| filename extensions | art-335 |
| zpl | |
| TechTarget file types | art-336 | ZPL-ZEMAX-programming-language-file |
| TechTarget file types | art-336 | ZPL-ZIG-file |
| TechTarget file types | art-336 | ZPL-Zimpl-program-file |
| TechTarget file types | art-336 | ZPL-ZoneAlarm-Mailsafe-file |
| TechTarget file types | art-336 | ZPL-Zoom-Player-play-list |
| English | eng-000 | ZEMAX programming language file |
| English | eng-000 | ZIG file |
| English | eng-000 | Zimpl program file |
| English | eng-000 | ZoneAlarm Mailsafe file |
| English | eng-000 | Zoom Player play list |
| English | eng-000 | Zune Playlist |