If you can’t stop syncing a folder in OneDrive, you may see an error such as this: “The folder you tried to unselect is the Windows Document folder, which is an important folder in Windows and is currently pointed to OneDrive.” In this OneDrive training video, we’ll show you how to resolve the problem by switching off the backup.
Resources
Download OneDrive:
https://www.microsoft.com/en-us/microsoft-365/onedrive/download