| .PAR | Siemens PLM Software | Arquivos CAD | Solid Edge Part File | Apache OpenOffice | Apache Software Foundation |
| .PBA | Oracle Corporation | Arquivos de complementos | OpenOffice.org Basic Protected Module File | Apache OpenOffice | Apache Software Foundation |
| .PCD | PokéCheats | Arquivos de jogos | Pokémon Wonder Card File | Apache OpenOffice | Apache Software Foundation |
| .PHTML | Opera Software | Arquivos Web | PHP Web Page | Apache Tomcat | Apache Software Foundation |
| .PMK | David Harris | Arquivos de configuração | Pegasus Mail Keyboard Settings | Apache OpenOffice | Apache Software Foundation |
| .PO | Sublime HQ Pty Ltd | Arquivos de desenvolvedor | Portable Object | Apache OpenOffice | Apache Software Foundation |
| .POM | Apache Software Foundation | Arquivos miscelâneas | Maven Build File | Maven | Apache Software Foundation |
| .POT | Microsoft Corporation | Arquivos de dados | PowerPoint Template | Apache OpenOffice | Apache Software Foundation |
| .POTX | Microsoft Corporation | Arquivos de dados | PowerPoint Open XML Presentation Template | OpenOffice Impress | Apache Software Foundation |
| .PPS | Microsoft Corporation | Arquivos de dados | PowerPoint Slide Show | Apache OpenOffice | Apache Software Foundation |
| .PPSX | Microsoft Corporation | Arquivos de dados | PowerPoint Open XML Slide Show | Apache OpenOffice | Apache Software Foundation |
| .PPT | Microsoft Corporation | Arquivos de dados | PowerPoint Presentation | Apache OpenOffice | Apache Software Foundation |
| .PPTX | Microsoft Corporation | Arquivos de dados | PowerPoint Open XML Presentation | Apache OpenOffice | Apache Software Foundation |
| .PRG | Open Source | Arquivos executáveis | Program File | OpenOffice Writer | Apache Software Foundation |
| .PSV | Sony | Arquivos de jogos | PlayStation 2 Save File | Apache OpenOffice | Apache Software Foundation |
| .PSW | Microsoft Corporation | Arquivos miscelâneas | Windows Password Reset Disk File | Apache OpenOffice | Apache Software Foundation |
| .PWI | Microsoft Corporation | Arquivos de Texto | Pocket Word Document | Apache OpenOffice | Apache Software Foundation |
de 1 
