I should be able to block from group of users a file transfer from group of users. There is a CMDLet for this:
But even that looks very promising, it is highly limited: "This parameter is reserved for internal Microsoft use.".
There is also an another:
On there I could change the settings, but that seems to not impact to the Teams meeting, I'm still able to send files.
Any other options available?
No need to advice user voice :) That seems to not help, here is a propose from 2018 (disable file share ) and but no attention from Microsoft :(