Microsoft's data story confuses this category. Dataverse is a shared data platform, Microsoft Purview handles cataloguing and governance, and Microsoft Fabric consolidates analytics — none of which is master data management in the operational sense of matching duplicate records, applying survivorship rules and publishing a governed golden record back into Dynamics.
The buyers who need real MDM in Dynamics landscapes generally arrive from consolidation: several Dynamics instances after acquisitions, or Dynamics alongside other systems with no agreed definition of a customer. Notably, one vendor below is built on the Microsoft stack specifically, which materially reduces integration effort for Dynamics-centric organisations — a legitimate reason to weight it in evaluation.
What do Dataverse and Purview actually do?
Dataverse provides a shared data platform underneath Dynamics 365 and Power Platform, with a common schema and security model that reduces duplication between Microsoft applications. Microsoft Purview adds data cataloguing, lineage and governance policy across your estate. Neither performs the core MDM functions: probabilistic matching of duplicate records, survivorship rules determining which source wins per attribute, data steward workflow for resolving conflicts, or publication of governed golden records back into operational systems. Those remain third-party capabilities, and the fact that Dynamics is one of several systems holding customer and product data is usually what makes them necessary.