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

Discover how marketing data validation improves campaign accuracy, ensures compliance, and boosts personalization for stronger engagement and conversions.

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.

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 ...

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 ...

How do I remove Data Validation restrictions from a cell? You can remove the Data Validation restrictions from a cell or a range of cells by opening the Data Validation window.

Take advantage of data annotations to decorate your models using attribute tags so that your application’s data definition can be managed in a single place.