Microsoft's automatic passkey enablement, disclosed in Message Center notification MC1221452 in January 2026, represents the tech giant's most aggressive push toward passwordless authentication to date. The timeline: Early March 2026: General Availability rollout begins (happening now), Early April through late May 2026: Automatic migration for tenants that haven't opted in, June 2026: Government cloud environments (GCC, GCC High, DoD) follow.