RM571306Microsoft Purview: Data Lifecycle Management-Legacy Teams retention policies covering Copilot will be treated as Teams-only

Some existing retention policies scoped to Microsoft Teams may currently also apply to Microsoft 365 Copilot interactions. As part of an upcoming change, these legacy Teams retention policies will be converted to—and treated as—Teams-only policies. They will no longer implicitly govern Copilot workloads.

GA date: October CY2026