Applies ToOneNote for Microsoft 365 OneNote for Microsoft 365 for Mac OneNote for the web
  1. Select the File menu and choose Options.

  2. On the Save & Backup tab, select Backup Folder.

  • To change where a backup is stored, select Modify.

  • To choose a time interval, select or clear Automatically back up my notebook...

  • To manually back up, select Back Up Changed Files Now, or Back Up All Notebooks Now.

Tip: Optionally, under Optimizing files, set the amount of space files use and how often they're optimized. 

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