MC794814 — Microsoft Purview | Information Protection: Encryption support for shared mailbox with security group in Outlook

Microsoft Purview | Information Protection will soon allow members of a mail-enabled security group to view and respond to encrypted mail in a shared mailbox using Outlook for Windows. Rollout begins late June 2024, with general availability expected by late October 2024. Users need Outlook for Windows Version 2402 or higher. No admin action is required before the rollout.