| .wpm |
Warcraft 3 Path Map File |
| .wpg |
Ironsight Game Data File |
| .wdb |
Blizzard World of Warcraft Database File |
| .wsc |
Windows Script Component |
| .wpl |
Windows Media Player Playlist |
| .wal |
Winamp Modern Skin |
| .wagame |
Worms Armageddon Game Recording |
| .w3g |
Warcraft 3 Replay File |
| .w3z |
Warcraft 3 Saved Game File |
| .wtf |
World of Warcraft Text File |
| .wbt |
Toribash Help File |
| .wtd |
Grand Theft Auto IV Textures File |
| .wld |
Terraria World File |
| .world |
WorldPainter File |
| .wotreplay |
World of Tanks Replay File |
| .whirld |
Unity Whirld Package |
| .wam |
Worms Armageddon Mission File |
| .wu8 |
Wiimm U8 Mario Kart Wii Archive |
| .wowsreplay |
World of Warships Replay File |
| .wx |
Wanam Xposed Backup File |
| .wl6 |
Wolfenstein 3D Data File |
| .wmo |
World of Warcraft World Map Object |
| .wbfs |
Wii Backup File System File |
| .weap |
Quake 3 Engine Weapon File |