Exactly! (I was a certified Exchange admin, in the 1990s, and have cleaned up several big corporate systems that collapsed.) It is not the tool you want for b

Exactly! (I was a certified Exchange admin, in the 1990s, and have cleaned up several big corporate systems that collapsed.) It is not the tool you want for business-critical shared network data stores. And yet, the pairing of Exchange and Outlook is THE MS critical tool that's won them a million corporate accounts. That's a million corporates, of course. Not seats. Hundreds of millions of seats.