For me, it was perhaps simple-scan, a very simple and efficient GUI to scan documents. I used it with my Brother printer / scanner and it works like a charm. Especially since I do not scan stuff often, so a program with more complex UI would have the effect that I forget how to use it until the next time.
I think MS assumes no one will use it. But having Linux builds of some of their software enhances their “MS loves Linux” marketing.
Teams is another example.
MS no longer produces an official Teams binary for Linux. (Correct me if they’ve started doing so again)
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Fair – what I meant was more about the Teams binary kind of not being needed at all (you can use the web version without it). So having a Linux binary explicitly just seems a little weird, marketing aside.