: Most "free" keys found on forums or GitHub gists are either stolen, part of a volume license being illegally resold, or have already been disabled by Microsoft. Volume License Abuse : Office Professional Plus is a Volume License
Understanding Microsoft Office Professional Plus 2016: Features and Licensing : Most "free" keys found on forums or
Websites claiming to offer "free verified" keys often pose significant risks: : Most "free" keys found on forums or
Retail keys are found in physical boxes, while digital keys are sent via email. When looking for a verified key, ensure you are obtaining it from a reputable Microsoft partner to avoid "grey market" keys that may be deactivated after a few months. Risks of "Free" Product Key Lists : Most "free" keys found on forums or
Most Professional Plus versions are distributed via Volume Licensing (VL) for organizations.