Outlook: Copilot Prioritize feature will be retired

The Outlook Copilot Prioritize feature will be retired starting October 26, 2026, with removal completed by mid-November 2026 across all Outlook clients. No admin action is needed, but users should be notified and internal materials updated accordingly. No compliance issues are identified. What and Why: We’re retiring the Copilot Prioritize feature in Outlook. Starting October 26, 2026, we’ll roll back the feature and remove the corresponding user experience from all Outlook clients as part of the cleanup effort. This change allows us to simplify the Outlook Copilot experience and focus our ongoing investments. Rollout Schedule: We will begin this change on October 26, 2026, and expect to complete by mid-November 2026. Impact on Your Organization: Who is affected: Users who currently have access to Copilot Prioritize in Outlook. Platforms/Services: All Outlook clients Microsoft 365 Copilot What will happen: Copilot Prioritize will be retired, with the rollback beginning October 26, 2026, and expected to be completed by mid-November 2026. The Prioritize user experience will be removed from all Outlook clients as part of the retirement and cleanup effort. Users will no longer be able to use the feature after retirement. No opt-in is required because this change removes an existing feature. Action Required/Recommendations: No administrative action is required. We recommend that you: Notify affected users of the retirement. Prepare your help desk and support teams for the change. Remove references to Copilot Prioritize from internal documentation, training, and support materials. Compliance considerations: No compliance considerations identified. Review as appropriate for your organization. Message ID: MC1519861

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