Unlock the full potential of Excel's SUM function with advanced techniques for data analysis, conditional counting, and more.

Select the cell in your Microsoft Excel document that you would like to use for the sum of squares function and open the "Formulas" tab.

You can sum a series of numbers in Microsoft Excel manually by typing in a simple formula, or automatically with a tool.

Excel has over 475 formulas in its Functions Library, but we've selected the most popular, from date and time functions to mathematics and simple data manipulation.

Some benefits to using GROUPBY over a PivotTable are that it is formula-based, it updates dynamically, and it is easy to use in reports (it does not require setup). In cell G1, enter the GROUPBY ...