Exchange Online

Exchange Online is Microsoft's cloud-based email and calendaring service as part of Microsoft 365.

What is Exchange Online?

Exchange Online is Microsoft's hosted email service providing email, calendar, contacts, and tasks as part of Microsoft 365, replacing on-premises Exchange servers.

Exchange Online features

50+ GB mailbox, Calendar sharing, Mobile sync, eDiscovery, Data Loss Prevention.

Common misconceptions

"Exchange Online is less capable" — Feature parity with on-prem
"Migration is simple" — Planning required
"Exchange Online manages itself" — Administration still needed