(Updated) Microsoft 365 Copilot Apps installation on devices with Microsoft 365 Apps [MC1152323]

(Updated) Microsoft 365 Copilot Apps installation on devices with Microsoft 365 Apps [MC1152323]

Message ID: MC1152323 (Updated) Updated March 16, 2026: We have temporarily disabled the automatic installation of the Microsoft 365 Copilot app to eligible devices with the Microsoft 365 desktop apps. We will provide another update once we re-enable these installations.IntroductionStarting…
(Updated) Trust DigiCert Global Root G2 certificate authority to avoid Exchange Online email disruption [MC1224565]

(Updated) Trust DigiCert Global Root G2 certificate authority to avoid Exchange Online email disruption [MC1224565]

Message ID: MC1224565 (Updated) Updated March 16, 2026: We republished the Microsoft 365 Root Certificate Chain Bundles for Worldwide (WWMT) and GCC High / DoD (ITAR) after identifying that the previously published bundles were missing required information. If you already…
(Updated) Outlook: retiring “Contact Masking” (hide suggested recipients) –  March 31, 2026 [MC1234566]

(Updated) Outlook: retiring “Contact Masking” (hide suggested recipients) – March 31, 2026 [MC1234566]

Message ID: MC1234566 (Updated) Updated March 13, 2026: We have updated the content. Thank you for your patience. [What’s changing] In Outlook, users can hide a suggested recipient while addressing an email. For example, selecting the X next to a name…
(Update)Microsoft Entra ID: General Availability of passkey profiles and migration for existing Passkeys (FIDO2) tenants [MC1221452]

(Update)Microsoft Entra ID: General Availability of passkey profiles and migration for existing Passkeys (FIDO2) tenants [MC1221452]

Message ID: MC1221452 (Updated) Updated March 13, 2026: We have updated the content. Thank you for your patience.[Introduction]Starting in March 2026, Microsoft Entra ID will introduce passkey profiles and synced passkeys to General Availability (GA). This update allows administrators to…