Here is a deep dive into the world of highly compressed media, the "720MB" phenomenon, and what users should know about these types of downloads. The Rise of the "720MB.zip" Standard
It hides the actual video format (like .mkv or .mp4) from basic web filters.
For users on capped mobile data plans, a 720MB file offers a sweet spot between watchable quality and low data usage.
Usually 720p (HD). While it won't look perfect on a 65-inch 4K TV, it looks excellent on a smartphone, tablet, or laptop screen.
If you unzip a file and see "MovieName.mp4.exe," do not click it. A video file will never be an .exe (executable) file.