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 ...

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 ...

Select all the relevant cells, and in the Data tab, click the main part of the split "Data Validation" button. Then, click ...

Windows may get all the attention, but when you want to get real work done, you turn to the applications that run on it. And if you use spreadsheets, that generally means Excel. Excel is, of course, ...

Sometimes you need to scan some files for a piece of data like a string, phrase or some number, and one of those files just happens to be an Excel spreadsheet. You could open up the file, launch the ...