Ultimate Guide to Recovering Lost Files in OneNote: All the Solutions

Last update: 30/04/2025
Author Isaac
  • Master all the file recovery options in OneNote and OneDrive.
  • Learn how to take advantage of automatic and manual backups.
  • Learn how to use specialized software in case of irreversible loss.

Recover lost files in OneNote

Losing an important OneNote note can cause real headaches., especially if it's an academic project, a professional document, or a file containing valuable personal information. Today, OneNote is one of the preferred note managers for individuals and businesses thanks to its versatility, cross-platform reach, and advanced synchronization and backup options. However, even the best software isn't immune to human error, system crashes, synchronization failures, or digital accidents that can result in the unexpected disappearance of files.

Can lost files in OneNote really be recovered? The answer is yes. The truth is, there are several methods to recover notes, notebooks, sections, or pages that you've accidentally deleted or that have been lost due to a malfunction. In this article, you'll discover all the possible alternatives for restoring your data, integrating absolutely all the solutions and tips currently available. Here's a comprehensive, easy-to-understand, and rigorous guide to ensure you don't lose any valuable notes.

Top reasons for data loss in OneNote

The reasons why files in OneNote disappear can be very varied. and it is essential to identify them in order to know the best path to recovery.

  • Accidental deletion: This is the most common reason. Accidentally deleting a section, a page, or an entire note can happen to anyone.
  • Synchronization errors: If you use OneDrive to store your notes, any failure in the sync process can result in loss, especially when working from multiple devices.
  • Problems with the hard drive or storage unit storage: A physical failure, unwanted formatting, or partition corruption can also cause OneNote files to disappear locally.
  • Malware or cyberattacks: Like any other type of document, OneNote notes can be affected by viruses that delete, hide, or damage data.
  • Unexpected program closure or power outage: If your computer suddenly shuts down, your notes may not have been saved correctly.

Knowing the origin will make recovery much easier, since depending on the cause, some strategies will be more effective than others.

Where are notes stored and how are they managed in OneNote?

OneNote allows you to save notes locally (on your device) or to the cloud using OneDriveAdditionally, the application features auto-synchronization and automatic backup mechanisms that work in your favor when you need to recover information.

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In OneNote for WindowsBy default, files are usually saved in the path C:\Users\your_user\Documents\OneNoteNotebooks\, but you may also have placed them in other folders, OneDrive or even SharePoint if you use a business account.

How to Restore Lost Files in OneNote

The structure of OneNote is made up of notebooks that contain sections and pages.It's important to know at what level the loss occurred: did you delete a page, a section, or the entire blog?

Recover deleted files from the OneNote Recycle Bin

Most of the time, when you delete something in OneNote it is not permanently deleted, but instead goes to the notebook's recycle bin.From there, they can be easily restored if it hasn't been more than 60 days (which is the maximum period OneNote keeps deleted content before permanently deleting it).

To do this, you just have to:

  1. Open the OneNote app on your computer or browser.
  2. Select the corresponding notepad.
  3. Go to the tab History and click on Notepad Recycle Bin.
  4. Locate the page or section you want to recover, right-click on it and select Move or copy.
  5. Choose the destination and confirm. Done! The page will be accessible again in the blog.

In OneNote for Windows 10 or the online edition, you will need to go to the tab View > Deleted Notes, select the item and click on Restore to ... to return it to its original location or choose an alternative destination.

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Recover lost notes using OneNote automatic backups

OneNote automatically backs up your notebooks, usually every week. (This can be configured.) These copies are usually stored on the computer itself, which is useful if the note is no longer even in the recycle bin.

The steps to restore from a backup are:

  1. Open OneNote and go to File > Information > Open Backups.
  2. In the window that opens, navigate through the folders and select the file backup that corresponds (each folder is a notepad).
  3. Double-click the backup and it will open as a separate notebook.
  4. You can copy any page or section you want and paste it into your original notebook.

It is advisable to regularly review these copies and configure the frequency that suits you best. (At File > Options > Save and Backup) to minimize the risk of losing important information in the future.

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How to recover OneNote notes from OneDrive or other cloud solutions

If you use OneDrive as your primary notebook storage, it is essential to know that the platform offers its own recycling bin and second level of protection.

  1. Accede to OneDrive (from Microsoft365.com or the mobile app).
  2. In the left panel, go to Recycle Bin.
  3. If you don't find the file there, check the Second-level recycle bin (in some cases, this option appears just below).
  4. Select the notebook, section, page, or file you want to restore and click Restore. You will be returned to the original OneNote folder.
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Advanced search to find seemingly lost notes

Before you panic, use OneNote's search feature to locate missing notes.It's common to think a page has been deleted when it's actually been moved to another section or notebook.

  • press Ctrl + F or use the magnifying glass icon at the top of the program.
  • Enter relevant keywords or the title of the note.
  • You can apply filters to search all blogs, the current blog, a section, or just a page.

OneNote will search for matches even in handwritten text or words that appear in embedded images, making it easy to recover lost content.

Reopening closed or missing notebooks

OneNote

Occasionally, a notebook has simply been closed and is not lost or deleted.. To check:

  • Click the button show notebooks from the side.
  • Choose more notepads to see a full list.
  • Reopen the notebook or select the one you're interested in.

This maneuver is quick and can get you out of more than one tight spot if you've lost sight of a recent notepad.

Recover notes by manually syncing shared notebooks

If you work with multiple users in the same notebook, there may be synchronization problems. that cause temporary loss of content on any device.

  • Right-click on the notebook from the notebook menu.
  • Choose the option Synchronize and select to sync only that notebook or all of them at once.

This action often resolves many page disappearance errors in collaborative teams.

Using Windows File History and Mac Time Machine to Recover OneNote Files

If OneNote's internal backups have failed or are missing, you can use the operating system's own tools:

Recover with File History in Windows

  • In the Windows search bar, type “file history.”
  • Select the backup drive, navigate to the path where your OneNote files were stored, and choose the version you want to restore.
  • Click the restore button. The files will be returned to their original location.
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Recover with Time Machine on Mac

  • From the Finder, go to Applications and open Time Machine.
  • Locate the folder where your OneNote files were.
  • Select the documents you want to recover and click on Restore.
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What to do if the above methods don't work: data recovery programs

There are times when the note has been permanently deleted and neither the trash nor the backup copies contain it. In these cases, turning to professional data recovery software can save your digital life.

Among the most recommended options are: Disk Drill, 4DDiG Data Recovery, AOMEI Partition Assistant for Recovery, Wondershare Recovery. These tools allow you to scan disks, partitions, external devices (pendrives, SD cards) and recover files in .one format (OneNote), as well as a multitude of other file types (Become, PDF, JPG, etc.).

The usual process is:

  1. Install the recovery software of your choice.
  2. Select the location where the deleted notes were located.
  3. Start the scan (fast and deep, depending on the program).
  4. Preview the files found and select the ones you want to recover.
  5. Save the restored files to a different location to avoid overwriting.

Trial versions often allow you to verify which files are recoverable before upgrading to a premium version, which is helpful in assessing whether it's worth the investment.

What to do if the notebook disappears in the web or mobile version?

In OneNote Web or on mobile devices, recovery is similar to OneNote for Windows but with some peculiarities.Once you've identified the missing block, section, or page, check:

  • The tab Deleted notes in online mode.
  • The OneDrive recycle bin.
  • Closed notebooks that may be hidden in the interface.

It's a good idea to act quickly, as deleted items may disappear permanently after 60 days in the Recycle Bin or 30 days in OneDrive.