RM559105Microsoft Purview: Information Protection - Apply default SharePoint library labels to data at rest

Enables auto‑labeling of existing SharePoint files to match the default sensitivity label configured on their document library. This helps organizations close labeling gaps for data at rest and ensure consistent, secure‑by‑default protection across SharePoint libraries—without relying on manual user labeling.

GA date: October CY2026

Preview date: September CY2026