MS-900 Microsoft 365 Fundamentals Guide 2026
Master Microsoft 365 cloud concepts, productivity services, and licensing. Complete fundamentals guide for beginners entering the Microsoft ecosystem.
What is MS-900?
The MS-900: Microsoft 365 Fundamentals certification validates foundational knowledge of Microsoft 365 services, cloud concepts, and licensing options. This entry-level certification is perfect for anyone starting their journey with Microsoft productivity solutions.
Quick Facts
- Exam Code: MS-900
- Duration: 60 minutes
- Questions: 40-60 questions
- Passing Score: 700/1000
- Cost: $99 USD
- Prerequisites: None
Exam Domains & Weightings
10-15%Describe cloud concepts
45-50%Describe Microsoft 365 apps and services
25-30%Describe security, compliance, privacy, and trust
10-15%Describe Microsoft 365 pricing, licensing, and support
Key Topics to Master
1. Cloud Concepts
- Public, private, and hybrid cloud
- IaaS, PaaS, SaaS models
- Benefits of cloud services
- Microsoft cloud ecosystem
2. Microsoft 365 Services
- Microsoft Teams collaboration
- SharePoint and OneDrive
- Outlook and Exchange Online
- Microsoft Viva and Copilot
3. Security & Compliance
- Microsoft Entra ID basics
- Microsoft 365 Defender
- Compliance center overview
- Data protection features
4. Licensing & Support
- M365 license types (Business, Enterprise)
- Subscription management
- Support options and SLAs
- Cost management
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