1Licensing, Editions and PrerequisitesA plain map of Microsoft Purview licensing, editions, add-ons and prerequisites before you design policies, scans or investigations.Discovery and Catalog 2Scanning Your Data EstateRegistration tells Microsoft Purview where data lives; scanning turns that source into searchable, classified metadata.Discovery and Catalog 3Classification EnginesClassification turns raw scan results into useful labels by matching patterns, reading context, or learning from examples.Discovery and Catalog 4The Unified Catalog Deep DiveA practical guide to domains, data products, glossary terms, access requests, and health scoring in Microsoft Purview Unified Catalog.Discovery and Catalog 5Data Lineage and Data QualityLineage shows where data traveled; quality shows whether it deserves trust, especially when artificial intelligence starts using it.Discovery and Catalog