Use the Legend Title Properties dialog box to define general options for the title used in the legend. The legend title, unlike any other title on the chart, can be underlined using a legend separator.
Type a title or expression that represents the title to be displayed in the legend.
Type a string or expression that represents the alignment of the legend title. When an input string cannot be evaluated, the value defaults to Default.
Click the color button that you want to use as a color for the selected item. A larger example of the color is displayed in the Sample area. By default, White is selected. Click the Expression (fx) button to edit the expression
Type an expression or select an underline style for the legend title separator.
Type an expression or select a color for the legend title separator.