VBA MultiSelect Property of ListBox ActiveX Control in Excel to sets an integer value (0 or 1 or 2). It specifies how text is selcted in a listbox control. When user sets MultiSelect property to ‘0’ then user can only select one item at a time. If MultiSelect property sets to ‘1’ then user can press the spacebar to select and deselect list box items. Finally, If MultiSelect property sets to ‘2’ then user can use ‘Shift’ or ‘Ctrl’ keys to select multiple items in a list box.