Question: how to create mpw file?
Answer: 1Find the built-in microphone, if your system has one, or attach a microphone to your computer. ... 
2Open Windows Sound Recorder by choosing Start→Programs→Accessories→Entertainment→Sound Recorder. ... 
3Record your message. ... 
4Click Play to hear your message. ... 
5Save the file as a WAV file. ... 
6Convert the file to MP3.