A Pyramid chart is a variation the 3D-Bar and Column charts. It represents the bars or columns as pyramids. The Pyramid chart is similar to the cone chart except for their base. Pyramid charts are often used for geographical purposes.

To set the bar chart to Pyramid at design time

• Expand the ChartGroups node in the Properties window. Open the ChartGroups Collection Editor by clicking the ellipsis button. In the right pane of the editor, set the ChartType property to Bar, then set the Appearance property to Pyramid.
• An alternate method to change chart type is to right-click the existing chart and select Chart Properties. From the Gallery, select Pyramid.
• Another alternate method is to select Pyramid, from the C1Chart toolbar.