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 ...

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 ...

Q: I have an Excel spreadsheet that I update weekly with our employees ... Fortunately, you can automate this task using Data Validation tools. I have created an example spreadsheet to mimic the issue ...

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 ...

Analyzing large datasets in Excel can often feel overwhelming, but using dynamic summaries with drill-down capabilities can significantly enhance your workflow. Whether you’re tracking sales ...

In this guide by the team over at My Online Training Hub ... lists current, use data validation lists that automatically include new items. Set up your list in an Excel table, which is dynamic ...