It is really easy to create compressible files on your own system to do various tests!
of these files is not possible with 7-Zip, this can not be compressed
as this fail, all other compression algorithms. It's the nature of things that random numbers can not be compressed. By the way, the random number
algorithm used is many times faster
than the standard algorithms it has been successful tested on the following operating systems: Windows 10 Pro, Enterprise, Home, Windows 8.1, Windows 8, Windows-Server 2019, 2016, 2012, Windows 7 Basic, Professional, Starter, Ultimate.