It’s going to be open-source, so I’d bet that Microsoft will package some kind of on-prem server like Exchange and SharePoint if enterprise demands it. But sinc

It’s going to be open-source, so I’d bet that Microsoft will package some kind of on-prem server like Exchange and SharePoint if enterprise demands it. But since lots of enterprises are moving to Office 365 anyway (including big banks that historically had massive security requirements), if Microsoft can make a security SLA, maybe it’s enough?