To open the Group editor for an existing group:
In the Navigator pane, expand the Administration folder, and then the Groups folder.
Do one of the following:
Right-click a group name under the Groups folder, and then click Open in the shortcut menu.
Under the Users folder, double-click the name of a user who belongs to the group that you want to edit. In the User editor, click the Groups tab, and then double-click the group name displayed on the tab.