| zone | ISC Bind Zone Data |
| zoommtg | Zoom Meetings Data |
| zor | Zortam Mp3 Media Studio Library |
| zot | Zoot Information Processor Database |
| zpa | Vielklang Audio Metadata |
| zpac | Marvelous Designer 3D Garment |
| zpc | ZappR Compiled Patch |
| zpic | Zoom Player Install Center Text Data |
| zpicd | Zoom Player Install Center Component Database Text |
| zpk | ShipRush Shipping Template |
| zpl | Zemax Programming Language Source Code |
| zpr | ZappR Patch |
| zprj | ArcSoft Print Creations Template |
| zpt | Zoner Photo Studio Template |
| zpx | MapOCX Pro Data |
| zrc | Rainlendar Compressed Resources File |
| zrd | Zemax Ray Database File |
| zre | ISOMAP Import Data |
| zri | RISC OS ROM Image |
| zrl | ZR FileWorks List |
| zs* | eXtendable Wad Editor ZS* Data |
| zs0 | ZSNES Save State |
| zs1 | ZSNES Save State |
| zs2 | ZSNES Save State |
| zs3 | ZSNES Save State |
| zs4 | ZSNES Save State |
| zs5 | ZSNES Save State |
| zs6 | ZSNES Save State |
| zs7 | ZSNES Save State |
| zs8 | ZSNES Save State |
