The 2026 Microsoft 365 Packaging Update, rolling out mid-June to early August, adds enhanced security features like Microsoft Defender Plan 1, URL time-of-click protection, Intune improvements, and +50GB Exchange Online storage. Microsoft 365 Business SKU backfill completes by September 30. Admins should review and configure new policies.
Applies to: Exchange Online · Microsoft Intune · Microsoft Defender XDR
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).