SharePoint Site Administrators Can Now Control Restricted Content Discovery

Restricted Content Discovery (RCD) is a feature that blocks access by Microsoft 365 Copilot and agents to the files stored in a SharePoint Online site. Instead of relying on tenant administrators, site administrators can now enable or disable RCD. It’s a natural evolution of what is an essential feature to keep sensitive and confidential information being leaked inadvertently by AI.

https://office365itpros.com/2026/01/13/rcd-site-level/