Learn how to create a drop-down list using Data Validation in Excel. Data Validation limits the type of data that can be entered into a cell.

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

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 ...

The article, Use a custom format in Excel to display easier to read millions uses a custom format to make large values more readable. For instance, 1,200,000 displays as 1.2 M instead—the format ...