Dynamic arrays enhance data validation with dynamic drop-down lists and improve dashboard creation and data analysis. The secret lies in the hash operator, a simple yet powerful tool that can ...

By combining Excel’s GROUPBY function with dynamic formulas, data validation lists, and conditional formatting, you can create an interactive data summary with robust drill-down capabilities.

By adding the COUNTIF() function to the data validation settings, you can use this feature to reject a value if it already exists within range. Before you start, make sure the column in question ...

Microsoft Excel supports two different dropdowns: Data Validation and a combo box control. For now, Data Validation is the only dropdown that is dynamic, so this tutorial won’t cover the combo ...