Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hello,
An Office product key uses a combination of 25 letters and numbers in this format:
XXXXX-XXXXX-XXXXX-XXXXX-XXXXX

The way you can find your product key depends on how you got Office 365, Office 2016, or Office 2013. Click this linkand select how you got Office from the options below on How to find your product key.
Let us know with the outcome.