| waa | eXtendable Wad Editor WAA Data |
| wab | Windows Address Book Data |
| waflib | Dental Wings Open System Data |
| waj | WinAutomation Job |
| wajac | Sesam GeniE Wave Load Input Data |
| wake | HEADTAIL Wakefield Repository Data |
| wal | CodeWallet Pro 3 Wallet |
| wal | WinAMP Skin |
| wallet | MultiBit Wallet File |
| walletx | Enpass Backup Data |
| wand | GarageBand Magic Template |
| was | Symantec Procomm Plus Script |
| wavm | eXtendable Wad Editor WAVM Data |
| wa_ | Compressed WAV File |
| wb4 | WindowBlinds 4 Default Skin |
| wba | WindowBlinds Skin |
| wbb | WinBackup Archive |
| wbc | Webshots Image Collection |
| wbcat | Windows Backup Catalog |
| wbd | eBeam Whiteboard |
| wbd | WinBreadboard Circuit |
| wbd | Softlink Whiteboard |
| wbdp | ANSYS Workbench DesignPoint Data |
| wbex | ANSYS Workbench Extension |
| wbf | TusiSoft Polyglot Dictionary Data |
| wbf1 | Nintendo Wii Loader Backup |
| wbl | OPM WAP Bookmarks Archive |
| wbl | Homemeeting Messenger Web Office Server List File |
| wbn | WBNM Flood Hydrograph Model Data |
| wbr | WriteOnline Wordbar Data |
