Yammer, Microsoft 365 Groups, and Microsoft Teams are all Microsoft 365 tools that are designed for sharing files and communicating with colleagues. So what differentiates them from one another, and when should you use which? Let’s find out.
Microsoft 365 Groups
With Microsoft 365 Groups, every member gets a shared inbox, calendar, project planner, notebook, and document library.

There are three communication and collaboration tools in Microsoft 365 that provide basically similar solutions for the same problem: Outlook Groups, Yammer, and Microsoft Teams. However, they all have subtle differences that set them apart from one another.