Always the latest version of Office
Office 365 on laptop, tablet and mobile
Office 365 E1 [New Commerce Experience]
Microsoft Office 365 E1 includes Office Online, hosted email with a 50 GB mailbox per user, team sites to promote collaboration, and Skype for Business conferencing.
Office 365 E3 [New Commerce Experience]
Microsoft Office 365 E3 includes fully installed Office applications across multiple devices, email hosting, HD video conferencing, and features to support compliance.