| Endung | Registry-Eintrag | Anwendung (Standard) |
| .p10 | P10datei | |
| .p12 | PFXdatei | |
| .p7b | SPCdatei | |
| .p7c | certificate_wab_auto_datei | |
| .p7m | P7Mdatei | |
| .p7r | SPCdatei | |
| .p7s | P7Sdatei | |
| .PAT | CorelDraw.Graphic.10 | Corel DRAW |
| .pbk | pbkdatei | |
| .pcb | PCBdatei | |
| .pcd | PCDdatei | |
| .pct | QuickTime.pct | Apple Quicktime |
| .pcx | pcxdatei | |
| AcroExch.Document | Adobe Acrobat | |
| .pdp | Photoshop.PDFdatei | ADOBE Photoshop |
| .PEC | FMPro50Run.PEC | FileMaker Pro |
| .perl | Perldatei | |
| .pfm | pfmdatei | |
| .pfx | PFXdatei | |
| .php | phpdatei | |
| .php3 | text | MICROSOFT Notepad |
| .php4 | phpdatei | |
| .pic | QuickTime.pic | Apple Quicktime |
| .pict | QuickTime.pict | Apple Quicktime |
| .pif | pifdatei | |
| .pip | PIPdatei | |
| .pko | PKOdatei | |
| .pl | Perldatei | |
| .plg | Perldatei | |
| .pls | RealPlayer.MP3PL.6 | Real Player |
| .pm | Perldatei | |
| .pma | Perfdatei | |
| .pmc | Perfdatei | |
| .pml | Perfdatei | |
| .pmr | Perfdatei | |
| .pmw | Perfdatei | |
| .pnf | pnfdatei | |
| .png | image | MICROSOFT Internet Explorer |
| .pntg | QuickTime.pntg | Apple Quicktime |
| .pothtml | PowerPoint htmltemplate | MICROSOFT Powerpoint |
| .ppa | PowerPoint.Addin.8 | MICROSOFT Powerpoint |
| .ppthtml | PowerPoint htmltemplate | MICROSOFT Powerpoint |
| .pptmhtml | PowerPoint htmltemplate | MICROSOFT Powerpoint |
| .prf | prf_auto_datei | |
| .prs | Corel.PrintStyle | |
| .ps | application/postscript | ADOBE Photoshop Postscript |
| .psd | Photoshop.Image.6 | ADOBE Photoshop |
| .psf | Photoshop.ProofSetup | ADOBE Photoshop |
| .psp | Photoshop.Preferencesdatei | ADOBE Photoshop |
| .psw | PSWdatei | |
| .pt | ptdatei | |
| .pwz | PowerPoint.Wizard.8 | MICROSOFT Powerpoint |
| .pxr | Photoshop.PXRdatei | ADOBE Photoshop |
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