| w05 | Yamaha SY Series Sample |
| w06 | Yamaha SY Series Sample |
| w07 | Yamaha SY Series Sample |
| w08 | Yamaha SY Series Sample |
| w09 | Yamaha SY Series Sample |
| w10 | Yamaha SY Series Sample |
| w11 | Yamaha SY Series Sample |
| w12 | Yamaha SY Series Sample |
| w13 | Yamaha SY Series Sample |
| w2e | Yamaha Motif ES Voice Editor Data |
| w2v | Yamaha Motif Voice Data |
| w3e | Yamaha Motif ES Voice Editor Data |
| w3v | Yamaha Motif Voice Data |
| w4ksnd | Wusik 4000 Instrument Data |
| w64 | Sony Wave64 Audio |
| w6e | Yamaha Motif ES Library Data |
| w7a | Yamaha Motif ES Audio Data |
| w7e | Yamaha Motif ES Library Data |
| w7p | Yamaha MO8 User Pattern Data |
| w7v | Yamaha Motif ES Voice Data |
| w8a | Yamaha Motif ES Audio Data |
| w8e | Yamaha Motif ES Library Data |
| w8v | Yamaha Motif ES Voice Data |
| w9e | Yamaha Motif ES Library Data |
| wa | WavArc Compressed Audio |
| wa0 | Magix Music Studio Data |
| waptt | WhatsApp Messenger Recorded Voicemail |
| wav | Broadcast Wave Format Audio |
| wav | Windows Waveform Sound |
| wave | Windows Waveform Sound |
| wax | Windows Media Audio Redirector |
| weba | WebM Audio |
| wem | Wwise Encoded Media |
| wfb | Turtle Beach Wavefront MIDI Bank |
| wfd | Turtle Beach Wavefront Drum Set |