Excel charts let you illustrate your workbook data graphically to see trends. Learn how to format charts in Excel in this free lesson.
The chart legend displays useful information about the chart. Like a roadmap, the legend identifies what different colors or objects represent in the chart. The chart legend, like the chart title and category axis labels, can be formatted to your liking.
The only way to change the actual text that appears in the chart legend is to change the source data in the worksheet.