There are several ways to perform addition in Microsoft Excel 2016. In this short video, a sample spreadsheet of three salespeople’s monthly salaries and commissions is used to demonstrate how to add cell values, how to use the SUM function, and how to use AutoSum. The tutorial applies to Excel 2016, Excel 2013, Excel 2010, Excel Online, and Google Sheets. The narrator is the author of Excel Basics In 30 Minutes.