How do I message students who have not signed up for a self sign-up group?
If you have created a self sign-up group within your course, you can message students who have not yet signed up for a group and remind them to do so.
View User Groups
At the top of the People page, click the View User Groups button or an existing group set.
Confirm Group Creation and Options
Message All Unassigned Students
To send a reminder to students who have not signed up for a group, click the Settings icon , then click the Message All Unassigned Students link .