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.

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

Click the drop-down arrow in this area and choose either of the two "Date" options. The long number in the cell with transform a date, which will be the midpoint between your two given dates.