you can use the built-in tool to get the job done. Data validation is like setting the group rules for your Excel cells. It ensures that only the right kind of data gets in and eliminates any ...

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 ...

Excel for the web supports custom formats and data validation. Phone numbers have 10 numeric digits and generally use the (xxx) xxx-xxxx format. Let’s breakdown our requirements for a phone ...