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 ...

Drop-down lists in an Excel sheet can greatly facilitate data entry. Here's a look at how to use Microsoft Excel's data validation feature to create handy lists within your worksheets. An Excel ...