A family of Microsoft products that enable users to capture, organize, and reuse notes electronically.
For OneNote on Windows, persistent sign-in hangs that block sync are typically handled by refreshing authentication, verifying the notebook opens in OneNote for the web, and then clearing stored Microsoft Office credentials if repeated sign-in prompts continue.
- In OneNote, click the sync error message near the top of the app window.
- This refreshes the session.
- If prompted, sign in with the same account that the notebook is associated with.
- Verify the account is correct.
- Use the same Microsoft account or work/school account that owns the notebook.
- If the password was changed recently, sign in again with the updated password.
- Test the notebook in OneNote for the web.
- Go to https://www.onenote.com and sign in with the same account.
- If the notebook opens there, close the OneNote app.
- Then go to https://www.onedrive.com, sign in with the same account, open the notebook in the browser, and select Open In OneNote.
- If prompted, sign in again in the desktop app.
- If the issue is repeated sign-in prompts on Windows, clear stored credentials.
- Close OneNote and any open browser windows.
- Open Start > Settings.
- Search for Credential Manager and open it.
- Select Windows Credentials.
- Remove entries whose labels begin with MicrosoftAccount and MicrosoftOffice.
- Restart the device.
- Open OneNote and sign in again.
- If the notebook still does not show the latest content, check whether the notebook itself has the newest changes in the service.
- In the OneNote desktop app, select File.
- On the Info tab, copy the notebook URL shown below the notebook name.
- Paste that URL into a browser and open it.
- If the browser version does not show the latest changes, the device where those edits were made may not have completed syncing.
- If this affects desktop Microsoft apps more broadly, check Windows Update for KB5085516, which was released to address a Microsoft account sign-in issue in some apps caused by KB5079473.
Important: while troubleshooting sync issues, signing out of OneNote, removing the app, or reinstalling it can result in data loss if recent notes have not synced yet.
References:
- "Account Error - Action Required" message in OneNote for Android | Microsoft Support
- [Web](https://support.microsoft.com/onenote/onenote-help-and-learning/fix-issues-when-you-can-t-sync-onenote#notebooks-not-syncing)
- [Windows](https://support.microsoft.com/onenote/onenote-help-and-learning/fix-issues-when-you-can-t-sync-onenote#notes-won't-sync)
- Connection Error While Attempting to Sign Into Desktop Microsoft Applications - Microsoft Q&A