Updated for 7.0
select GROUP(S) under MEMBER on the left hand side of the screen
select the group under LIST that you would like to view. It will take you to this screen:
in the bar under GROUPS select MEMBERS. It will take you to this screen:
select the green MESSAGE ALL button on the right hand side of the screen. This pop up box will appear:
type your message within the message box
when completed, select SEND MESSAGE in the green box
These are all sample names.