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Add the values in a column or row by using a button. You can use AutoSum to quickly sum a range of numbers in a column or row. Click an empty cell below a column of numbers or to the right of a row of numbers, and then click AutoSum. Excel selects what it determines to be the most likely range of data.
The way to do this in Excel is to use the SUM function. The formulas below show you how to add up values in columns using a few different variations of the SUM function: To get the sum of values in a column (e.g. column B), use the following formula:=SUM(B6:B17). Here's how to have the sum appear directly beneath the last cell: 1  Drag your mouse cursor over the cells you want to add (e.g. B6 thru B17).ereâs how to use the Function Arguments dialog box to get the sum of values: 1  Click on the cell where you want the Total sum to appear (e.g. A21). 2  Press the equal sign (=) on your keyboard. 3  Click on the function drop-down list box (See Figure 1), on left side of the formula bar.