The Outlook Folder Recursive Search feature has been canceled. It was intended to allow searches within sub-folders. The rollout, initially planned for late November 2024 to late December 2024, was rescheduled to late February 2025 to late March 2025. Refer to Microsoft 365 Roadmap ID 151025 for details.
Applies to: Microsoft 365 suite · Microsoft 365 for the web · Microsoft 365 apps
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).