Again, select the Data tab in Excel. Click on the Data Validation icon to reveal a dropdown menu. From that menu, you must select Clear Validation Circles.

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 ...

Susan Harkins shows you a quick method for removing validation rules for multiple ranges in Excel, at the same time.

Data validation in Excel allows you to create drop-down menus right inside individual cells. You can also restrict the types of values entered into different cells.