The location on Windows varies based on whether you downloaded iTunes from the Microsoft Store or directly from Apple's website.

Here is how to find your iTunes backup location on both Windows and macOS.

(Note: You must have "Show hidden items" enabled in the "View" tab of File Explorer to see the AppData folder.)

If you have ever tried to free up space on your hard drive or attempted to manually retrieve a file from an old iPhone backup, you have likely asked the question: Where exactly does iTunes hide these backup files?