>>
>>What if I want to extract the files into ram, without passing for a file?
>
>I don't think Shell.Application is able to do that.
>

Speed,
safety,
reliability
...
When you write a file on the filesystem,
not keep it locked,
you have no guarantee of being able to reopen after 1ms.

I apply the obvious rule:
less you use, the less things can go wrong