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

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

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.

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.

When you update this spreadsheet with new or different data, you won’t have to re-create the validation rule, but you will need to click Circle Invalid Data again. This tool would be useful to bring ...

Data validation in Excel allows you to create drop-down menus right inside individual cells. You can also restrict the types of values entered into different cells.

In this article we will show you how to display multiple columns in a validation list in Excel. We will show you a method that can then be applied to your data.

In Excel, custom input or error messages explain the rules for each field to prevent data-entry errors. Here's how to set them up in a spreadsheet.