External Recipients Banner on Outlook Mobile

Outlook Mobile will display a banner warning users when they add external recipients to meetings, enhancing threat protection by alerting users to potential security risks.

“Services: Exchange Online. [What and Why:]When you add an attendee outside your organization to a meeting, Outlook will display a banner warning you that external recipients are included. [Rollout Schedule:]General Availability (Worldwide): We will begin rolling out on late …”