How to Fix OneNote Synchronization Problems in a SharePoint Library
Question details
The user needs to resolve unreliable synchronization of a OneNote notebook stored in a SharePoint library while maintaining version history.

- Product
- Microsoft SharePoint / OneNote
- Device & OS
- not provided
- Scenario
- Sharing the latest notebook content from a SharePoint library while ensuring robust background synchronization and version tracking.
- Observed behavior
- The OneNote notebook does not synchronize reliably, and sharing it from SharePoint fails to provide the latest updated version to other users.
Ensure you have Site Owner or Library Administrator permissions in SharePoint, as you will need to modify the document library's versioning and column settings.
Adjust SharePoint Library Versioning and Metadata Settings
Modifying versioning rules and removing required property constraints usually resolves interference with OneNote's background synchronization.
OneNote uses its own sync protocol that runs continuously in the background. When a SharePoint library enforces rules like 'Required check-out' or mandatory metadata columns, it pauses the file upload until a user manually intervenes, breaking the OneNote sync.
Navigate to the SharePoint document library where the OneNote notebook is stored. Click the gear icon in the top right corner and select 'Library settings'. If you see a sub-menu, click 'More library settings'.
Click on 'Versioning settings'. Ensure 'Document Version History' is set to 'Create major versions'. Scroll to the bottom and ensure 'Require documents to be checked out before they can be edited?' is set to 'No'. Click 'OK' to save.
Back on the main Library settings page, scroll down to the 'Columns' section. Look through the list for any columns that have a checkmark under the 'Required' header.
Click the name of any required column. In the column configuration page, find the option 'Require that this column contains information' and change it from 'Yes' to 'No'. Click 'OK' and repeat for all required columns.

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Frequently Asked Questions
Why does OneNote stop syncing when SharePoint check-out is required?
OneNote relies on continuous, automated background syncing. Forcing a manual check-in or check-out process interrupts this background task, effectively blocking the notebook from uploading or downloading new changes.
Can I still keep version history for my notebooks in SharePoint?
Yes. By explicitly enabling 'Create major versions' in the SharePoint library versioning settings, SharePoint safely maintains historical versions of the notebook without blocking the active synchronization process.
What should I do if my notebook still won't sync after changing library settings?
Try right-clicking the notebook within the OneNote desktop app and selecting 'Close This Notebook'. Then, return to the SharePoint library online, locate the notebook, and click 'Open in Desktop App' to force a fresh, unrestricted connection.




