Click the little Insert ‘Swimlane’ Shape arrow that appears. Hold the pointer over a corner of one of the swimlanes. Right-click a swimlane header, and then click Insert ‘Swimlane’ Before or Insert ‘Swimlane’ After in the shortcut menu. There are several ways to add swimlanes to your diagram: For more information, see Create a Data Visualizer diagram. Note: You can also automatically create a cross-functional flow chart from Excel-based data by using a Data Visualizer diagram.