Before we proceed, I want to emphasize that using activators or cracks to activate Microsoft Office may be against the terms of service and potentially harmful to your system. It's recommended to purchase a legitimate copy of Microsoft Office or use the free alternatives like Microsoft Office Online or LibreOffice.

That being said, here's a guide on how to activate Office 2016 using a text file and CMD:

An Office 2016 activator is a tool that generates a product key or activates the software without a valid product key. There are various types of activators available, including text file-based activators.