It’s important to back up your iPhone in case the worst happens and it breaks. However, those backup files can take up a lot of space on your computer. For those times when you need to delete data on your computer and make room for something else, it’s helpful to know how to delete an iPhone backup , as well as what to do with iCloud backups.
It’s easy enough to manually delete your old iPhone backups, provided you know where to look. Here’s what to do.
Click iTunes > Preferences.
Click on the name of the backup you want to delete.