Add Members to a Group
You can add members to a new or existing group in the following ways:
Adding members through the Members page
You can add several members to a User Group at once from the Members page for the group in Group Administration. This may be a good way to populate the group if you are adding new contacts or if you have limited information.
Note: You cannot add members to an Admin Security Group from the Members page for the group; instead, you must specifically create an administrator account for them in Constituent360 -- and then add them to the appropriate group. See To add a member to a group from a Constituent Profile: