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.

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.

Learn Excel 365 formulas fast! From AutoSum to Intellisense, learn how to work smarter and analyze data with ease. Tips, ...