These instructions work in Excel in Microsoft 365, Excel 2021, Excel 2019, Excel 2016, and Excel 2013. How to Add a Secondary Axis to an Excel Chart Excel charts offer a variety of ways to ...

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.

By default, Excel will use the first column for the X coordinate and the second for the Y coordinate. To add additional data for the Y axis, you need corresponding data for the X axis as well.