Create an Office 365 Group for a project (Project Service)
Applies to Project Service app versions 2.x and 1.x
Provide a space where team members for a project can collaborate on project documents, view the team’s calendar, and have group conversations by creating an Office 365 Group for that project.
Go to Project Service > Projects.
Click the project you want to work on.
In the bar across the top of the screen, select the down arrow next to the project name, and then click Office 365 Groups.
Click Create Office 365 Group. You’ll receive an email when your group is ready.