So how do you access this new feature?
Go into Voicemail on your device.
Tap the Voicemail you want to save and you will see a box with an upward arrow:
Once you tap the arrow it will show you the ways you can send or save your Voicemail:
If you want to save it to send to the computer or just have an audio file you can click the voice memos and it will save to the voice memo app.
Them connect your device to the computer and transfer to iTunes. From there you can edit file type or pull it out of iTunes and do as you wish.
This is a great day way to save messages for court or even messages from a loved one that is no longer with us.