Microsoft 365 Business Premium is an all‑in‑one plan for small and medium‑sized businesses (up to 300 users) that combines Microsoft 365 productivity apps (like Outlook, Word, Excel, PowerPoint, Teams, OneDrive, and SharePoint) with advanced security and device management (Intune, Microsoft Defender for Business, and more).

Both plans include the core Microsoft 365 apps and collaboration services. Business Premium adds advanced security and device management, including Microsoft Intune (Plan 1), Microsoft Defender for Business, Microsoft Defender for Office 365 Plan 1, and information protection in Microsoft Purview—capabilities not included in Business Standard.

Yes. Business Premium includes Intune app protection and device management to secure work data on both personal and company‑owned devices – allowing selective wipe and policy‑based controls without taking over the entire personal device.

Key security components include:

• Microsoft Defender for Business for endpoint protection (EDR/NGAV, threat and vulnerability management).
• Microsoft Defender for Office 365 Plan 1 for anti‑phishing and anti‑malware on email and collaboration.
• Microsoft Intune (Plan 1) for device and app management (Windows, macOS, iOS, Android).
• Microsoft Purview information protection and DLP for email/files.
• Microsoft Entra ID P1 (formerly Azure AD P1) for Conditional Access, self‑service password reset, dynamic groups, and more.

Yes. You can add the Microsoft Defender Suite for Business Premium to uplift capabilities (e.g., Defender for Endpoint Plan 2, Defender for Office 365 Plan 2, Defender for Identity, Defender for Cloud Apps) and Entra ID P2 features like Identity Protection and Governance.