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 ...

Unless someone's calculator needs an upgrade, one plus one usually adds up to two. With Microsoft Excel, you can put that math to work when you input two separate columns of data into a single ...

Susan Harkins shows you how to format and unlock input cells in Excel at the same time by assigning a modified style. It’s common to highlight input cells so users know which values to change ...