OneDrive File Issues

How to Fix OneNote Notebook Missing and Sync Error 0x803D0010

Maira Mehtab Sep 27, 2026 870 views

Question details

Users are experiencing issues where their OneNote notebook disappears, fails to open, or stops syncing with OneDrive, often accompanied by sync errors 0x803D0010 or 0xE00009C8.

Product: Microsoft OneNote and OneDrive
Device & OS: not provided
Scenario: Attempting to access or synchronize a OneNote notebook across devices or via OneNote for the web.
Observed behavior: The notebook goes missing, fails to open, or stops synchronizing, throwing error codes such as 0x803D0010 or 0xE00009C8.

Before you start

Ensure you have a stable internet connection and verify the exact Microsoft account credentials associated with your missing OneNote notebook.

Solution 1Recommended

Verify Microsoft Account and OneDrive Location

Ensure you are logged into the correct Microsoft account where the notebook was originally created and stored.

Many synchronization errors and missing notebooks occur simply because the application is trying to sync with the wrong Microsoft account. Verifying the account and checking the OneDrive web interface is the best first step.

Sign in to OneDrive on the Web

Open your web browser, navigate to the official OneDrive website, and sign in using the Microsoft account credentials associated with your OneNote subscription.

Locate the Notebook

Navigate to the 'Documents' folder or the specific folder where your notebooks are usually stored.

Search for the Missing File

Use the search bar at the top of the OneDrive interface to search for the missing notebook by name to confirm it still exists on the server.

Account Verification: If you use both a personal and a work/school Microsoft account, ensure you are checking the OneDrive associated with the correct profile.

Solution 2

Review Sync Guidance and Contact Support

If the notebook is present but won't sync, or is completely missing from the server, consult official support channels for errors 0x803D0010 and 0xE00009C8.

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Frequently Asked Questions

What does OneNote error 0x803D0010 mean?

Error 0x803D0010 in OneNote typically indicates a synchronization failure between the local OneNote application and the server. This is often related to connectivity issues, server outages, or using an outdated application version.

How do I find a missing OneNote notebook in OneDrive?

Log in to OneDrive on the web, go to the 'My files' section, and check the 'Documents' folder. You can also use the search bar at the top of the page to search for the specific name of your missing notebook.

Can I recover a OneNote notebook that stopped syncing?

Yes. If the notebook stopped syncing but you can still view it in your desktop app, your latest changes might still be saved locally in the OneNote app cache. You can create a new notebook and manually copy the unsynced sections over before attempting to fix the original file.

Why am I getting OneNote sync error 0xE00009C8?

Error 0xE00009C8 usually occurs when OneNote cannot connect to the network or the cloud service. Verifying your internet connection, checking for service outages, and ensuring you are signed into the correct Microsoft account often resolves this issue.

Document & File Issues