The Data Validation window that pops up allows you to set your criteria in many ways. For our example, choose Whole Number for Allow:, greater than or equal to for Data:, and -700 for Minimum:.

Learn how to use a data validation control to allow users to select when to run multiple VBA procedures in Microsoft Excel.

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

The Data Validation feature in Excel 2013 offers a List option to confine selections in a cell to a preconfigured series of values. This selection can further influence the values in another list ...