🚨 The Signal: The =COPILOT function in Excel, a preview feature, is being retired on September 14, 2026. Copilot functionality will remain available via the side pane, streamlining the user experience.
Excel Insider and Frontier users are affected, with no direct security risk, only a change in how Copilot features are accessed.
Domain: M365-Apps · Impact: low · Workload: M365 Apps