| Extension |
File Type |
File Description |
| .z | Compressed | Unix Compressed File |
| .z01 | Compressed | WinZip First Split Zip File |
| .z02 | Compressed | WinZip Second Split Zip File |
| .z03 | Compressed | WinZip Third Split Zip File |
| .z04 | Compressed | WinZip Fourth Split Zip File |
| .z1 | Misc | ZoneAlarm Renamed VB File |
| .z2f | Game | Zoo Tycoon 2 Object File |
| .z64 | Game | Nintendo 64 Game ROM |
| .zap | Settings | Software Installation Settings |
| .zap | Data | ZoneAlarm Pro Data File |
| .zap | Compressed | FileWrangler Archive |
| .zdb | Data | Quicken Online File |
| .zdb | Data | EPSQ Database |
| .zdc | Data | CD Catalog Expert Database File |
| .zdl | Page Layout | Avery DesignPro Label File |
| .zdp | Page Layout | Avery DesignPro Label File |
| .zds | Game | GZDoom Save File |
| .zfo | Web | XSL-FO Online Form |
| .zfsendtotarget | Compressed | Compressed Folder |
| .zfx | Page Layout | ZipForm File |
| .zgm | Vector Image | Zenographics Image File |
| .zhtml | Web | Secure IE Zipped HTML File |
| .zi | Compressed | Renamed Zip File |
| .zif | Raster Image | Zooming Image Format File |
| .zip | Compressed | Zipped File |
| .zipx | Compressed | Extended Zip File |
| .zix | Data | Quicken Online File |
| .zix | Compressed | WinZix Compressed File |
| .zl | Compressed | Zlib Compressed File |
| .zl9 | Executable | ZoneAlarm Quarantined EXE File |
| .zm1 | Misc | ZoneAlarm Renamed MDA File |
| .zm1 | Video | ZSNES Movie #1 File |
| .zm2 | Misc | ZoneAlarm Renamed MDZ File |
| .zm2 | Video | ZSNES Movie #2 File |
| .zm3 | Video | ZSNES Movie #3 File |
| .zm3 | Misc | ZoneAlarm Renamed NCH File |
| .zm9 | Misc | ZoneAlarm MailSafe Renamed Zip File |
| .zmap | Game | Zombies Ate My Neighbors Map File |
| .zmc | Data | ZoneAlarm Quarantine File |
| .zml | Misc | Zooming Markup Language File |
| .zmv | Video | ZSNES Movie File |
| .zno | Page Layout | Zinio Electronic Magazine File |
| .zon | Settings | Collection Building Custom Zone File |
| .zoo | Game | Zoo Tycoon Saved Game |
| .zoo | Compressed | Zoo Compressed File |
| .zpi | Compressed | Zipped File |
| .zpi | Settings | PDF Converter Index File |
| .zpl | Data | Zoom Player Play List |
| .zs0 | Game | ZSNES Slot 0 Save State File |
| .zs1 | Game | ZSNES Slot 1 Save State File |
| .zs2 | Game | ZSNES Slot 2 Save State File |
| .zs3 | Game | ZSNES Slot 3 Save State File |
| .zs4 | Game | ZSNES Slot 4 Save State File |
| .zs5 | Game | ZSNES Slot 5 Save State File |
| .zs6 | Game | ZSNES Slot 6 Save State File |
| .zs7 | Game | ZSNES Slot 7 Save State File |
| .zs8 | Game | ZSNES Slot 8 Save State File |
| .zs9 | Game | ZSNES Slot 8 Save State File |
| .zsd | Game | Dave Mirra Freestyle BMX Data File |
| .zst | Game | ZSNES Save File |
| .zt | 3D Image | Mental Ray Image Depth File |
| .ztd | Game | Zoo Tycoon Data Archive |
| .ztf | Misc | DVD Label Template File |
| .ztmp | Game | Steam Compressed Game Resource File |
| .ztr | Misc | DVD Label Template Media File |
| .zul | Web | ZK User Interface File |
| .zvd | Audio | ZyXEL Voice File |
| .zvr | Audio | SAFA Media Audio File |
| .zvz | Web | Possible Virus File |
| .zw | Text | Chinese Text File |
| .zxp | Plugin | Extension Manager Package |
| .zz | Compressed | Zzip Compressed Archive |
| .zzz | Game | Black & White Game Data File |
