check before: 2025-06-30
Product:
Copilot, Microsoft 365 Apps, OneNote, Purview Information Protection, Windows
Platform:
Android, iOS, Mac, Online, Windows Desktop, World tenant
Status:
Change type:
User impact, Admin impact
Links:
Details:
Summary:
Update OneNote to the latest version to ensure seamless and secure sync due to infrastructure upgrades completed in June 2025. Users on older versions may experience sync issues. Refer to the Microsoft Support article for troubleshooting. All OneNote platforms are affected. Contact Microsoft support for further assistance.
Details:
As previously announced in MC1035701 (March '25), we're upgrading OneNote's sync infrastructure to deliver improved security, performance, and reliability across all supported platforms - including OneNote for Windows, Mac, iOS, Android, and OneNote for Windows 10. To benefit from these enhancements, users must be on the latest version of OneNote.
[When this will happen:]
The rollout completed at the end of June 2025
Change Category:
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Scope:
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Release Phase:
Created:
2025-07-04
updated:
2025-07-04
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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linked item details
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summary for non-techies**
Microsoft has upgraded the infrastructure for OneNote, requiring users to update their application to the latest version to avoid issues and ensure compatibility, with OneNote on Windows 10 support ending after October 14, 2025, necessitating a transition to OneNote for Microsoft 365.
Direct effects for Operations**
Sync Issues
Users on older versions may experience sync interruptions, including notebooks opening as read-only and sync error messages.
- roles: End Users, IT Support
- references: https://support.microsoft.com/office/fix-issues-when-you-can-t-sync-onenote-299495ef-66d1-448f-90c1-b785a6968d45
User Confusion
Transitioning to a new version without preparation may lead to confusion among users regarding the functionality and features of OneNote.
- roles: End Users, Training Coordinators
- references: https://support.microsoft.com/office/fix-issues-when-you-can-t-sync-onenote-299495ef-66d1-448f-90c1-b785a6968d45
Performance Degradation
Users may experience degraded performance and reliability if they do not update to the latest version, affecting productivity.
- roles: End Users, Project Managers
- references: https://support.microsoft.com/office/fix-issues-when-you-can-t-sync-onenote-299495ef-66d1-448f-90c1-b785a6968d45
Increased Support Requests
IT support may face an increase in requests for assistance due to sync issues and user confusion, straining resources.
- roles: IT Support, Help Desk Staff
- references: https://support.microsoft.com/office/fix-issues-when-you-can-t-sync-onenote-299495ef-66d1-448f-90c1-b785a6968d45
End of Support Risks
Failure to migrate from OneNote for Windows 10 before its end of support may leave users without critical updates and security patches.
- roles: End Users, Compliance Officers
- references: https://support.microsoft.com/office/fix-issues-when-you-can-t-sync-onenote-299495ef-66d1-448f-90c1-b785a6968d45
Configutation Options**
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Potentional Risks**
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IT Security**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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Last updated 3 days ago
