| pb1 | 3D Home Architect Plan |
| pbd | iSilo Document |
| pbf | Digital PhotoBook File |
| pbit | Microsoft Power BI Template |
| pbiviz | Microsoft Power BI Visualisation Data |
| pbix | Microsoft Power BI Report |
| pc | Personal Composer Document |
| pc6 | PowerCADD 6 Drawing |
| pc7 | PowerCADD 7 Drawing |
| pcb | Broderbund PrintMaster Business Card |
| pcbdwf | Altium Designer Draftsman Drawing |
| pcd | Pfaff Creative Designer Design |
| pcd2 | Pfaff Creative Designer Design |
| pcl | Pencil2D Legacy Document |
| Printer Command Language Document |
| pclx | Pencil2D Compressed Document |
| pco | PC-Outline Outline |
| pcq | Pfaff Embroidery Document |
| pcr | Broderbund PrintMaster Post Card |
| pcs | Pfaff Embroidery Document |
| Pfaff Stitch Creator Pattern |
| pcw | PC Write Text Document |
| pd | PipeDream Document |
| pda | PrintShop Deluxe Document |
| pdc | Lizard Safeguard PDF Security Protected PDF |
| pde | ProntoDoc for Excel Document Template |
| pder | ProntoDoc for Excel Conventional Document |
| pdf | Portable Document Format Document |
| pdfl | Document Manager Locked PDF Document |
| pdfvt | PDF/VT Document |
| pdfx | PDF/X Document |
| pdfxml | Adobe Mars Project Document |
| pdh | ProntoDoc for Word Browser Display Document Template |
| pdl | PrintShop Deluxe Flyer Document |
| pdml | Packet Details Markup Language Document |
| pdms | AVEVA PDMS Document |
| pdo | Pepakura Designer Pattern |
| pdp | Adobe Photoshop PDF File |
| pdq | Patton & Patton Flow Charting FlowPDQ Document |
| pdt | InkWriter/Note Taker Template |
| pdw | Professional Draw Document |
| ProntoDoc for Word Conventional Document Template |
| pdwr | ProntoDoc for Word Conventional Document |
| pdx | Adobe Acrobat Catalog Index |
| pdz | ProntoDoc for Word Structured Text Document Template |
| peb | ProEST+ Buildings 2009 Document |
| pec | Brother Home Embroidery File |
| pen | Logitech io2 Drawing |
| pfb | OpenGL Performer Binary Data |
| pfe | Pipe Flow Expert Design Document |
| pff | Formatta Portable Form File |
| pfl | Family Lawyer Document |
| Lotus Freelance Graphics Portfolio Presentation |
| pfs | pfs:Write Text |
| pfsx | ELAN Document |
| pfx | PFS First Choice Word Processor Document |
| pg | C64 Printfox/Pagefox Document |
| pgml | Precision Graphics Markup Language Document |
| pgn | Picatinny Arsenal Electronic Formstore Form Data |
| pgs | DALiM LiTHO Vector Page |
| PageStream Document |
| ph | NewsRoom Document |
| phc | Brother Home Embroidery File |
| phv | Husqvarna Viking 3D Embroidery Design |
| piskel | Piskel Sprite |
| piz | Pizzicato Music Score |
| pj4 | Davka Writer Hebrew Document |
| pj5 | Davka Writer Document |
| Davka Writer Hebrew Document |
| pka | PointLineCAD 3D Keyframe Animation |
| pl | Interleaf WorldView Printerleaf Data |
| pl0 | 3D Home Architect Foundation Floor Plan |
| pl1 | 3D Home Architect Floor Plan |
| pl2 | 3D Home Architect Second Level Floor Plan |
| pla | ArchiCAD Project Archive |
| plain | Plain Text Document |
| plan | Calligra Plan Document |
| planner | Gnome Planner Document |
| plantuml | PlantUML Document |
| plb | Adobe Premiere 6 Library Data |
