Complete MS-900 study guide — Microsoft 365 cloud services, productivity apps, security, compliance, and licensing.
This guide works best as a loop: read a chapter, test yourself with practice questions, look up unfamiliar terms in the glossary, then move to the next chapter.
104 chapters covering every exam objective. Each chapter includes key concepts, exam tips, common traps, comparison tables, and a 5-question quiz at the end.
Start Chapter 1Free timed and untimed practice with instant feedback and full explanations. Pick 10–120 questions per session. Filter by domain to drill your weak areas.
Go to practice testEvery MS-900term defined and searchable. Use it when a chapter mentions a concept you haven't seen before or want a quick refresher on.
Browse glossaryExam blueprint, domain weights, passing score, duration, cost, and registration links. Start here if you're new to this certification.
View exam guide9 chapters
Cloud Service Types for MS-900
Objective 1.1 · Cloud Concepts M365
Benefits of Microsoft Cloud
Objective 1.2 · Cloud Concepts M365
Microsoft 365 vs Office 365: What Changed
Objective 1.1 · Cloud Concepts M365
SaaS, PaaS, IaaS in Microsoft 365
Objective 1.2 · Cloud Concepts M365
Microsoft 365 Admin Roles and Permissions
Objective 1.2 · Cloud Concepts M365
Microsoft 365 SLAs and Service Guarantees
Objective 1.2 · Cloud Concepts M365
Hybrid Microsoft 365 Deployment Models
Objective 1.2 · Cloud Concepts M365
Microsoft 365 Network Connectivity Principles
Objective 1.2 · Cloud Concepts M365
Microsoft 365 Global Service Architecture
Objective 1.2 · Cloud Concepts M365
39 chapters
Microsoft Teams
Objective 2.1 · M365 Productivity
Exchange Online
Objective 2.2 · M365 Productivity
SharePoint Online and OneDrive
Objective 2.3 · M365 Productivity
Microsoft 365 Apps
Objective 2.4 · M365 Productivity
Microsoft Intune and Endpoint Manager
Objective 2.5 · M365 Productivity
Microsoft Viva Employee Experience Platform
Objective 2.1 · M365 Productivity
Microsoft Loop and Collaborative Workspaces
Objective 2.1 · M365 Productivity
Microsoft Stream for Video
Objective 2.2 · M365 Productivity
Microsoft Forms and Microsoft Planner
Objective 2.4 · M365 Productivity
Microsoft Copilot for Microsoft 365
Objective 2.4 · M365 Productivity
Power Apps: Low-Code Application Development
Objective 2.4 · M365 Productivity
Power Automate: Workflow Automation
Objective 2.4 · M365 Productivity
Power BI in Microsoft 365
Objective 2.5 · M365 Productivity
Yammer and Microsoft Viva Engage
Objective 2.1 · M365 Productivity
OneDrive for Business
Objective 2.3 · M365 Productivity
Hybrid Exchange and Mail Migration
Objective 2.2 · M365 Productivity
Microsoft Whiteboard and Collaborative Tools
Objective 2.1 · M365 Productivity
Microsoft Bookings for Appointment Scheduling
Objective 2.1 · M365 Productivity
Microsoft Lists for Work Tracking
Objective 2.4 · M365 Productivity
Microsoft To Do and Task Management
Objective 2.4 · M365 Productivity
Microsoft Project for the Web
Objective 2.4 · M365 Productivity
Microsoft Sway for Presentations
Objective 2.4 · M365 Productivity
Microsoft Access and Power Apps Comparison
Objective 2.4 · M365 Productivity
Microsoft Teams Phone and Calling Plans
Objective 2.1 · M365 Productivity
Teams Live Events and Webinars
Objective 2.1 · M365 Productivity
SharePoint Modern Sites vs Classic Sites
Objective 2.3 · M365 Productivity
SharePoint as Intranet: Communication Sites
Objective 2.3 · M365 Productivity
OneDrive Sync Client and Known Folder Move
Objective 2.3 · M365 Productivity
Microsoft Power Platform Overview
Objective 2.4 · M365 Productivity
Power Virtual Agents and Chatbots
Objective 2.4 · M365 Productivity
Microsoft Migration Tools: SharePoint and Exchange
Objective 2.2 · M365 Productivity
Microsoft 365 Add-ins and App Integrations
Objective 2.4 · M365 Productivity
Windows 365 Cloud PC
Objective 2.5 · M365 Productivity
Exchange Online Architecture and Mail Flow
Objective 2.2 · M365 Productivity
Microsoft Loop Components and Collaboration
Objective 2.1 · M365 Productivity
Microsoft Teams Rooms and Meeting Devices
Objective 2.1 · M365 Productivity
Shared Mailboxes and Distribution Lists
Objective 2.2 · M365 Productivity
Microsoft 365 Connectors and Webhooks
Objective 2.4 · M365 Productivity
Azure Virtual Desktop (AVD)
Objective 2.5 · M365 Productivity
40 chapters
Microsoft 365 Compliance
Objective 3.2 · M365 Security
Data Governance and Retention
Objective 3.4 · M365 Security
Microsoft 365 Security Center
Objective 3.1 · M365 Security
Identity Protection in M365
Objective 3.3 · M365 Security
Exchange Online Protection (EOP)
Objective 3.1 · M365 Security
Microsoft Defender for Office 365
Objective 3.1 · M365 Security
MFA and Conditional Access in M365
Objective 3.3 · M365 Security
Sensitivity Labels and Azure Information Protection
Objective 3.4 · M365 Security
Retention Labels and Compliance
Objective 3.4 · M365 Security
eDiscovery in Microsoft 365
Objective 3.2 · M365 Security
Microsoft Entra ID (Azure AD) in M365
Objective 3.3 · M365 Security
Data Loss Prevention (DLP) in Microsoft 365
Objective 3.4 · M365 Security
Microsoft 365 Auditing and Activity Reports
Objective 3.2 · M365 Security
Microsoft 365 Alert Policies
Objective 3.1 · M365 Security
Microsoft Defender for Business
Objective 3.1 · M365 Security
Intune Device Compliance and Configuration Policies
Objective 3.3 · M365 Security
Azure AD Join vs Hybrid Azure AD Join vs Workplace Join
Objective 3.3 · M365 Security
Microsoft Entra External Identities (B2B)
Objective 3.3 · M365 Security
Privileged Identity Management (PIM) in M365
Objective 3.3 · M365 Security
Entra ID Access Reviews
Objective 3.3 · M365 Security
Identity Governance and Entitlement Management
Objective 3.3 · M365 Security
Microsoft Defender for Endpoint in M365
Objective 3.1 · M365 Security
Microsoft Sentinel Integration with M365
Objective 3.1 · M365 Security
Microsoft Compliance Manager and Score
Objective 3.2 · M365 Security
Microsoft Purview Information Protection
Objective 3.4 · M365 Security
Records Management in Microsoft 365
Objective 3.4 · M365 Security
Communication Compliance in Microsoft 365
Objective 3.4 · M365 Security
Insider Risk Management in Microsoft 365
Objective 3.4 · M365 Security
Microsoft 365 Privacy Features and Trust Centre
Objective 3.2 · M365 Security
Microsoft 365 Governance Policies and Controls
Objective 3.2 · M365 Security
Cross-Tenant Access Policies in Entra ID
Objective 3.3 · M365 Security
External Sharing in SharePoint and OneDrive
Objective 3.4 · M365 Security
Zero Trust Security Principles in Microsoft 365
Objective 3.3 · M365 Security
Attack Simulator in Microsoft Defender
Objective 3.1 · M365 Security
Anti-Phishing Policies in Microsoft 365
Objective 3.1 · M365 Security
Archiving and In-Place Archive in Exchange
Objective 3.4 · M365 Security
Securing Microsoft 365 Apps: OAuth and App Consent
Objective 3.3 · M365 Security
M365 Data Portability and Export
Objective 3.4 · M365 Security
Microsoft 365 Compliance Certifications (ISO, SOC)
Objective 3.2 · M365 Security
Azure Information Protection (AIP) Labels
Objective 3.4 · M365 Security
15 chapters
Microsoft 365 Licensing Plans
Objective 4.1 · M365 Pricing
Billing and Subscription Management
Objective 4.2 · M365 Pricing
Microsoft 365 Support Options
Objective 4.3 · M365 Pricing
M365 Business Basic, Standard, Premium vs E3/E5
Objective 4.1 · M365 Pricing
Microsoft 365 Backup and Veeam Options
Objective 4.2 · M365 Pricing
FastTrack for Microsoft 365 Deployment
Objective 4.3 · M365 Pricing
Microsoft 365 Service Health Dashboard
Objective 4.3 · M365 Pricing
Microsoft 365 Message Centre and Change Management
Objective 4.3 · M365 Pricing
Microsoft 365 Apps Deployment Models
Objective 4.1 · M365 Pricing
Microsoft 365 Education Plans
Objective 4.1 · M365 Pricing
Microsoft 365 Frontline Worker Features
Objective 4.1 · M365 Pricing
Microsoft 365 Product Lifecycle and End of Life
Objective 4.3 · M365 Pricing
Microsoft 365 Usage Reports and Analytics
Objective 4.2 · M365 Pricing
Microsoft 365 Roadmap and Preview Features
Objective 4.3 · M365 Pricing
Microsoft 365 Admin APIs and Graph API Basics
Objective 4.2 · M365 Pricing
Free MS-900 practice questions with full explanations. Test what you learn chapter by chapter.
MS-900 Practice Questions