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 ...

Select all the relevant cells, and in the Data tab, click the main part of the split "Data Validation" button. Then, click ...

Purchase orders are essential business documents between a buyer and seller that outline goods or services to be provided along with agreed prices and delivery terms. Microsoft Excel offers an ...