Quick answer: Use =ISBLANK(A2) to test whether an Excel cell is genuinely empty. Use =A2="" if you also want to treat a formula returning an empty string as blank. This guide explains both checks, practical IF formulas, and why cells that look empty may behave differently. 1: Using the ISBLANK() Function Works with: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac… Read More »How to Check If an Excel Cell Is Blank: ISBLANK vs IF