Starting February 16, 2026, Microsoft Purview eDiscovery Content Search cases will no longer support review sets or case-level data sources. Users needing advanced review features should use dedicated eDiscovery cases. Existing searches and exports remain unaffected; no action is needed if only searching and exporting.
Applies to: Microsoft Purview
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).