Upcoming updates to the "Turn off sharing recommendations" Cloud Policy will prevent users from sharing or editing folder permissions with individuals in Outlook on the web and new Outlook for Windows. Rollouts begin in October 2024, with no required admin action before the rollout.
Applies to: Exchange Online · Microsoft 365 for the web · Microsoft 365 apps
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).