Clear up space by deleting data you no longer need
It's important to back up your iPhone in case the worst happens and it fails. 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 some space for something else, it's useful to know how to delete an iPhone backup, as well as what to do when it comes to iCloud backups.
iTunes is being phased out by Apple and replaced by individual apps for specific services. This method relates to Mac systems using Mojave and earlier, as well as Windows computers with iTunes still installed.
How to Delete iPhone Backup on Mac and Windows Using iTunes
It's simple enough to delete your old iPhone backups manually, provided you know where to look. Here's what to do.