Susan Harkins shows you a quick method for removing validation rules for multiple ranges in Excel, at the same time.

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

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 ...

A common use of data validation is to create a drop-down list. Use it to restrict the type of data that users enter into an Excel cell.