What are M365 Services?
Microsoft 365 (M365) is a cloud-based productivity and security platform from Microsoft that combines applications, identity management, collaboration tools, cloud storage, and device management into a single ecosystem.
Organizations use Microsoft 365 to:
- Manage user identities and access (Azure AD)
- Communicate using email, chat, voice, and meetings (Exchange & Teams)
- Collaborate on documents securely (OneDrive & SharePoint)
- Manage devices and applications (Intune)
- Apply security, compliance, and governance controls (Security & Compliance)
M365 services are tightly integrated with Azure Active Directory (Azure AD) (now called Microsoft Entra ID) and hosted on Microsoft’s global cloud infrastructure.
Core Components of Microsoft 365
Microsoft 365 is not a single product—it is a collection of cloud services. Below are the core technologies covered on this website.
1. Microsoft 365 Licensing
Microsoft 365 licenses determine which services, features, and security capabilities a user can access.
Common License Types
- Microsoft 365 Business Basic / Standard / Premium
- Microsoft 365 E3 / E5
- Office 365 E1 / E3 / E5
- Add‑ons (Defender, Intune, Power BI, Audio Conferencing, etc.)
2. Exchange Online
Exchange Online is Microsoft’s cloud-based service providing secure business email and calendaring
Key Features
- Business email hosting
- Mail flow and spam protection
- Shared Mailboxes, Distribution lists and Microsoft 365 Groups
- Calendars and meeting scheduling