How to Add an Overlay to Excel. Microsoft Excel 2010 can create a chart to illustrate numeric data from a worksheet. Excel's "Chart Tools" contain "Labels" that customize the chart area.

How to Add a Second Y-Axis on Excel & Make a Second Series at the End of the Chart. Microsoft Excel charts give you a large number of options for displaying the data in your spreadsheet.

Displaying values on a map chart is more meaningful than handing someone a sheet of data. Thanks to Microsoft Excel's Geography data type, creating a map chart is easier than you might think.

Microsoft Excel can allow users to move charts from one spreadsheet to another or to move it up and down on the same spreadsheet. You can also size a chart by using the dragging technique.

If you want to add labels to the bubbles in an Excel bubble chart, you have to do it after you create the chart. Mary Ann Richardson explains what you need to do to add a data label to each bubble.