RM536572Microsoft Teams: External Domains Anomalies Report

This new report helps admins proactively spot unusual or risky interactions with external organizations. By analyzing communication trends and detecting sudden spikes, new domains, or abnormal engagement patterns, it provides early visibility into potential data-sharing or security risks. As external collaboration grows, this report delivers actionable insights to safeguard your tenant while supporting productive cross-organization work.

GA date: May CY2026