Microsoft Defender for Office 365: Admins can block external users in Microsoft Teams from Defender Portal [MC1200058]

Microsoft Defender for Office 365: Admins can block external users in Microsoft Teams from Defender Portal [MC1200058]

Message ID: MC1200058 [Introduction] We’re introducing an integration between Microsoft Teams and Microsoft Defender for Office 365 that allows security admins to manage blocked external users in Teams through the Tenant Allow/Block List (TABL) in the Microsoft Defender portal. This…
(Updated) Microsoft Teams town halls: Full HD (1080p) video resolution coming to Teams Premium [MC1178507]

(Updated) Microsoft Teams town halls: Full HD (1080p) video resolution coming to Teams Premium [MC1178507]

Message ID: MC1178507 (Updated) Updated December 18, 2025: We have updated the timeline. Thank you for your patience. [Introduction] We’re enabling 1080p resolution (1920 x 1080 pixels) for Microsoft Teams town halls, delivering a significant upgrade in video quality for your…
(Updated) Microsoft dark themes for SharePoint sites [MC1187401]

(Updated) Microsoft dark themes for SharePoint sites [MC1187401]

Message ID: MC1187401 (Updated) Updated December 18, 2025: We have updated the timeline. Thank you for your patience. [Introduction] Coming soon to SharePoint: Site owners and admins will be able to apply two new Microsoft-designed multi-color dark themes. These official themes…
Microsoft Purview | Data Security Investigations – Introducing new purge mitigation action [MC1199763]

Microsoft Purview | Data Security Investigations – Introducing new purge mitigation action [MC1199763]

Message ID: MC1199763 [Introduction] We’re introducing a new purge mitigation action in Microsoft Purview Data Security Investigations (DSI). This feature enables admins to quickly and efficiently delete sensitive or overshared content during investigations, directly within the product experience. The purge…