Introduction

In Azure Active Directory (Azure AD), there are three main types of groups- security groups, Microsoft 365 groups, and dynamic groups.

Security groups

Microsoft 365 groups

Dynamic groups

Summary

Security groups are primarily used to manage access to resources and applications. Microsoft 365 groups are used for collaboration and communication within Microsoft 365 services. Dynamic groups are used to automate the management of access to resources and applications based on user attributes or other criteria.