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.

Prevent duplicates before they happen by combining a simple function with data validation.

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

Discover how a custom data validation tool is transforming education. Learn how we applied statistics to achieve fairness in peer reviews. See how we successfully scaled the "Design Data Products ...