Hmm maybe im not clear on what im trying to do....
What i want to do is to unload my iPhone, from VoiceMemos that take up space. Of course i dont want just to delete them, i wish to store them on my hard drive.
I think I found some sort of utility to help move them out of the corresponding syncing folders on my Mac to a conventional storage folder. That was a few years ago though, and I haven't bothered since then. I will look for my notes!