Data validation is the foundation of creating drop-down lists in Excel. By setting up data validation rules, you can create lists that automatically update as your data changes.

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 ...

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.

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.

To create a custom list, click the cell in which you want the list to appear. Click "Data Validation" on the Data tab and click "Data Validation." Choose "List" in the Allow box.

Excel’s data validation feature offers an efficient way to perform a variety of tasks. This collection of techniques demonstrates several handy ways to put data validation to work.

Create data validation for accuracy You can also use data validation to ensure data accuracy by restricting input to specific types, values, or ranges.

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.

Learn how to create an automated data entry form in Excel 2025 with this step-by-step guide. Boost efficiency and reduce errors and improve ...