Excel may return a serial number instead of a date; because it is stored thus in the backend. Learn how to convert Serial Number to Date.

We show you how to use Excel to count days between two dates using the DAYS, DATEDIF, NETWORKDAYS, and TODAY functions, and Subtraction.

Use Microsoft Excel's TODAY() function in simple expressions to highlight the current date and past and future dates.

Microsoft Word has a date field, but it's not easy to use in an expression. If you need to update dates in a document, use Excel to calculate the dates and then run a mail merge.

One of the many features of Excel is being nosy. That's right, you can quickly calculate a persons age as long as you have their birth date.