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

Microsoft Excel makes it possible for users to easily get around incorrect data entries. In most cases, the user takes advantage of the data validation feature. However, there are times when this ...

I've got an Excel 97 worksheet in which I need to validate some cells. No problem, I'll just use Data->Validate, right? Wrong. The built in validation works well enough as long as the user doesn't ...

How to base a data validation dropdown on an array in Excel Now we’re ready to create the data validation dropdown that will display the unique list in column H.