How to block file transfer on Teams meetings with externals?

Super Contributor


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 :(


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