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

Data validation in Excel lets you restrict what can be entered into a cell, whether whole numbers, decimals, dates, or a certain number of characters. However, one of the most powerful capabilities of ...

Microsoft Excel lets you create simple forms that your users can enter data. To save them time and make sure you get the information you need, you can create a drop-down box that limits the users to ...

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 ...