Business Premium: Up to 300 Users, Desktop & web versions of Office applications, access to Exchange Online. Best for businesses that need business email, Office applications, and other business services on PC, Mac, or mobile.

Enterprise E1: Business services—email, file storage and sharing, Office Online, meetings and IM, and more. Office applications not included.

Enterprise E3: All the features of Office 365 E1 plus  desktop versions of applications, security and compliance tools, such as legal hold, data loss prevention, and more.

Enterprise E5: All the features of Office 365 E3 plus advanced security, analytics, and voice capabilities.

Click to see the differences

Plan 1: Best for users who need to create and share simple diagrams in a favorite browser. Includes 2 GB of OneDrive storage. ONLINE ONLY

Plan 2: Best for users who need to create professional business and IT diagrams that meet industry standards and can be connected to data. INCLUDES DESKTOP APPLICATION

Plan 1: Best for businesses that need file sharing and OneDrive storage.

• 1 TB of OneDrive storage per user
• Store files up to 15 GB in size

Plan 2: Best for businesses that need file sharing and OneDrive storage with advanced security and compliance capabilities

Includes all OneDrive for Business Plan 1 benefits and more.

• Unlimited personal cloud storage  Tooltip with information about unlimited personal cloud storage
• Advanced data-loss prevention to identify, monitor, and protect sensitive information
• In-Place Holds to preserve deleted and edited documents for eDiscovery

Essentials: Project team member collaboration in the cloud, via web browser or mobile.

Professional: Project management in the cloud through desktop client and web browser.

Premium: Complete cloud-based project and portfolio management solution.