Microsoft Office 365 Enterprise plans offer comprehensive productivity solutions for large organizations seeking robust security, advanced compliance features, and intelligent cloud services. These subscription-based packages combine the familiar Office applications with enterprise-grade email, collaboration tools, and device management capabilities. The tiered offerings—E1, E3, and E5—provide increasing levels of functionality, with higher tiers including advanced security features like threat protection, data loss prevention, and eDiscovery capabilities. Organizations benefit from centralized administration, seamless updates, and scalable licensing that adapts to changing business needs. With flexible deployment options and integration across Microsoft's cloud ecosystem, Office 365 Enterprise plans enable businesses to enhance productivity while maintaining the security and compliance standards required in today's complex business environment.
Microsoft 365 on the web with create and edit rights for online versions of core Microsoft 365 apps
Email, file storage, and file sharing
1 TB of OneDrive cloud storage
Anytime phone and web support
Microsoft 365 Copilot, available as an add-on
Teams available as add-on
Install Microsoft 365 apps on up to five PCs or Macs, five tablets, and five mobile devices per user
Message encryption
Rights management
Data loss prevention for email and files
Microsoft 365 Copilot, available as an add-on
Teams available as add-on
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Microsoft 365 apps for desktop and mobile
Windows for Enterprise
1 TB of cloud storage
Core security and identity management capabilities
Microsoft 365 Copilot, available as an add-on
Teams available as add-on
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Advanced security and compliance capabilities
Scalable business analytics with Power BI
Microsoft 365 Copilot, available as an add-on
Teams available as add-on
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Features | Office 365 E1 | Office 365 E3 | Microsoft 365 E3 | Microsoft 365 E5 |
---|---|---|---|---|
Core Applications | ||||
Web versions of Office apps | ✓ | ✓ | ✓ | ✓ |
Desktop versions of Office apps | ✗ | ✓ | ✓ | ✓ |
Mobile versions of Office apps | ✓ | ✓ | ✓ | ✓ |
Email and Calendar | ||||
Exchange Online | ✓ | ✓ | ✓ | ✓ |
Mailbox size | 50 GB | 100 GB | 100 GB | 100 GB |
Outlook | Web only | ✓ | ✓ | ✓ |
Communication Tools | ||||
Microsoft Teams | Available as an add-on | Available as an add-on | Available as an add-on | Available as an add-on |
Microsoft Teams Phone | Available as an add-on | Available as an add-on | Available as an add-on | Available as an add-on |
File Storage and Sharing | ||||
OneDrive for Business | 1 TB | 1 TB to 5 TB | 1 TB to 5 TB | 1 TB to 5 TB |
SharePoint Online | ✓ | ✓ | ✓ | ✓ |
Security and Compliance | ||||
Basic data loss prevention | ✗ | ✓ | ✓ | ✓ |
Advanced data loss prevention | ✗ | ✗ | ✗ | ✓ |
Azure Information Protection | ✗ | Plan 1 | Plan 1 | Plan 2 |
eDiscovery | Basic | Standard | Standard | Advanced |
Customer Lockbox | ✗ | ✗ | ✗ | ✓ |
Device and App Management | ||||
Windows 10/11 Enterprise | ✗ | ✗ | ✓ | ✓ |
Microsoft Intune | ✗ | ✗ | ✓ | ✓ |
Azure Active Directory Premium | ✗ | ✗ | P1 | P1 & P2 |
Advanced Analytics | ||||
Power BI Pro | ✗ | ✗ | ✗ | ✓ |
MyAnalytics | Basic | ✓ | ✓ | ✓ |
Advanced Security | ||||
Microsoft Defender for Office 365 | ✗ | ✗ | Plan 1 | Plan 2 |
Microsoft Defender for Identity | ✗ | ✗ | ✗ | ✓ |
Microsoft Defender for Endpoint | ✗ | ✗ | ✗ | ✓ |
Cloud App Security | ✗ | ✗ | ✗ | ✓ |
Compliance Features | ||||
Insider Risk Management | ✗ | ✗ | ✗ | ✓ |
Communication Compliance | ✗ | ✗ | ✗ | ✓ |
Information Barriers | ✗ | ✗ | ✗ | ✓ |