This is a 100MB .exe or .zip file. When you run it, it does not install Office. Instead, it opens a torrent client or a direct download link to a genuine, unmodified 3GB Office 2016 ISO. In this case, the "100MB" is just the installer’s launcher. You still need to download 3GB.
Do not download "Highly Compressed" versions of Office. The technical feasibility of compressing a functional Office suite into 100MB is virtually non-existent. The risk of infecting your computer with malware is extremely high. Stick to official Microsoft channels or free, reputable open-source alternatives. ms office 2016 highly compressed 100mb full
To understand why "MS Office 2016 100MB Full" is a myth, you need to understand how file compression works. This is a 100MB
If you need real MS Office 2016, accept the size. However, you can reduce the footprint: In this case, the "100MB" is just the installer’s launcher
The search for "ms office 2016 highly compressed 100mb full" is a digital ghost chase. You will not find the full version at that size. What you will find are time-wasting downloaders, broken software, and dangerous malware designed to steal your data.
Remember: If a 3GB software suite is offered as 100MB, someone is lying to you. The laws of data compression are absolute.
Instead of risking malware for a "100MB" fantasy, use these legal, lightweight solutions.