check before: 2026-03-30
Product:
Entra, Microsoft 365 Apps, Microsoft 365 Groups, Outlook
Platform:
Online, World tenant
Status:
Change type:
Admin impact, Retirement
Links:
Details:
Summary:
External access tokens for actionable messages will be retired by March 31, 2026, requiring organizations to switch to Microsoft Entra authentication. This change enhances security and compliance. Organizations should review and update their actionable message integrations before the deadline to avoid failures.
Details:
[Introduction]
We're retiring the use of external access tokens for actionable messages and transitioning to Microsoft Entra-based authentication. This update enhances security and aligns with modern identity standards, providing a more robust and compliant experience for actionable messages.
[When this will happen]
This change takes effect on March 31, 2026. After this date, external access tokens will no longer be supported.
Change Category:
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Scope:
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Release Phase:
Created:
2025-11-25
updated:
2025-11-25
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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summary for non-techies**
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Direct effects for Operations**
Failure of Actionable Messages
After March 31, 2026, actionable messages relying on external access tokens will fail, disrupting workflows and communication.
- roles: IT Administrators, End Users
- references: https://learn.microsoft.com/outlook/actionable-messages/
Increased Workload for IT
IT teams will face increased workload to update and transition all actionable message integrations to Microsoft Entra authentication before the deadline.
- roles: IT Administrators, Developers
- references: https://learn.microsoft.com/outlook/actionable-messages/enable-entra-token-for-actionable-messages
User Experience Disruption
End users will experience disruptions in their workflows if actionable messages fail due to lack of transition to Entra authentication.
- roles: End Users, Business Analysts
- references: https://learn.microsoft.com/outlook/actionable-messages/
Security Risks
Failure to transition may expose the organization to security risks associated with outdated authentication methods.
- roles: Security Officers, IT Administrators
- references: https://learn.microsoft.com/outlook/actionable-messages/
Compliance Issues
Organizations may face compliance issues if they do not adhere to the new authentication standards set by Microsoft Entra.
- roles: Compliance Officers, IT Administrators
- references: https://learn.microsoft.com/outlook/actionable-messages/
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 2 months ago ago
