1. Navigate to Manage > Groups.
2. Open the group you wish to modify.
3. Click +Add and select Invite user from the dropdown menu. If the user is already a part of the group and you would like to move them into a subgroup, you may drag and drop the user between subgroups instead.
   1. If the user is already a member of the group but, you would like to authorize the user in multiple groups, type in the user’s name and select the respective subgroup in the list.
   2. If the user is not a member of the group yet, type in the users' email address followed by choosing the respective subgroup in the list.
4. Confirm by clicking Invite.