| vpk | Sony PS Vita Application Package |
| vrb | Veeam Reversed Incremental Backup Archive |
| vrpackage | SimLab Composer VR Package |
| vsa | SWV Virtual Solution Archive |
| vsi | Visual Studio Content Installer File |
| vu3 | Ranch RenderFarm Project Archive |
| vub | RANCHecker Project Archive |
| waff | Internet Explorer for Mac Web Archive |
| wapt | WAPT Package |
| war | Java Web Archive |
| Konqueror Archived HTML Page |
| warc | Web ARChive File |
| wastickers | Sticker Maker Sticker Package |
| wat | Web Archive Transformation File |
| waz | Web Archive ZIP |
| wbpz | ANSYS Workbench Project Archive |
| wbu | Samsung PC Studio Backup Data |
| wdz | WinDev Zip Archive |
| webarchivexml | Android Web Browser Archive |
| webpnp | Web Point-and-Print Cabinet |
| wfz | Amazfit Watch Face |
| wgz | S60 Web Runtime Widget Package |
| whb | CopyTrans iPod Backup Image |
| winuha | UHarc Archive |
| wlz | WinAMP Language Pack |
| wmb2 | Static Windows Mail Backup Archive |
| wna | Whitenoise Archive |
| wpb | Windows Phone Device Manager Backup |
| wpk | GuinXell Package |
| wpress | All-in-One WP Migration Archive |
| wr3 | WRaptor Compressed Archive |
| wra | WRaptor Compressed Archive |
| wrc | FreeArc Archive File |
| wsp | Microsoft SharePoint Solution Package |
| wx | Wanam Xposed Backup File |
| wxapkg | WeChat Applet Package |
| wxz | wxWidgets Zipped Package |
| wza | Encryption Wizard Archive |
| wzd | Encryption Wizard Encrypted Individual File |
| wzp | AMP1-16 Update Archive |
| x | Alysis SuperDisk Self-extracting Archive |
| x1z | X1 Search Saved Search Archive |
| xam | Xamarin Package |
| xapk | Compressed Android Package |
| xar | Extensible Archive Format Data |
| xbw | XBW Compressed Data |
| xcp | Xbox Compressed Package |
| xdc | DarkCryptTC XDC Encrypted Container |
| xef | WinAce Encrypted Archive |
| xip | Signed Extensible Archive Format Data |
| xla | Xlib Graphics Library Archive |
| xms | Amiga XMash Disk Archive |
| xpa | Akai MPC Software Project Archive |
| xpak | XLN Audio Package |
| xpi | Mozilla XPInstall Package |
| xpku | Mac OS X Universal Binary Package |
| xpr | XBMC Skin Archive |
| xrec | xRecovery Data |
| xsa | XelaSoft Archive |
| xsoem | XenServer OEM Update Archive |
| xsupdate | XenServer Update Archive |
| xz | XZ Compressed File |
| xzm | Porteus Module |
| yar | YAK Compressed Archive |
| yaz0 | YAZ0 Compressed Archive |
| ybs | YBS Compressed Archive |
| yc | YAC Compressed |
| yep | Yamaha Expansion Pack |
| yymp | GameMaker Studio 2 Package |
| yymps | GameMaker Studio 2.3 Package |
| yz | YAC Compressed |
| yz1 | DeepFreezer Archive |
| z | Compressed File |
| z00 | InfoZIP ZipSplit Splitted ZIP Archive |
| z01 | InfoZIP ZipSplit Splitted ZIP Archive |
| WinZip First Split Zip |
| z02 | InfoZIP ZipSplit Splitted ZIP Archive |
| WinZip First Split Zip |
| z03 | InfoZIP ZipSplit Splitted ZIP Archive |
| WinZip First Split Zip |
