You can perform incremental backup operations and synthetic full backup operations for Microsoft OneDrive for Business.
While browsing, OneNote files (.one, .onepkg, .onetoc) created and synced from the OneNote for Business website is backed up only in the OneNote folder.
From feature release 22, only the changes made to the notebooks after the last backup job will be backed up incrementally. To back up all the OneNote items, run a full backup operation. This will also cause all the OneDrive items to get backed up again.
You cannot back up a copy of a notebook file, an empty notebook, or an empty section group file.
You cannot perform backup operations for a China tenant.
From the navigation pane, go to Protect > Applications > Office 365.
The Office 365 apps page appears.
Click the OneDrive for Business app.
The app page appears.
On the User groups tab, select the user group that you want to back up, and then click Backup.
The Select backup level dialog box appears.
Under Backup level, select the type of backup that you want to perform, either Incremental or Synthetic full.
Optional: To view detailed information about the backup job, in the Monitoring section, click Jobs, and then click the job.