iPhone and iPod Touch devices record voice memos as m4a files. m4a files are not much media friendly and you can’t play them directly on many media players. Of course, there are many media converters out there. Some of them does a great job and some of them are really terrible. If you don’t want to deal with 3rd party tools and such, there is a simple way you can make use of iTunes to convert those m4a files into mp3 files.
See how easy it is to use iTunes to convert m4a files into mp3 files.