To activate or suspend a Group:
Use the left mouse button to select each group name you want to activate or suspend.
Left-clicking on a group and pressing the Shift key as you move your cursor selects a consecutive set of groups. Press the Ctrl key and left-click individual groups to select multiple non-consecutive groups.
Click the
button to move groups from the Active column to the Suspended
column, thus suspending them, or click the button to move groups from the
Suspended column to the Active column,
thus activating them.