Office 365 (now branded as Microsoft 365) offers several Enterprise plans tailored to the needs of medium to large organizations. These plans include a mix of productivity apps, security features, compliance tools, and collaboration services. Here’s a breakdown of the main Microsoft 365 Enterprise plans as of 2025:
🔹 Microsoft 365 E1
Best for: Basic productivity and collaboration, mostly cloud-based.
- Includes:
- Web and mobile versions of Office apps (Word, Excel, PowerPoint, Outlook, etc.)
- Microsoft Teams
- OneDrive for Business (1 TB)
- SharePoint Online
- Exchange Online (50 GB mailbox)
- Yammer, Stream (legacy), Forms
- Basic security and compliance features
- Does NOT include:
- Desktop versions of Office apps
- Advanced analytics (Power BI Pro, etc.)
- Microsoft Defender, Azure AD Premium
🔹 Microsoft 365 E3
Best for: Organizations needing full Office apps, compliance, and security basics.
- Includes everything in E1, plus:
- Full desktop versions of Office apps
- Microsoft 365 Apps for Enterprise (license per user for up to 5 devices)
- Microsoft Teams with phone system add-on capability
- Exchange Online (100 GB mailbox)
- Microsoft Purview Information Protection
- Data loss prevention (DLP) for email and files
- Azure AD Premium P1 (SSO, conditional access)
- Windows 11 Enterprise (if bundled with Microsoft 365 E3)
- Shared computer activation, roaming profiles
🔹 Microsoft 365 E5
Best for: Organizations requiring advanced security, analytics, and voice.
- Includes everything in E3, plus:
- Microsoft Defender for Endpoint, Office 365, Identity, and Cloud Apps
- Azure AD Premium P2 (Identity Protection, PIM, etc.)
- Microsoft Purview with Insider Risk Management and Audit (longer retention)
- Microsoft Defender XDR (cross-product threat detection)
- Power BI Pro (included)
- Microsoft 365 Phone System (VoIP PBX features)
- Advanced compliance and eDiscovery
- Endpoint DLP, Information Barriers v2
🔹 Microsoft 365 F3 (formerly Office 365 F3, for frontline workers)
Best for: Firstline/frontline workers with limited device needs.
- Includes:
- Web/Mobile Office apps only
- Teams, OneDrive (2 GB), SharePoint
- Exchange Kiosk (2 GB mailbox)
- Basic security/compliance
- Microsoft 365 Shifts, Tasks
Summary Table
| Feature | E1 | E3 | E5 | F3 |
|---|---|---|---|---|
| Office Desktop Apps | ❌ | ✅ | ✅ | ❌ |
| Teams & OneDrive | ✅ (1 TB) | ✅ (1 TB+) | ✅ (1 TB+) | ✅ (2 GB) |
| Exchange Mailbox Size | 50 GB | 100 GB | 100 GB + Archive | 2 GB (Kiosk) |
| Advanced Security | ❌ | 🔸Basic | ✅ Full (Defender, PIM, DLP) | ❌ |
| Power BI Pro | ❌ | ❌ | ✅ | ❌ |
| Azure AD Premium | ❌ | P1 | P2 | ❌ |
| Cost (approx, USD/user/month) | ~$10 | ~$36 | ~$57 | ~$8 |