Actually one of the very few really good MS products at all? Visual Studio is also great and widely adopted. But what else do they have? I had some good exper

Actually one of the very few really good MS products at all? Visual Studio is also great and widely adopted. But what else do they have? I had some good experiences with Exchange years ago, but this is just my personal experience, since most people seem to hate it. What else do they have that is considered a good/solid product that you would recommend to someone?