| pnrx | Novell File Reporter File Viewer Document |
| pnx | Pegasus Mail Draft Message |
| pot | Microsoft PowerPoint Template |
| pothtml | Microsoft PowerPoint 2007 HTML Template |
| potm | Microsoft PowerPoint 2007 Template |
| potx | Microsoft PowerPoint 2007 Template |
| pov | POV-Ray Raytracing Format |
| ppam | Microsoft PowerPoint 2007 Add-in |
| ppax | Microsoft PowerPoint 2007 Add-in |
| ppb | Serif PagePlus Bookplus Document |
| ppdf | Microsoft RMS Protected PDF |
| ppml | Personalized Print Markup Language Document |
| ppp | Serif PagePlus Publication |
| pps | Microsoft PowerPoint Slideshow |
| ppsm | Microsoft PowerPoint 2007 Slideshow |
| ppsx | Microsoft PowerPoint 2007 Slideshow |
| ppt | Microsoft PowerPoint Presentation |
| ppta | Articulate Presenter Document |
| pptm | Microsoft PowerPoint 2007 Presentation |
| pptmhtml | Multipurpose Internet Mail Extension HTML |
| pptt | OnlyOffice Internal PPTX Document |
| pptx | Microsoft PowerPoint 2007 Presentation |
| ppx | Serif PagePlus Template |
| pr3 | Adobe Persuasion v3 Presentation |
| pr4 | Harvard Graphics Presentation |
| prdx | SoftMaker Presentations Document |
| prjdoc | Altium Designer PCB Document |
| prn | Printer Text File |
| pro | Chord Pro Chord |
| pro4 | ProPresenter 4 Document |
| pro4dvd | ProPresenter 4 DVD Clip |
| pro4pl | ProPresenter 4 Playlist File |
| pro4plx | ProPresenter 4 Playlist Bundle |
| pro4x | ProPresenter 4 Bundle |
| pro5 | ProPresenter 5 Document |
