Compare Microsoft Purview’s built-in Microsoft 365 compliance, eDiscovery, and retention tools against third-party email archiving solutions like Intradyn. This detailed buyer’s guide examines Purview’s features, limitations, and pricing—covering retention policies, Preservation Lock, adaptive scopes, eDiscovery (Standard vs. Premium), Teams Export API costs, and journal capture restrictions. Learn how IT managers, compliance teams, and legal departments can decide when Purview alone ...