To apply data validation rules to a selected cell or range, head to the "Data" tab on the ribbon, and click the top half of ...

You can easily create a drop-down list in Excel to limit the values that can be entered in a column. Here's how to set one up ...

Follow the steps below to create a drop-down list using data validation in Excel. If you want to add a message pop up, you can click the Input Message tab and check the checkbox for “Show input ...

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 Valley’s ...