One way to improve your spreadsheet is to present data in chart form, and Excel is a great program for doing just this.

When you create a chart in Excel using positive and negative values, both positive and negative graphs are the same color by default. Another way to display the chart is to change the color of the ...

So, you need some eye-popping visuals to show off your top sales numbers for that meeting in 40 minutes but data, not design, is your forte. No problem. With Excel 2013—even if you’ve never used ...