We are including OFFICE WEB Apps included in E1, which enables even more of our customers to get use of Office Web Apps while simplifying our lineup. E2 will continue to be available for existing customers.

I've seen a bit of confusion about what constitutes an upgrade vs. an update in Office 365 land. The EASIEST way to think about this is an upgrade is a whole new version of Office 365 (similar to what a new release would be in Exchange, SharePoint, Lync and/or Office). An update is a SET of more minor FIXES and updates, which the Office 365 team has said it plans to provide quarterly to those using the hosted services.

We are including Office Web Apps included in E1, which enables even more of our customers to get use of Office Web Apps while simplifying our lineup. E2 will continue to be available for existing customers.

I've seen a bit of confusion about what constitutes an upgrade vs. an update in Office 365 land. The easiest way to think about this is an upgrade is a whole new version of Office 365 (similar to what a new release would be in Exchange, SharePoint, Lync and/or Office). An update is a set of more minor fixes and updates, which the Office 365 team has said it plans to provide quarterly to those using the hosted services.