon Files |
| .PQA | Uncommon Files |
| .PQB | Uncommon Files |
| .PQC | Uncommon Files |
| .PQD | Uncommon Files |
| .PQE | Uncommon Files |
| .PQF | Uncommon Files |
| .PQG | Uncommon Files |
| .PQH | Uncommon Files |
| .PQJ | Uncommon Files |
| .PQK | Uncommon Files |
| .PQL | Uncommon Files |
| .PQM | Uncommon Files |
| .PQN | Uncommon Files |
| .PQO | Uncommon Files |
| .PQP | Uncommon Files |
| .PQQ | Uncommon Files |
| .PQR | Uncommon Files |
