Licensing the range of Microsoft 365 compliance and security features is a task taken on by the bravest. Or so they say. Another way of putting it is that people just don't understand what licenses are needed for the different compliance, data governance, and security features. A new Microsoft 365 Compliance plan and three sub-licenses might make it easier, even if they're more expensive. After reading the PDF to explain what licenses are needed, maybe you'll know what you need to buy.