"This notebook is in read-only mode because it is broken. A backup has been created. To continue editing, please copy the content into a new notebook and close this one"

stan cardwell 0 Reputation points
2026-07-17T18:41:32.21+00:00

cannot delete or move a broken OneNote section. so I'm stuck?

attempting to move and get (wish I could copy full statement but Microsoft won't allow it) something like "the section hasn't finished downloading .. ."

FRUSTRATING - I can't delete $hitty (corrupted) content.

PLEASE tell me how to delete corrupted OneNote pages and sections.

Microsoft 365 and Office | OneNote | Other | Windows
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  1. Lucus-V 12,535 Reputation points Microsoft External Staff Moderator
    2026-07-19T16:20:29.9566667+00:00

    Hi stan cardwell,

    When OneNote detects that a notebook section is damaged or in an inconsistent state, it may place the section in read-only mode and create a backup to prevent further data loss.

    Recommended troubleshooting steps:

    1. Check the notebook in OneNote for the web
      • Open the notebook directly in OneNote Online.
      • If the section is accessible there, the issue is likely related to the local OneNote cache.
      • If the issue is present online as well, the notebook data may be corrupted.
    2. Recover content from the backup
      • Copy any accessible pages from the affected section into a new section or notebook.
      • Verify that all required content has been recovered before removing the damaged section.
    3. Force a sync
      • Right-click the notebook and select Sync This Notebook Now.
      • Review any sync errors and ensure the notebook completes synchronization.
    4. Refresh the local cache
      • Close OneNote completely.
      • Reopen the notebook from its OneDrive or SharePoint location to download a fresh copy.
      • If necessary, clear the local OneNote cache and allow the notebook to resynchronize.
    5. Remove and reconnect the notebook
      • Close the notebook in OneNote.
      • Reopen it directly from OneDrive or SharePoint.
      • Allow synchronization to complete before attempting to move, rename, or delete sections.

    If the issue persists, please provide:

    • OneNote version (OneNote for Windows, OneNote desktop, or OneNote on the web)
    • Storage location (OneDrive, SharePoint, Teams, or local device)
    • Whether the issue affects a single section or the entire notebook

    This information will help determine whether the root cause is related to synchronization, cache corruption, or notebook data corruption.

    Was this answer helpful?

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