Excel offers several easy ways to calculate expiry dates based on days, months, or business rules. In this post, we’ll explore different ways to automate expiry date calculations in Excel.

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.

A TechRepublic member wrote for advice on calculating the years, months, and days elapsed between two dates. This tutorial explains the solution provided by TechRepublic contributor Jeff Davis.

Q. Is there an easy way to calculate how long in years and months the employees have been working for my company? A. Excel can do that, as long as you’ve listed all the employees in a database. If so, ...

This will calculate the difference in months, ignoring the years and the days. Now taking the same example as above, follow these steps to use the DATEDIF function to count days in Excel: ...