In this article we will show you how to display multiple columns in a validation list in Excel. We will show you a method that can then be applied to your data. To create a validation list with ...

When multiple data variables are accommodated in a project, the time and spatial grids of those variables must be identical. As such, you must control the data other people enter. That’s when you need ...

If you see the error “This value doesn’t match the data validation restrictions defined for this cell” when entering a value in an Excel cell, the solutions ...