The “Select data” (Excel 2007-2013) or “Data source” (Excel 2000-2003) commands can be used to add new data series to a chart, but in some situations, they are not flexible enough. The XL Toolbox offers an alternative and more powerful way to add many chart series add once to a chart.
This is a companion discussion topic for the original entry at https://www.xltoolbox.net/addseries.html