How to Recover a Missing OneNote Notebook from Microsoft 365 Online
Question details
The user needs to locate and recover a OneNote notebook that is inaccessible via Microsoft 365 or OneDrive online, despite being visible in local apps.
- Product
- Microsoft OneNote
- Device & OS
- not provided
- Scenario
- Attempting to access or sync a OneNote notebook across devices via Microsoft 365 online.
- Observed behavior
- The notebook appears in desktop and mobile apps but is missing online, its link returns an error, and local folders do not contain the notebook file.
Do not delete, close, or log out of the local OneNote app where the notebook is currently visible, as this might result in permanent data loss if the file hasn't synced successfully.
Search OneDrive and the Recycle Bin
Check all online directories and recovery folders in OneDrive to locate the misplaced notebook.
Often, a notebook might be accidentally moved to a different folder, deleted, or shared from another account. Thoroughly checking OneDrive via a web browser is the best first step.
Open a web browser, go to onedrive.com, and sign in with your Microsoft 365 account credentials.
Browse through the 'My files' section. Next, click 'Shared' on the left navigation panel to see if the notebook was shared with you by someone else.
Click on 'Recycle bin' in the left pane. If you find the missing notebook here, select it and click 'Restore' at the top of the page.
Verify OneNote Account and Sync Status
Ensure the app holding the cached notebook is signed into the correct Microsoft 365 account and force a manual sync.
Restore the Notebook from Local Backups
If the file is permanently missing online, extract it from the automatic backups generated by the OneNote desktop client.
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Frequently Asked Questions
Why does my OneNote notebook show an error when I click its web link?
This usually means the original notebook file was moved, renamed, or deleted from its original OneDrive location. It can also happen if you are currently logged into the web browser with a different Microsoft account than the one used to create the notebook.
Can I manually backup a notebook that isn't syncing to OneDrive?
Yes. If the notebook is visible in your desktop app but refuses to sync online, you can go to File > Export in the OneNote desktop client, select 'Notebook', choose 'OneNote Package (*.onepkg)', and save it safely to your local hard drive.
Where are local OneNote backups typically stored on Windows?
By default, the Windows desktop version of OneNote stores local backups in the directory: C:\Users\[Your Username]\AppData\Local\Microsoft\OneNote\[Version Number]\Backup. You may need to enable 'Hidden items' in File Explorer to see the AppData folder.
