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

WEEKNUM vs. ISOWEEKNUM in Excel Excel has two ways to track week numbers, and it's important you understand their differences before choosing which one to use.

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