Microsoft announced the deactivation of the Outlook Copilot AI sorting function Prioritize My Inbox

Microsoft will begin deprecating the Prioritize My Inbox feature in Outlook starting October 26, 2026. The feature, launched in 2025, helps users organize emails with Copilot AI. Microsoft has not stated the reason for the deprecation, only that it will help simplify the Outlook Copilot experience, and it is expected to be completely removed by the end of March 2027.