Set up macOS folder backup
If you haven't already set up OneDrive on your computer, see Sync files with OneDrive in macOS.
If you are prompted to backup your important folders, (Desktop and Documents), select the prompt to start the folder backup wizard.
- Click the OneDrive cloud icon in your menu bar, click the three dots to open the menu, and select Preferences
- Go to the Backup tab
- Select Manage Backup
To start backing up a folder, select any folder that doesn't say Files backed up, and then select Start backup.
Access your backed up folders on any device
When your files finish syncing to Onedrive, theare backed up and you can access them from anywhere in Documents or Desktop. When you backup your Desktop folder, the items on your desktop roam with you to your other desktops where you are running OneDrive.