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Deleted File Recovery

How to Recover Deleted OneNote Notes on a Mac

Maira MehtabMaira Mehtab Sep 28, 2026 869 views

Question details

The user needs to recover OneNote pages or sections that disappeared after the application closed unexpectedly on a MacBook.

Product
Microsoft OneNote
Device & OS
Mac
Scenario
OneNote closed unexpectedly on a MacBook, resulting in important notes disappearing from the application.
Observed behavior
Missing or deleted notes, pages, and sections within the OneNote notebook on the Mac after an unexpected app crash.
Before you start

Ensure your Mac has an active and stable internet connection so you can reliably access OneDrive and OneNote Online for cloud-based recovery options.

Solution 1Recommended

Check Deleted Notes in OneNote Online

The fastest way to recover missing pages is to check the web version of OneNote, which maintains a recycle bin for deleted notes.

When notes disappear from the local Mac application, they might still be recoverable from the cloud recycle bin. OneNote Online stores deleted items for a limited time.

1
Log into OneNote Online

Open your preferred web browser, go to the official OneNote website, and sign in with your Microsoft account.

2
Open the Notebook

Locate and open the specific notebook where your notes went missing.

3
Access Deleted Notes

Click on the 'View' tab in the top ribbon and select 'Deleted Notes'.

4
Restore the Pages

Right-click on the missing page or section you want to recover, select 'Restore', and choose the destination section to move it back to your active notebook.

Retention Period: By default, OneNote keeps deleted items in the Deleted Notes section for 60 days before they are permanently erased.
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If you frequently experience unexpected crashes and lost data with Microsoft Office apps on your Mac, consider switching to WPS Office. It provides a lightweight, highly stable environment for all your document needs, while being completely compatible with standard Office formats.

  1. 1. Download the Installer: Visit the official WPS Office website and click the free download button for Mac.
  2. 2. Install on Mac: Open the downloaded .dmg file and drag the WPS Office icon to your Applications folder.
  3. 3. Enable Cloud Backup: Sign in to your WPS account and enable cloud syncing to ensure your documents are safely backed up automatically as you work.
Free, lightweight, and fast-loading on Mac OSFully compatible with Microsoft Office formats (DOCX, XLSX, PPTX)Built-in auto-save and seamless cloud sync to prevent data lossFamiliar, tabbed interface making migration effortless
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Frequently Asked Questions

How long do deleted notes stay in the OneNote recycle bin?

By default, OneNote retains deleted pages and sections in the 'Deleted Notes' section for 60 days. After this period, they are permanently erased and cannot be recovered through the recycle bin.

Why did my OneNote notes disappear after an app crash on my Mac?

Unexpected crashes can prevent OneNote from syncing your most recent, locally cached changes to the cloud. If the local cache file gets corrupted during the crash, those unsynced notes may disappear when you reopen the app.

Can I recover unsynced OneNote pages on Mac?

Unsynced pages are difficult to recover because they never made it to OneDrive. Your best option in this scenario is checking if a Mac Time Machine backup successfully captured the local OneNote cache files right before the application crashed.

What should I do if none of the standard recovery methods work?

If checking OneNote Online, OneDrive Restore, and Time Machine all fail, you can try contacting Microsoft OneDrive support for further assistance or consult a professional data-recovery service to see if the local cache can be salvaged.