Starting mid-June 2026, Viva Engage will stop sending email notifications to frontline users with F1 and F3 licenses who lack active Exchange mailboxes, reducing email system load and improving delivery reliability. Notifications via Teams remain unaffected. No action is required, but review licensing and update support accordingly.
Applies to: Microsoft Viva
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).