Microsoft Defender for Office 365 will tag promotional emails as “promotions” and can auto-move them to a Promotions folder, learning from user actions. Public preview starts mid-April 2026; general availability begins late July 2026. Admins control settings; users can train the system by moving messages.
Applies to: Microsoft Defender XDR
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).