The Excel ISBLANK function returns TRUE if cell value is blank and False if the cell is not blank, and it is also an information function.

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.

Using the basic Excel filter function formula Before we explain how to use the Excel filter function with multiple criteria, it’s important to understand how the Excel filter function formula works.

That’s it! The formula will list each unique customer one time in a vertical list. The UNIQUE function can become even more powerful when combined with other Excel functions. Let’s do an example where ...