Enterprise E3
full suit : Office apps + cloud services

$20 user/month

Pro Plus
Office apps + One Drive

$12 user/month

Enterprise E1
clous services

$8 user/month

Office 365 EnterprisesProPlusEnterprise E1EnterpriseE3
Price per user per month $USD (with annual commitment)$12$8$20
Seat CapUnlimitedNANA
24/7 phone support from Microsoft1All issuesNANA
Install Office desktop applications on up to 5 computers per user (Office)ProPlus3NAProPlus3
Access to Office apps and documents from all major smartphones and iPadNA
Office Online - online versions of core Office apps for collaborating on documents
OneDrive for Business – 1TB personal online document storage
Email - 50 GB email, contacts, shared calendars (Exchange)NA
Online meetings - Web conferencing, IM, video, presence (Lync)NA
Sites - team collaboration & internal portals, public website (SharePoint)NA
Private social networking (Yammer)NA
On-premises Active Directory synchronization for single sign on
Supports hybrid deployment with on-premises servers
Upcoming services: Oslo, Video content managementNA
Legal compliance & archiving needs for email – archiving, eDiscovery, mailbox holdNANA
Information protection – message encryption, rights management, data loss preventionNANA

Office 365 Enterprise E3 includes:

Familiar Office tools

Microsoft Office 365 Enterprise plan E3 license comes with a license for Office ProPlus.Thus, the users can use the latest version of Microsoft Office and activate it with their. Office 365 IDs that have an E3 plan license assigned. Moreover, the ID can be used to activate 5 devices.

Microsoft Office 365 Enterprise plan E3 license also comes with a license for OneDrive for Business. The users get 1 TB of cloud storage space. By default documents are private i.e. only accessible by the user but they can also be shared with other user as well. Email attachments can be stored directly to OneDrive and in the same way, documents saved in OneDrive can be sent as email attachments. OneDrive for Business can be installed on the client and can also be accessed through the browser using the credentials.

Delve is another feature of Office 365 which works on Artificial intelligence technology.Here user can see all his  work personalized together i.e. documents, emails etc. that are frequently accessed. Skype for Business meeting requests can also be sent via Delve to frequently contacted users.

Lync has now been rebranded as Skype for Business. Skype for Business includes the features of both Lync and Skype. Interesting UI, Screen sharing, online conferencing both audio and video are the interesting features of Skype for Business.

Users can also access sites and share files across the organization. Sites need to be created by the SharePoint administrator. If a site created by the administrator is shared
with everyone then every user in the organization will able to access site and the documents stored in it. All site related activities i.e. storage quota etc. is assigned by Office 365 SharePoint administrator.

Yammer-Logo

Yammer is a corporate social network. It can be used as a medium for socializing across the Organization. 

Exchange Online in Office 365 Enterprise plan E3 comes with an Online archiving license by default. If online archiving is enabled for the user, the user gets an unlimited online archiving storage quota. Also, litigation hold can be enabled for users that have Exchange Online Archiving enabled. 

Services included in Office 365 Enterprise Plans E1 and E3:

ServiceOffice 365 Enterprise E1Office 365 Enterprise E3
Office 365 PlatformYesYes
Exchange OnlineYesYes
SharePoint OnlineYesYes
OneDrive for BusinessYesYes
Skype for Business OnlineYesYes
Office OnlineYesYes
Office 365 ProPlusNoYes
Office 365 BusinessNoNo
Project OnlineNoNo
Yammer EnterpriseYesYes
Azure Rights Management (RMS)NoYes