How do I Access iTunes not on startup disk?

Hey Chistoso,

If I understand correctly, you want to access an iTunes Library that is not on the startup disk. Are you using Apple Music? If you have another library on another disk, you can Open iTunes while holding the option key to choose a different library.itl file for iTunes to use.

About iTunes library files

Move your iTunes library to another computer

Thank you for using Apple Support Communities. Have a good one.

Press and hold down option as you launch iTunes. Keep holding until prompted to choose or create a library. See Make a split library portable - Apple Community for further background.

tt2