If you want to create a data validation with a larger number of options, reference a formula instead as demonstrated above. Used to add time restrictions. The example below shows how to add a ...

Whenever anyone enters text beyond the restriction, you can show the error message explaining the validation. In this article I will let you know how to create or add ...

To apply data validation to a cell or a range of cells, select them and go to the Data tab and click on Data Validation. A dialog box will open where you can choose the type of validation you want ...

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 ...