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 built-in ...

Reversing the order of a column would be easy if the column was already listed alphabetically or sequentially; you would just sort in the other direction. However, data may not be in alphabetical or ...

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. To create a validation list with ...