How to: Format the Axes Labels (Report Builder 1.0)
The axes labels are based on the field names added to the chart. You can format their appearance.
To format the axes labels
In Report Builder design mode, right-click anywhere on the chart.
Click Chart Options.
Select the X axis or Y axis tab.
Verify that Show Labels is selected.
Click Font.
The Format dialog box with the Font tab is displayed.
Select the formatting options that you want to use.
Click OK, and then click OK again.