| zs9 | ZSNES Save State |
| zsav | IBM SPSS Compressed Statistics |
| zscmp | zsCompare Session Data |
| zsg | Gens Compressed Sega Genesys ROM |
| zsig | Regina Signature List |
| zsk | Zoner Media Explorer Skin |
| zsl | ZBrush Saved Spotlight |
| zsp | WinView/400 Compressed Report Data |
| zsq | Luxmate iZSQ Sequence Data |
| zsr | Form Z Temporary Save Data |
| zst | ZSNES Save State File |
| zsu | IBIS-TRAD RAW Data |
| zsv | ZSentry Secure Vault |
| zsx | IBIS-TRAD RAW Data |
| zt6 | ZIPGenius Data |
| ztb | EmTec ZOC Data |
| ztg | Zemax Table Glass Data |
| zth | DivX Connected Theme |
| ztm | ZTreeWin Macro |
| ztp | Keytek ZapMaster Device Test Plan |
| ztt | z-Tree Treatment Data |
| ztx | Z-Axis: The Next Generation Data |
| zvpl | Visual Paradigm License |
| 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 |
| zw6 | EPLAN Parts Backup Data |
| zw7 | EPLAN Dictionaries Backup Data |
| zw8 | EPLAN Configuration Data Backup |
| zw9 | EPLAN Basic Project |
| zwb | Zamurai Mobile Whiteboard Data |
| zwdf | VooPoo Firmware Update Data |
| zwdsp | eXtendable Wad Editor ZWDSP Data |
| zwe | MotionWorks IEC Express Project Archive |
| zwo | Zwift Cycling Workouts Data |
| zx | KGB ZX Spectrum Emulator Snapshot |
| zx82 | Speculator 97 Snapshot |
| zxb | ZX-Blockeditor Metafile |
| zxc | Components Engine Database |
| zxe | ZX-Editor Second Edition Format Data |
| zxl | Immersioni Dive Logbook Data |
| zxs | ZX Spectrum Emulator ZXS Snapshot |
| zxt | Warajevo Tape Image |
| zxu | Immersioni Dive Logbook DL7 Data |
| zxx | BlueZone Session Data |
| zyp | Reason Subtractor Synth Instrument Patch |
| zys | Business Integrator Database |
| zzd | ISIS Detailed Convergence Data |
| zzj | ISIS Outputs Matrix Coefficients Data |
| zzo | ISIS Control Unit Data |
| zzr | ZoneAlarm MailSafe Renamed File |
| zzs | Flood Modeller State Data |
| ISIS Initial Conditions Data |
| MultiView Script |
| zzt | ISIS Unit Data Store |
| zzx | ISIS Results Data |
| zzz | WRAP Priority Sequence Stream Flow Availability Data |
| ^^^ | Pervasive.SQL Database |
| _14 | Altair FEKO Temporary Storage Data |
| _15 | Altair FEKO Temporary Storage Data |
| _16 | Altair FEKO Temporary Storage Data |
| _20 | Altair FEKO Temporary Storage Data |
| _21 | Altair FEKO Temporary Storage Data |
| _dd | Norton Utilities Disk Doctor Repair Data |
| _docm | Microsoft Word 2007 Auto-backup File |
| _docx | Microsoft Word 2007 Auto-backup File |
| _gs | Roboform GoodSync Data |
| _h | Adobe Type Manager Japanese Font Outline |
| _mp | InstallShield Temporary Installer File |
| _pd | Creo CADDS Data |
| _rs | RVS-COM Service Pack |
| _v | Adobe Type Manager Japanese Font Metrics Data |
| _vc | ViewChoice Data |
| _za | CleverZip Temporary File |
| __a | File Splitter & Joiner Encrypted File |
| __b | File Splitter & Joiner Encrypted Archive |
| {pb | Corel WordPerfect Document Index |
