Sparkline Tools -> Design->Group -> Axis Exam 77-882: Microsoft Excel 2010 Core 6. Presenting Data Visually 6.4. Apply Sparklines: Customize Sparklines Sparkline: Format Axis There are some basic Axis options that you can choose.   Before You Begin: Click once on the Sparkline so that it is selected. The Sparkline Tools should be available. Go to Sparkline Tools->Design->Type. Click on Column. The High Point Marker is Purple.   7. Try This: Format the Axis Go to Sparkline Tools -> Design->Group. Click on Axis.   What Do You See? By default Axis options show the Maximum and Minimum Values for the Horizontal and Vertical Axis.   Very Good. That's a lot for a little chart. Save. Save. Save.