Data Validation in Microsoft Excel allows users to control the type of data entered into the worksheet. It picks from a list of rules to limit the type of data that can be entered into a cell.

Learn how to use a data validation control to allow users to select when to run multiple VBA procedures in Microsoft Excel.

How to base a data validation dropdown on an array in Excel Now we’re ready to create the data validation dropdown that will display the unique list in column H.

Inserting Drop-Down Lists with Data Validation Once you have created named ranges for your lists, the next step is to insert the drop-down lists using Excel’s data validation feature.

You can also use data validation to ensure data accuracy by restricting input to specific types, values, or ranges. In the example below, you can create dropdown lists for store regions to prevent ...