If you are an Ad-hoc Google Group Owner or Manager, or if you have permission to manage members in someone else’s Google Group, you can add people to the group in the following ways:
To add a long list of members to your group, copy a comma-separated list of email addresses into the “Group members” box.
To remove one or more members from a Google Group:
You can view all group members as well as people who have been banned from a group under Members. To see a list of all banned members, see Banned Users on the left-hand menu. To search for members, use the search bar at the top of the “Members” page.
Campus List and Course List memberships are automatically populated using institutional reference data. They are not manually managed by group owners.