MC1263276: Microsoft 365 Copilot: Admins will be able to enable third‑party model providers for specific users and groups
Admins will soon be able to assign third-party AI model providers like Anthropic and xAI to specific users or groups in Microsoft 365 Copilot via a new control in the Microsoft Admin Center. This rollout begins in late April 2026 and supports Entra ID group-based access management.