| 1. | .pt | Game crack (Player Tools) ◊ Kodak Precition Color Management System ◊ Sound (Pitch Track) |
| 2. | .pt3 | Device driver (Harvard Graphics 3.0) ◊ Template (PageMaker 3) |
| 3. | .pt4 | Template (PageMaker 4) |
| 4. | .pt5 | Template (PageMaker 5) |
| 5. | .ptb | Script (PubTech BatchWorks) ◊ Table file (Pro/Engineer) |
| 6. | .ptd | Table file (Pro/ENGINEER) |
| 7. | .pti | Graphics (PTI-Plugin) |
| 8. | .ptif | Bitmap graphics (Pyramid encoded TIFF) |
| 9. | .ptl | Petal (Rational Rose 98) ◊ Petal file (ASCII version of Microsoft Visual Modeler) |
| 10. | .ptm | Macro (PubTech BatchWorks) ◊ Music format (Polytracker) ◊ Template (Page Magic 2.0) |
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