Restricted Content Discovery Gets a Makeover

Restricted Content Discovery (RCD) is an important guardrail for Microsoft 365 Copilot deployments. Microsoft is tightening how RCD works to eliminate a corner case where recently accessed files from protected SharePoint Online sites could still surface in Microsoft Search and become available to Copilot. The update closes that loophole by ensuring that recently accessed files from RCD-enabled sites remain hidden from Search and Copilot.

https://office365itpros.com/2026/08/05/restricted-content-discovery-2/