How to do backups

You can backup your PC folders, including documents, images, music, and other important files with OneDrive. This helps protecting your data and allows you to easily access it on other devices as well.

To set up OneDrive backup for PC folders, follow these steps:

1. Click the blue cloud icon in the Windows notification area to access OneDrive.
   
   
   
   
2. Click Help & Settings then Settings.
   
   
   
   
3. Select Backup tab then click Manage backup.
   
   
   
   
4. Choose the folder/s you want to want to back up then click Start backup.
   
   

Sources:

Back up your Documents, Pictures, and Desktop folders with OneDrive

OneDrive Backup: How It Works, Benefits, Limitations and More