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.

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

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

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.

Use data validation Data validation is like setting the group rules for your Excel cells. It ensures that only the right kind of data gets in and eliminates any errors or typos.

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 ...

Pydantic, the popular Python library and open source data-validation framework used by some of the world’s biggest companies, has a new commercial namesake and the backing of one of Silicon ...