Use Excel data validation to prevent duplicate values in a column Your email has been sent Prevent duplicates before they happen by combining a simple function with data validation. Excel has ...

I discovered artificial intelligence tool GPT Excel in my quest to cut down on all the busywork it takes to create and update ...

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 ...

Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...

Data Validation: This project demonstrates how to use Data Validation in Microsoft Excel to control and restrict user input. It includes various examples such as dropdown lists, number restrictions, ...

Select Data→Data Validation. In the Data Validation dialog box, select the Settings tab if necessary, and from the Allow drop-down list, select List. Select the Source field, then select Formulas→Use ...

Have you found this content useful? Use the button above to save it to your profile. David H Ringstrom continues his series of productivity suggestions with a tutorial explaining how to make Excel’s ...

I've got an Excel 97 worksheet in which I need to validate some cells. No problem, I'll just use Data->Validate, right? Wrong. The built in validation works well enough as long as the user doesn't ...