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Error when using the Send to OneNote feature on meetings/emails in the New Outlook.

Robin Smitz 60 Reputation points
2025-10-06T12:48:03.1266667+00:00

Hello,

We're experiencing an issue where when using the Send to OneNote feature, we receive the error: Cannot save this item to a shared notebook due to sensitivity label restrictions. Please save it to personal notebook.

This issue only occurs in the New Outlook and the Web Version. The feature still works in the Classic Outlook. The OneNote is saved in the personal Onedrive with a location that is not shared. The OneNote itself is also not shared. There are no sensitivity labels created in our tenant or any Purview policies created.

I've checked with IT partners in other tenants, and they run into the same issues as we are having.

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Any idea if this a bug or known limitation of the New Outlook/OWA? I can't find any concrete information online.

Outlook | Web | Outlook on the web for business | Calendar

Answer accepted by question author and recommended by moderator

Amir Haque 575 Reputation points Microsoft Employee Moderator
2025-10-07T16:07:36.47+00:00

Update (10/8): A fix has been deployed to the service for this issue. Affected users should start seeing it being resolved for them in the next 24-48 hours.

10/7: This is a known issue and Microsoft is working to further investigate it for a possible fix.

SI MO1166829 has been published to SHD for affected tenants, see below.

Users can't send email or calendar events to OneNote through the "Send to OneNote" add-in in any Outlook client

When users attempt to save an email or calendar event, they receive a message that states, "Error: Cannot save this item to a shared notebook due to sensitivity label restrictions. Please save it to personal notebook."

Current status: Our review of the collected failing request IDs and service logs has determined that this issue may be related to a recent change which enables stricter compliance regulations. We’re further analyzing this change to confirm our suspicions into the underlying cause of impact which will help guide our troubleshooting steps.  

Next update by: Tuesday, October 7, 2025, at 5:30 PM UTC

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  1. Anonymous
    2025-10-08T11:49:20.2233333+00:00

    Dear @Robin Smitz,

    Thank you for sharing the ticket number.

    After reviewing the status, I can confirm this is a known issue, as Amir mentioned above. Microsoft is actively working on a fix, but there’s currently no estimated timeline for resolution.

    In the meantime, please kindly continue using Classic Outlook as a temporary workaround.

    I appreciate your patience and understanding while this is being addressed. Thank you very much!

    I hope a fix will be available soon. Wishing you a great day ahead!


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  2. Anonymous
    2025-10-06T14:51:18.64+00:00

    Dear @Robin Smitz,

    Good day! Welcome to Microsoft Q&A forum!

    Please understand that our forum is a public platform, and we will modify your question to cover your organization domain name in the description. Please notice to hide these personal or organization information next time you post error or some information to protect personal data. 

    Based on your description, I understand that you’re encountering an error when using the “Send to OneNote” feature: Cannot save this item to a shared notebook due to sensitivity label restrictions. Please save it to personal notebook. This issue occurs only in the New Outlook and the Web Version, while the feature works as expected in Classic Outlook.

    I sincerely apologize for the inconvenience this has caused.

    Regarding the situation, I tested this on my side and encountered the same error as you.

    When the location to save the meeting details in OneNote is [YourName] @ [CompanyName]: The error code would be: Cannot save this item to a shared notebook due to sensitivity label restrictions. Please save it to personal notebook.

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    I have also tested this on my colleagues' devices and experienced the same error.

    Therefore, I tried to save it to my personal notebook instead.

    When I add a new personal notebook named "Test error" in OneNote, I could save the meeting details there.

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    User's image User's image

    You could refer to this thread for more helpful information as many other users also run into this error: https://learn.microsoft.com/en-us/answers/questions/5574077/sending-emails-from-outlook-to-onenote-through-app

    Currently, there are no known errors associated with this feature in the Microsoft 365 Admin Center.

    However, when other users have experienced the same error, even from your IT partners in other tenants, I strongly recommend Reporting an issue in Microsoft 365 Admin Center > Health > Service health > Report an issue so that the Product team would be aware of this issue and investigate further to fix it.

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    For further assistance, Microsoft’s support team could help with this. A Technical Support Engineer can perform a remote session to investigate the situation, verify the backend configurations, and run any necessary synchronization tools to resolve the problem. If the issue requires further attention, they can escalate it to a specialized team for deeper analysis.

    As forum moderators, we don’t have access to the detailed logs or backend systems needed to troubleshoot this effectively due to privacy and security constraints. For that reason, the most efficient solution would be to contact Microsoft’s support team directly.    

    For the standard procedure outlined above, Office 365 Global Administrators may need to contact the Office 365 support team by submitting a service request.

    Here’s what your Office 365 Global Admin should do next:  

    Submit a Service Request: The Global Admin should create a service request with Microsoft support to get advanced technical assistance and diagnostics. For detailed instructions on how to get support, please refer to Get support - Microsoft 365 admin

    Note: After creating the support ticket, please kindly let me know the ticket number so I could also track its process to help you with this situation.

    Thank you for your kindness and patience!


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