Also, when clicking on their "web client", you immediately get a cab file (windows installer file) download request. I'm on Linux. What am I supposed to do with

Also, when clicking on their "web client", you immediately get a cab file (windows installer file) download request. I'm on Linux. What am I supposed to do with that file? It's like the SfB team still lives in the "everybody uses Windows" mindset of the 90's. The only alternative on Linux is tel.red, which works, but only for an incredibly loose definition of the word "work". I've never used a buggier piece of software.