7zip can usually open .exe or .msi installers and see all the files.
However in the case of, for example, https://www.python.org/ftp/python/2.7.18/python-2.7.18.msi we only see:
How can we extract all files from this .msi (is should contain python.exe etc.).
Here it's just an example with Python 2.7 (which is EOL) but it's a general question.
