OneNote - Clear Cache
Clearing OneNote's cache can correct a number of issues.
Here is how to clear the cache:
- Make sure notes are all synced before moving forward or data may be lost.
- In OneNote, click File, then Sync Status
- Close OneNote completely
- Open Run and enter %localappdata%\Microsoft\OneNote
- Press Windows + R key or open the start menu and search Run
- Open the folder for your OneNote version (like 16.0), locate the Cache folder and delete it