Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions.

Unfortunately, if you're using Excel 2019 or earlier, you won't be able to create your own functions using the methods described in this guide.

This month’s column shows how to use the remarkably versatile AGGREGATE function in Excel.

Excel’s UNIQUE function allows users to extract unique values from a dataset, making it easier to identify and remove duplicates.