Microsoft Teams: External domains anomalies report [MC1219794]
Posted inMicrosoft Teams

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…
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(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…
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Microsoft Defender for Office 365: Enable users to report suspicious Teams messages in Plan 1 [MC1219788]
Posted inMicrosoft Teams

Microsoft Defender for Office 365: Enable users to report suspicious Teams messages in Plan 1 [MC1219788]

Message ID: MC1219788 [Introduction] We’re expanding the ability for users to report suspicious Microsoft Teams messages to customers with Microsoft Defender for Office 365 Plan 1. Previously available only to Plan 2, this update helps security teams identify and investigate…
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Custom greetings in voice call authentication will retire on Feb 28, 2026 [MC1219798]
Posted inMicrosoft Entra

Custom greetings in voice call authentication will retire on Feb 28, 2026 [MC1219798]

Message ID: MC1219798 As communicated in MC1125485 and Configure Microsoft Entra multifactor authentication - Microsoft Entra ID | Microsoft Learn, we will retire the Custom greetings feature in Voice call authentication on February 28, 2026. This feature allowed organizations to…
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