A family of Microsoft products that enable users to capture, organize, and reuse notes electronically.
Hi Anna,
For us to provide a resolution for your query, kindly answer the questions below:
• Which version of OneNote are you using?
To check on it, open OneNote > about OneNote.
• Are you using personal OneDrive or OneDrive for Business?
• Can you send us the exact error message so that we can provide an appropriate resolution for it?
Note: Any unsynchronized data will be lost once you close the notebook. Back up your work before closing it.
Get back to us with the required information by replying on this post.