To add more data to the Y axis in a line chart, add additional numbers in cells below your existing data. Right-click the chart, choose "Select Data" and highlight all entries in the single column.

Matching One Column Data with Another in Excel. If you don't have a keen eye and a perfect memory, you probably can't spot all the differences between two data columns in a large worksheet.

Inserting a blank row between existing rows of data in an Excel spreadsheet can be a tedious task if you insert each row individually. Fortunately, if you know this trick, inserting rows between ...