Professional e-mail features with 50 GB mailbox per user

All features of Exchange Online Plan 1 plus unlimited storage

Office 365 ProPlus is a version of Office that's available through Office 365. It includes the applications that you're familiar with, including Access, Excel, OneNote, Outlook, PowerPoint, Publisher, Skype for Business, and Word. You can use these applications to connect with Office 365 services such as SharePoint Online, Exchange Online, and Skype for Business Online.

Azure is a comprehensive set of cloud services that developers and IT professionals use to build, deploy, and manage applications through our global network of datacenters.