Office 365 Enterprise E5 includes new features, such as Skype for Business Dial-in Conferencing and Meeting Broadcast, Power BI Pro, Delve Analytics, and advanced security and compliance features, such as Advanced eDiscovery, Advanced Security Management, Advanced Threat Protection, and Customer Lockbox.
This article contains help topics and other information to help you get started with E5.
Introduction to Office 365 Enterprise E5
Office 365 Enterprise E5 top resources
Skype for Business
Advanced security and compliance features