If you've used data validation in Excel before, you probably selected the relevant cells, clicked "Data Validation" in the ...

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 ...

Microsoft on Thursday leaned more heavily into its support for “data types” within Excel, going beyond the staid concept of numbers and formulas to embrace a huge variety of elements that could reside ...