Excel drop-down lists, like those found on Web pages, help you view large amounts of data in a small area. They are also useful for limiting the choices an Excel spreadsheet user can make when editing ...

Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...

Excel’s data validation feature offers an efficient way to perform a variety of tasks. This collection of techniques demonstrates several handy ways to put data validation to work. From the ebook: ...

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 ...

One way businesses can save time and money is using Excel spreadsheets as data tables in which to store customer information, inventory details or other important data. Excel has several features that ...