itunes 12.1 song into ringtone for iPhone I can't save segment of song as AAC in order to use as ringtone. Stuck at that stage. I am using iTunes 12.1.0.05. There seem to be solutions for earlier iTunes versions. I've edited song to be 30 seconds.
As Eric says, you need the file to be converted to .aac &amp; have the extension .m4r.

It also needs to be 40 seconds or less in length.

OK, you could pay 50 bucks to do that - or you could do it for free.

Use Audacity to cut to correct length &amp; export as .aac

Then drop the file onto MakeiPhoneRingtone to convert it for the phone.

Drop the result onto iTunes &amp; sync.