How to Fix OneNote Notebook Opening on Phone but Not on PC or OneDrive
Question details
The user needs to recover or sync a OneNote notebook that is accessible on an Android phone but cannot be opened on a PC or via OneDrive web.

- Product
- Microsoft OneNote and OneDrive
- Device & OS
- Android, Windows/Mac PC
- Scenario
- Accessing and syncing OneNote notebooks across mobile and desktop devices using OneDrive.
- Observed behavior
- The notebook successfully opens on the Android phone due to a local cache, but accessing it on a PC, Chrome, or OneDrive returns 'itemNotFound' or permission errors.
Immediately put your Android phone in Airplane Mode to prevent the local OneNote cache from attempting a sync that could overwrite or delete your accessible notes.
Secure the Local Phone Cache and Re-upload
Since the notebook is still accessible on your phone, back up the local data manually before attempting any cloud recovery, ensuring you do not lose your notes.
If a notebook opens on your phone but is missing from OneDrive, the phone app is likely reading from an offline local cache. Do not log out, clear app data, or uninstall OneNote, as this will permanently delete the local cache.
Turn off Wi-Fi and mobile data on your Android phone to stop OneNote from syncing and potentially erasing your locally cached notebook.
Open the cached notebook on your phone. Use the 'Share' feature to export pages as PDFs, or manually copy and paste the text into another offline note-taking app.
Go to your PC, open OneDrive or OneNote on the web, and create a brand-new notebook. Ensure it is saving properly to your OneDrive account.
Transfer your saved PDFs or copied text from your phone back to your PC, and paste the contents into the newly created OneNote notebook.

Check Recycle Bins and Misplaced Sections
Use built-in OneDrive and OneNote recovery tools to locate the missing notebook file if it was accidentally moved or deleted.
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Frequently Asked Questions
Why does OneDrive show an 'itemNotFound' error for my OneNote notebook?
This happens when the cloud version of the file has been moved, renamed, deleted, or its permissions have changed. Even if your phone has an offline copy cached, the server-side link pointing to the file is broken.
Will clearing the OneNote app cache fix the sync error?
No. Clearing the app cache or app data on your phone will permanently delete the local offline copy of your notebook. You should always manually back up the notes from your phone first.
How do I recover a OneNote file that is completely missing from OneDrive?
You can log into the OneDrive web interface and check the Recycle Bin. If it's not there, you can use the 'Restore your OneDrive' feature in the settings to roll your entire OneDrive back to a previous date, which may recover the missing notebook.




