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.

Excel offers several easy ways to calculate expiry dates. This post explores different ways to automate expiry date calculations in Excel.

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

This is the demonstration file to accompany the article, How to convert a birth date to an age without an expression using Microsoft Excel Power Query, by Susan Harkins. From the hottest ...