| 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 |
| zs9 | ZSNES Save State |
| zsig | Regina Signature List |
| zsk | Zoner Media Explorer Skin |
| zsl | ZBrush Saved Spotlight |
| zsq | Luxmate iZSQ Sequence Data |
| zst | ZSNES Save State File |
| zsv | ZSentry Secure Vault |
| ztg | Zemax Table Glass Data |
| zth | DivX Connected Theme |
| zvx | R&S VNA Setup Data |
| zw1 | EPLAN Project Backup |
| zw2 | EPLAN Project Backup |
| zw3 | EPLAN Project Backup |
| zw4 | EPLAN Project Backup |
| zw5 | EPLAN Project Backup |
| zw9 | EPLAN Basic Project |
| zx | KGB ZX Spectrum Emulator Snapshot |
| zx82 | Speculator 97 Snapshot |
| zxc | Components Engine Database |
| zxl | Immersioni Dive Logbook Data |
| zxs | ZX Spectrum Emulator ZXS Snapshot |
| zys | Business Integrator Database |
| zzr | ZoneAlarm MailSafe Renamed File |
| zzs | MultiView Script |
| zzx | ISIS Results Data |
| ~cr | CardRecovery Temporary File |
| ~si | Powersim Studio Project Backup |
