We all know there are lots of ways to add up a list of numbers. If you want (or need) to utilize the =SUM function in Excel, you can type =SUM( and then highlight your range of data, OR…..
…..you can use the keyboard shortcut Alt + = (hold down the Alt key and hit the equal sign). Excel will enter =SUM( ) with the cursor positioned between the parentheses. All you then need to do is highlight your data and hit Enter!