https://support.microsoft.com/en-us/office/resolve-the-0xe0000796-quota-exceeded-error-in-onenote-e83ac665-8ecf-4d74-b6bc-1585599e971e
Resolve the 0xE0000796 (Quota Exceeded) error in OneNote - Microsoft Support
Find out how to regain space or get more storage so you can fix the Quota Exceeded error (0xE0000796) in OneNote.
resolvequotaexceedederroronenote