Category Overlay Markers

In the General dialog box (accessible by double-clicking on any point marker in a graph) or on the Plot: General tab of the Graph Options dialog box, select the Multiple markers check box and click the Multiple markers button to display the Category Overlay Markers dialog box.

Pattern
Click any of the Pattern buttons to display the Marker Properties dialog box, in which you can change the size, color, pattern, and style of markers on the graph.
Close
Click Close to accept your changes and return to the previous dialog box.