There are two other methods to use the ISBLANK function. If you are using the formula and getting FALSE even when the cell is blank, the problem is that the cell contains a Zero-length String.

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.

In Excel spreadsheets, complex formulas are difficult to enter without making mistakes. Microsoft Excel’s LAMBDA() function can make such errors easier to find.

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.