![iTunes: Back up your iTunes library by copying to an external hard drive – Support @Blake (Information Support Support Services) iTunes: Back up your iTunes library by copying to an external hard drive – Support @Blake (Information Support Support Services)](http://km.support.apple.com/library/APPLE/APPLECARE_ALLGEOS/HT1751/en_US/HT1751-iTunes11-adv_prefs_media_folder-002-en.png)
iTunes: Back up your iTunes library by copying to an external hard drive – Support @Blake (Information Support Support Services)
![iTunes: Back up your iTunes library by copying to an external hard drive – Support @Blake (Information Support Support Services) iTunes: Back up your iTunes library by copying to an external hard drive – Support @Blake (Information Support Support Services)](http://km.support.apple.com/library/APPLE/APPLECARE_ALLGEOS/HT1751/en_US/HT1751-iTunes11-adv_prefs_copy_files-002-en.png)
iTunes: Back up your iTunes library by copying to an external hard drive – Support @Blake (Information Support Support Services)
![How to free up your Mac's internal storage by moving your iTunes Library to an external drive | AppleInsider How to free up your Mac's internal storage by moving your iTunes Library to an external drive | AppleInsider](https://photos5.appleinsider.com/gallery/25033-33420-moveitunestoexternaldrive00013-l.jpg)