The Explorer window that opens will show a folder named "Backup".Enter %APPDATA%\Apple Computer\MobileSync and press ⏎ Enter. Press ⊞ Win + R and the Run window should appear. Open the default Backup location in Explorer using the Windows Run command.? Manually changing the iTunes iOS backup folder on Windows This functionality is completely free in iPhone Backup Extractor, but if you'd like to change your folder manually without using it, we've included instructions below. Click the Change button to start the process of changing your iTunes default backup folder.The "Preferences" pane showing backup locations Select Backups from the Preferences window.Download and install iPhone Backup Extractor.The free version of iPhone Backup Extractor will automatically show you your computer's default iTunes backup location - and let you change it.
Please note that if the iTunes backup location is changed to a volume that is not available at all times, the iTunes backup process will fail when the new location is unavailable. This is an easily reversible change, so it is possible to restore the default backup location to its original directory. Simply put, this is done by replacing the iTunes backup folder with a symbolic link to the desired location.
It is possible to configure a computer such that iTunes backs up to a secondary hard-disk, or to an external HDD or NAS. Many users have large backups or backups from a number of iOS devices, and as a consequence they find themselves running low on disk space. The default iTunes backup location is set to the PC or Mac's primary disk, and in macOS 10.15, iOS backups as created by Finder are stored in the same place.