Microsoft Teams: Report external users for security concerns [MC1309744]

Microsoft Teams: Report external users for security concerns [MC1309744]

Message ID: MC1309744 [Introduction]To help organizations respond more quickly to external security threats, Microsoft Teams will allow users to report suspicious external users directly from Teams. These reports will surface in the Teams admin center, giving admins greater visibility into…
Viva Engage: Email updates for frontline users without an active Exchange mailbox [MC1309743]

Viva Engage: Email updates for frontline users without an active Exchange mailbox [MC1309743]

Message ID: MC1309743 [Introduction]Viva Engage will stop sending email notifications to frontline users (F1 and F3 licenses) who do not have an active Exchange mailbox. Previously, notifications could still be sent to users without provisioned mailboxes, resulting in repeated delivery…
(Updated) Microsoft 365 Copilot Mobile App: Capability to drive awareness via Notifications on M365 Admin Center [MC1308856]

(Updated) Microsoft 365 Copilot Mobile App: Capability to drive awareness via Notifications on M365 Admin Center [MC1308856]

Message ID: MC1308856 (Updated) Updated May 13, 2026: We have updated the content. Thank you for your patience. [Introduction]To help organizations promote a secure and compliant AI experience on mobile devices, Microsoft is introducing a new Microsoft 365 Copilot Mobile card…
Microsoft SharePoint: Retirement of IDCRL authentication protocol and enforcement of OpenID Connect and OAuth protocols [MC1184649]

Microsoft SharePoint: Retirement of IDCRL authentication protocol and enforcement of OpenID Connect and OAuth protocols [MC1184649]

Message ID: MC1184649 (Updated) Updated May 13, 2026: We have initiated the deprecation rollout and expect to reach 100% production coverage in the next few weeks. We strongly recommend that customers transition to modern authentication at the earliest opportunity. Thank…