Microsoft 365 Ecosystem Overview
Understanding the Complete M365 Platform
6.1 Microsoft 365 Service Architecture
**6.1.1 Core Services Map**
Microsoft 365
├── Productivity Services│ ├── Exchange Online (Email & Calendar)│ ├── SharePoint Online (Collaboration & Storage)│ ├── OneDrive for Business (Personal Storage)│ ├── Microsoft Teams (Communication & Meetings)│ └── Microsoft 365 Apps (Office Suite)├── Security & Compliance│ ├── Microsoft Defender for Office 365│ ├── Microsoft Purview (Information Protection)│ ├── Azure Information Protection│ └── Microsoft Defender for Identity├── Device & App Management│ ├── Microsoft Intune│ ├── Configuration Manager│ └── Windows Autopilot├── Analytics & BI│ ├── Viva Insights│ ├── Power BI│ └── Delve└── Developer Platform ├── Power Platform ├── Microsoft Graph └── SharePoint Framework**6.1.2 Service Dependencies**
AAD[Azure Active Directory] --> EXO[Exchange Online] AAD --> SPO[SharePoint Online] AAD --> Teams[Microsoft Teams] SPO --> OD4B[OneDrive for Business] SPO --> Teams EXO --> Teams AAD --> Intune[Microsoft Intune] AAD --> Apps[M365 Apps] 6.2 Microsoft 365 Licensing Deep Dive
**6.2.1 License Comparison Matrix**
Feature | Business Basic | Business Standard | E3 | E5--------------------------- |---------------- |------------------- |--------- |--------Exchange Online | Plan 1 | Plan 1 | Plan 2 | Plan 2SharePoint Online | Plan 1 | Plan 1 | Plan 2 | Plan 2OneDrive Storage | 1 TB | 1 TB | 5 TB | 5 TBTeams | ✓ | ✓ | ✓ | ✓Desktop Apps | ✗ | ✓ | ✓ | ✓Advanced Threat Protection | ✗ | ✗ | ✗ | ✓eDiscovery | ✗ | ✗ | ✓ | ✓Power BI Pro | ✗ | ✗ | ✗ | ✓Phone System | ✗ | ✗ | ✗ | ✓Audio Conferencing | ✗ | ✗ | Add-on | ✓**6.2.2 Add-on Licenses**
- Microsoft Defender for Office 365 Plan 1/2
- Azure Active Directory Premium P1/P2
- Power BI Pro/Premium
- Phone System
- Audio Conferencing
- Microsoft 365 E5 Compliance
- Microsoft 365 E5 Security
Lab 6.1: License Management Systems