Learn how to create a drop-down list using Data Validation in Excel. Data Validation limits the type of data that can be entered into a cell.

You can automate the task of inserting red circles around items using Data Validation tools.

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

Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...

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 ...