Microsoft officially ended for Office 2016 on October 13, 2020, and extended support ends on October 14, 2025. That means while it still works, security patches are becoming rare.
To obtain a valid Office Professional Plus 2016 product key, follow these recommended methods: office professional plus 2016 product key github
Using GitHub or other third-party sources for Office product keys can pose significant risks, including: Microsoft officially ended for Office 2016 on October