Microsoft Teams: External domains anomalies report [MC1219794]

Microsoft Teams: External domains anomalies report [MC1219794]

Message ID: MC1219794 [Introduction] To help admins detect unusual or potentially risky interactions with external organizations, Microsoft Teams is introducing the External domains anomalies report. This report analyzes cross-tenant communication patterns for your tenant and highlights sudden spikes or abnormal…
(Updated) New features coming to Microsoft 365 Copilot Chat for Outlook, Word, Excel, and PowerPoint [MC1187671]

(Updated) New features coming to Microsoft 365 Copilot Chat for Outlook, Word, Excel, and PowerPoint [MC1187671]

Message ID: MC1187671 (Updated) Updated January 20, 2026: The change to Copilot Chat in Outlook to expand reasoning to include a user's entire inbox, calendar, meetings, and other enterprise data is starting to roll out across web, new Outlook for…