| Abbreviation | Definition |
|---|---|
| PZP | Pizazz Plus Palette |
| PZS | Pizazz Plus Settings |
| PZT | Pizazz Plus Transfer file |
| PZX | Pizazz Plus Swap file |
| PZZ | Poser files |
| Q | Win95 fax queue |
| Q0 | Japanese Q0 image format 24bit Bitmap graphics |
| QAD | PF QuickArt Document |
| QAG | Norton Desktop Quick Access Group |
| QAP | Omnis Quartz Application file |
| QBB | Intuit QuickBooks Backup file |
| QBD | Problem (Questionable) -Bank Directory |
| QBE | Saved query (Query By Example) (dBASE IV - Quattro Pro) |
| QBO | dBASE IV Compiled Query Object code |
| QBW | QuickBooks Workbook files (spreadsheet) |
| QCP | Digitally encoded voice (Qualcomm QCELP recoder and player) |
| QD0 | Data file - segment 10 (Omnis Quartz) |
| QD1 | Data file - segment 1 (Omnis Quartz) |
| QD2 | Data file - segment 2 (Omnis Quartz) |
| QD3 | Data file - segment 3 (Omnis Quartz) |