| filename extensions | art-335 |
| prs | |
| TechTarget file types | art-336 | PRS-Presentation-file-Harvard-Graphics-for-Windows |
| TechTarget file types | art-336 | PRS-Printer-resource-font-file-WordPerfect-for-Windows |
| TechTarget file types | art-336 | PRS-Procedure-file-dBase-IV |
| English | eng-000 | Harvard Graphics Presentation |
| English | eng-000 | Presentation file |
| English | eng-000 | Printer resource font file |
| English | eng-000 | Procedure file |