Delete Notebook In Onenote For Mac. You can uninstall OneNote from your Windows PC through your computer Settings. You can also remove existing notebooks from the list.
Each folder represents a OneNote notebook thats stored on your computer. You have to right-click on it and choose Delete option 5. Here a folder with cache name is there.
Open the notebook where you lost recent notes.
OneNote will ask where to restore your notes. In the Deleted Notes view Control-click the tab of the page or section that you want to permanently delete. In the Open Backup dialog box note the folder names that appear. Enter LibraryContainers and press Go Return key.