Microsoft Excel's Data Validation tool lets you add a drop-down list to a cell based on existing data in a column. However, how this works depends on whether the source data is part of a formatted ...

Learn a quick and easy straightforward method for creating dependent drop-down lists in Excel using range functions, without relying on complex formulas. By organizing data with dynamic ranges, each ...

If you've used data validation in Excel before, you probably selected the relevant cells, clicked "Data Validation" in the Data tab on the ribbon, and created the rule in the Data Validation dialog ...