This MS-900 practice question tests your understanding of describe microsoft 365 pricing, licensing, and support. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which THREE factors should an organization consider when choosing between Microsoft 365 Business Premium and Microsoft 365 E3?
Compliance capabilities
E3 offers more advanced compliance features than Business Premium.
Maximum number of users allowed
Business Premium is limited to 300 users; E3 has no limit.
Availability of phone support
Why wrong: Both plans include phone support.
Support for Mac users
Why wrong: Both plans support Mac users.
Advanced security features included
Business Premium includes Microsoft Defender for Business; E3 includes basic security.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Compliance capabilities
Compliance capabilities (A) are a key differentiator because Microsoft 365 Business Premium includes compliance features like Microsoft Purview Information Protection and Data Loss Prevention (DLP) for up to 300 users, while E3 offers a broader set of compliance tools such as eDiscovery, Advanced Audit, and Communication Compliance, which are essential for regulated industries. The maximum number of users (B) differs: Business Premium is capped at 300 users, whereas E3 has no upper limit, making it suitable for larger enterprises. Advanced security features (E) like Microsoft Defender for Office 365 Plan 1 are included in Business Premium, but E3 includes Defender for Office 365 Plan 2 and additional security capabilities such as Microsoft Entra ID P1, which provides conditional access and identity protection.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Compliance capabilities
Why this is correct
E3 offers more advanced compliance features than Business Premium.
Related concept
Read the scenario before looking for a memorised answer.
Maximum number of users allowed
Why this is correct
Business Premium is limited to 300 users; E3 has no limit.
Related concept
Read the scenario before looking for a memorised answer.
Availability of phone support
Why it's wrong here
Both plans include phone support.
Support for Mac users
Why it's wrong here
Both plans support Mac users.
Advanced security features included
Why this is correct
Business Premium includes Microsoft Defender for Business; E3 includes basic security.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often assume phone support or Mac compatibility are tier-dependent, when in fact both are available across all Microsoft 365 plans, and the real differentiators are user count limits, advanced security, and compliance depth.
Detailed technical explanation
Under the hood, the licensing difference between Business Premium and E3 is governed by the service plan SKUs: Business Premium uses the 'Microsoft 365 Business' service plan family with a 300-user limit enforced at the tenant level, while E3 uses the 'Enterprise' service plan family with no user cap and includes additional compliance workloads like Microsoft Purview Advanced Audit (which logs up to 150 events per user per year) and eDiscovery (Premium). In a real-world scenario, a company with 250 users in healthcare would choose Business Premium for its cost-effective compliance and security, but if they exceed 300 users or require advanced eDiscovery for litigation, they must migrate to E3.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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FAQ
Describe Microsoft 365 pricing, licensing, and support — This question tests Describe Microsoft 365 pricing, licensing, and support — Read the scenario before looking for a memorised answer..
The correct answer is: Compliance capabilities — Compliance capabilities (A) are a key differentiator because Microsoft 365 Business Premium includes compliance features like Microsoft Purview Information Protection and Data Loss Prevention (DLP) for up to 300 users, while E3 offers a broader set of compliance tools such as eDiscovery, Advanced Audit, and Communication Compliance, which are essential for regulated industries. The maximum number of users (B) differs: Business Premium is capped at 300 users, whereas E3 has no upper limit, making it suitable for larger enterprises. Advanced security features (E) like Microsoft Defender for Office 365 Plan 1 are included in Business Premium, but E3 includes Defender for Office 365 Plan 2 and additional security capabilities such as Microsoft Entra ID P1, which provides conditional access and identity protection.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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