By default, Windows 7 hides the AppData folder to prevent accidental modification or deletion of critical system files. There are two primary methods to access the backup location.
Because the folder is hidden by default, you may not see it by simply browsing through your C: drive. Use these methods to access it instantly: Method 1: Use the "Run" Command (Fastest)
In the search bar at the bottom, type %appdata% and hit .
On Windows 7, iTunes does not save backups to the “Program Files” or the main iTunes folder. Instead, it stubbornly uses a hidden system folder. The exact default location is: