Projects can in turn be organized into Groups.
To create a Group, right-click a Project or Group listed in the left pane and select New Group from the context menu.
The File > New Group menu option can also be used. A project Group can be deleted using the right-click context menu of a selected group.
Deleting a Group does not delete its associated projects or objects from the metadata; it simply removes their reference in the Group being deleted. The projects of a deleted Group remain in the left pane.
To view or make changes to the group's Properties, right-click the Group name from the left pane and select Group Properties.
The Group Properties window is displayed: