Practitioner field notes on Microsoft Purview DLP validation: the Simulation, Audit, Block-with-override, Block lifecycle, the metrics and the readiness checklist.

DLP is not about blocking everything. It is about deciding which data movement is acceptable, risky or unacceptable. This interactive policy builder helps Microsoft 365 admins, security teams and compliance teams design practical DLP policies across Exchange, SharePoint, OneDrive, Teams and Endpoint. Includes a 7-input risk scoring engine, 12 baseline policies, location-specific recommendations, safe rollout phases, policy naming conventions, DLP and sensitivity labels guidance, Copilot readiness alignment, and 18 common DLP mistakes from