Warning: Completing this procedure will remove OneNote and all of your user data and notebook content from your Mac. This cannot be undone, even if you reinstall OneNote in the future. If you’ve recently worked in any shared notebooks, consider manually syncing these notebooks before removing OneNote. If you are the owner of any shared notebooks, consider giving full ownership permission to another author. To back up important notes, consider saving them as PDF files before proceeding.
When you’re ready to remove OneNote from your Mac, do the following:
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From the Finder, Click the Applications folder on your Mac’s hard drive, and then drag the Microsoft OneNote app to the Trash.
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On the desktop, drag the Microsoft OneNote icon from the Dock to the Trash. (Skip this step if the icon isn’t docked.)
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From the Library > Containers folder on your Mac’s hard drive, drag all files and subfolders that begin with “com.microsoft.onenote” to the Trash.
Note: To make the Library folder visible, open a Finder window, and then click Go on the menu bar. When the Go menu is open, press and hold the Option key to display the Library folder in the Go menu. Click Library. In the list of Library folders, double-click the Containers folder to open it.
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Restart your Mac.
