Microsoft Office 365 Enterprise

Office 365 E1

Business services such as email, file storage and sharing, Office for the web, meetings and IM (Teams), and more.

Office apps not included.

Office 365 E3

All the features included in Microsoft 365 Apps for enterprise and Office 365 E1 plus security and compliance.

Office 365 E5

All the features of Office 365 E3 plus advanced security, analytics, and voice capabilities.

Microsoft 365 Apps for enterprise

Formerly Office 365 ProPlus

Office apps plus cloud-based file storage and sharing.

Business email not included.