Microsoft OneNote, a powerful note-taking app, is deeply integrated into the Windows 10 ecosystem. If you're wondering where your OneNote files are stored, you're in the right place. In this guide, we'll explore the default file location for OneNote on Windows 10, along with some tips on how to access and manage your notes.
Default OneNote File Location on Windows 10
By default, OneNote for Windows 10 stores its files in a specific location on your hard drive. Here's how you can find them:
- Open File Explorer.
- Navigate to the following location:
C:\Users\YourUsername\OneNote\Notebooks - Here, you'll find all your OneNote notebooks as individual files with the extension
.one.
Note that YourUsername is your Windows username. If you've changed the default location, you'll find your notebooks in the new location you've specified.

Understanding OneNote File Format
OneNote uses the .one file format for its notebooks. Each notebook is a separate file, and each page within the notebook is a separate XML file stored within the notebook file. This structure allows OneNote to handle large amounts of data and complex content efficiently.
Accessing and Managing Your OneNote Files
Now that you know where your OneNote files are stored, let's look at how you can access and manage them.
Opening a Notebook
- Navigate to the notebook file in File Explorer.
- Double-click the notebook file to open it in OneNote.
Moving or Copying Notebooks
- Select the notebook file in File Explorer.
- Right-click and select 'Cut' or 'Copy' to move or copy the notebook to a new location.
Backing Up Your Notebooks
It's a good practice to back up your OneNote notebooks regularly. You can do this by copying the notebook files to an external drive or a cloud storage service like OneDrive. Here's how:

- Select the notebook file in File Explorer.
- Right-click and select 'Copy'.
- Navigate to your backup location (e.g., OneDrive, an external drive, etc.).
- Right-click and select 'Paste'.
Changing the Default OneNote File Location
If you want to change the default location where new OneNote notebooks are stored, you can do so in the OneNote settings:
- Open OneNote.
- Click on 'File' > 'Options' > 'Save & Backup'.
- Under 'Save notebooks to this location', click on 'Change'.
- Select the new location and click 'OK'.
From now on, new notebooks will be saved to the new location you've specified.






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