You may be well-accustomed to using cell references in Excel, but did you know you could go one step further and create your ...

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 ...

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

Launch Microsoft Excel. Enter data into the spreadsheet or use existing data. Select the cell you want to place the result Enter the formula Press Enter. Launch Microsoft Excel. Enter your data or use ...