I was shocked to discover that the largest chunk of data on my MacBook's limited memory ($ 1,199 on Amazon.com) was iOS files. Needless iOS files, to be exact. I Unknowingly Saved iPhone ($ 1,000 at Cricket Wireless) Backups on my Mac for an iPhone and iPad ($ 363 at Amazon Marketplace) I no longer own. Time to make room (and as a result)!
On my MacBook Pro ($ 1
Finding and destroying old iOS backups
To see if you need valuable space on your Mac through iPhone or iPad backups, click the Apple button ] in the upper left and select About this Mac . Next, click the Storage tab to see a graph of the different categories of files that are taking up space on your Mac and how much free space is left.
If you see a large chunk called iOS files, you have some backups that you can move or delete. Click the Manage button, and then iOS Files in the left pane to display the local iOS backup files that you saved on your Mac.
If you no longer need them, highlight them and click the Delete button (and then Delete again to confirm your intention to permanently delete the file) , To move it to an external drive, click the Show in Finder button, and then drag it to your external drive.