Microsoft Entra: Cross-tenant security group synchronization [MC1198077]

Microsoft Entra: Cross-tenant security group synchronization [MC1198077]

Message ID: MC1198077 We’re introducing cross-tenant group synchronization, a new capability that enables organizations to synchronize security groups across Microsoft Entra tenants. This feature simplifies collaboration scenarios by allowing shared access to resources across tenants while maintaining centralized group management.…
Migrate User Data Across Tenants: Mailboxes, OneDrives, and Teams Chats [MC1198079]

Migrate User Data Across Tenants: Mailboxes, OneDrives, and Teams Chats [MC1198079]

Message ID: MC1198079 [Introduction] To simplify cross-tenant migrations, we're introducing a unified interface that enables administrators to move user data—including Exchange mailboxes, OneDrive files, and Teams chats and meetings—across Microsoft 365 tenants. This streamlines migration workflows and supports seamless collaboration…
(Updated) Microsoft 365 Copilot: Declarative agents model upgrade to GPT-5.1 [MC1194070]

(Updated) Microsoft 365 Copilot: Declarative agents model upgrade to GPT-5.1 [MC1194070]

Message ID: MC1194070 (Updated) Updated December 16, 2025: We have updated the timeline. Thank you for your patience. [Introduction] Microsoft 365 Copilot declarative agents are upgrading to the GPT-5.1 model, which uses an “auto” architecture. The orchestrator will automatically select the…