| zw5 | EPLAN Project Backup |
| zw6 | EPLAN Parts Backup Data |
| zw7 | EPLAN Dictionaries Backup Data |
| zw8 | EPLAN Configuration Data Backup |
| zw9 | EPLAN Basic Project |
| zx | KGB ZX Spectrum Emulator Snapshot |
| zx82 | Speculator 97 Snapshot |
| zxc | Components Engine Database |
| zxe | ZX-Editor Second Edition Format Data |
| 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 |
| _vc | ViewChoice Data |
| ~cr | CardRecovery Temporary File |
| ~si | Powersim Studio Project Backup |
