Signal of the Day · Security & AI Risk Surfaced late · published September 28
Microsoft: legacy Teams retention policies will stop covering Microsoft 365 Copilot interactions, starting late October
What happenedPer Microsoft notice MC1481313, legacy Teams retention policies will no longer apply to Copilot interactions; rollout begins late October, expected complete mid-November 2026.
Why it mattersSNF and AL/SL operators on Microsoft 365 that rely on Teams policies to retain or delete Copilot interactions lose that coverage without a Copilot-specific policy.
For leadersAsk which retention policy covers Copilot interactions today, and who confirms a Copilot-specific policy is in place before mid-November.