- A
Microsoft 365 E5 Compliance add-on
This add-on includes advanced compliance features: unlimited archiving, retention labels and policies (7-year retention), litigation hold, and auto-labeling with trainable classifiers for sensitive data.
- B
Microsoft 365 E5 Security add-on
Why wrong: The Security add-on provides advanced threat protection (e.g., Defender for Office 365 Plan 2, Defender for Endpoint) but does not include the compliance features needed for retention and labeling.
- C
Upgrade all users to Microsoft 365 E5
Why wrong: Upgrading to E5 would meet the requirements but is more expensive than adding only the Compliance add-on, which is sufficient for the stated needs.
- D
Exchange Online Archiving add-on
Why wrong: This add-on provides unlimited archiving and holds for Exchange but does not include retention policies for 7 years or automatic classification and labeling of content.
Microsoft 365 E5 Compliance Add-On Overview
This MS-900 practice question tests your understanding of describe microsoft 365 pricing and support. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. A key principle to apply: microsoft 365 E5 Compliance add-on includes Microsoft Purview eDiscovery (Premium).. 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.
A multinational organization with 5,000 users currently has Microsoft 365 E3 licenses. They must comply with a regulation that requires all Exchange Online mailbox data to be retained for 7 years (including deleted items) and the ability to place all mailboxes on litigation hold. They also need to automatically detect and label sensitive content such as passport numbers. What is the minimum licensing addition to meet all these requirements?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"minimum / minimize"Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Microsoft 365 E5 Compliance add-on
The Microsoft 365 E5 Compliance add-on provides the required capabilities: litigation hold and a 7-year retention policy for Exchange Online mailboxes via Microsoft Purview, plus automatic detection and labeling of sensitive content like passport numbers using sensitivity labels and data loss prevention (DLP) policies. The E3 base license lacks these advanced compliance features, making the E5 Compliance add-on the minimum addition.
Key principle: Microsoft 365 E5 Compliance add-on includes Microsoft Purview eDiscovery (Premium).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Microsoft 365 E5 Compliance add-on
Why this is correct
This add-on includes advanced compliance features: unlimited archiving, retention labels and policies (7-year retention), litigation hold, and auto-labeling with trainable classifiers for sensitive data.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Microsoft 365 E5 Compliance add-on includes Microsoft Purview eDiscovery (Premium).
- ✗
Microsoft 365 E5 Security add-on
Why it's wrong here
The Security add-on provides advanced threat protection (e.g., Defender for Office 365 Plan 2, Defender for Endpoint) but does not include the compliance features needed for retention and labeling.
- ✗
Upgrade all users to Microsoft 365 E5
Why it's wrong here
Upgrading to E5 would meet the requirements but is more expensive than adding only the Compliance add-on, which is sufficient for the stated needs.
- ✗
Exchange Online Archiving add-on
Why it's wrong here
This add-on provides unlimited archiving and holds for Exchange but does not include retention policies for 7 years or automatic classification and labeling of content.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse the E5 Security add-on with the E5 Compliance add-on, assuming security features cover compliance needs, but Microsoft separates these into distinct add-ons with different capabilities.
Detailed technical explanation
How to think about this question
Litigation hold in Exchange Online preserves all mailbox content, including deleted items and versions, indefinitely until released, which satisfies the regulation's requirement. The 7-year retention is implemented via a Microsoft Purview retention policy applied to Exchange mailboxes, which can be set to retain data for a specific period and then delete it. Automatic detection of passport numbers relies on built-in sensitive information types (e.g., 'Passport Number') in Microsoft Purview DLP, which can trigger auto-labeling with sensitivity labels; this requires the E5 Compliance add-on because E3 only supports manual or basic labeling without DLP auto-classification.
KKey Concepts to Remember
- Microsoft 365 E5 Compliance add-on includes Microsoft Purview eDiscovery (Premium).
- It provides advanced retention policies and labels for data governance.
- The add-on enables auto-labeling of sensitive content using trainable classifiers.
- It supports placing mailboxes on litigation hold for extended periods.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Microsoft 365 E5 Compliance add-on includes Microsoft Purview eDiscovery (Premium).
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Microsoft 365 E5 Compliance add-on includes Microsoft Purview eDiscovery (Premium). Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Review microsoft 365 E5 Compliance add-on includes Microsoft Purview eDiscovery (Premium)., then practise related MS-900 questions on the same topic to reinforce the concept.
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Describe Microsoft 365 pricing and support — study guide chapter
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Describe Microsoft 365 pricing and support practice questions
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FAQ
Questions learners often ask
What does this MS-900 question test?
Describe Microsoft 365 pricing and support — This question tests Describe Microsoft 365 pricing and support — Microsoft 365 E5 Compliance add-on includes Microsoft Purview eDiscovery (Premium)..
What is the correct answer to this question?
The correct answer is: Microsoft 365 E5 Compliance add-on — The Microsoft 365 E5 Compliance add-on provides the required capabilities: litigation hold and a 7-year retention policy for Exchange Online mailboxes via Microsoft Purview, plus automatic detection and labeling of sensitive content like passport numbers using sensitivity labels and data loss prevention (DLP) policies. The E3 base license lacks these advanced compliance features, making the E5 Compliance add-on the minimum addition.
What should I do if I get this MS-900 question wrong?
Review microsoft 365 E5 Compliance add-on includes Microsoft Purview eDiscovery (Premium)., then practise related MS-900 questions on the same topic to reinforce the concept.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Microsoft 365 E5 Compliance add-on includes Microsoft Purview eDiscovery (Premium).
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
2 more ways this is tested on MS-900
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A multinational organization with 5,000 users currently has Microsoft 365 E3 licenses. They need to meet a regulatory requirement that all user activity logs must be retained for 7 years. They also require the ability to place litigation holds on all mailboxes. Which licensing approach meets the compliance requirements at the lowest additional cost?
hard- A.Upgrade all users to Microsoft 365 E5
- ✓ B.Add Microsoft 365 E5 Compliance add-on for all users
- C.Add Microsoft 365 E5 eDiscovery and Audit add-on for all users
- D.Add Microsoft 365 Communications Compliance add-on for all users
Why B: Option B is correct because the Microsoft 365 E5 Compliance add-on provides the required 7-year audit log retention (via Unified Audit Log retention policies) and litigation hold capabilities for mailboxes, without upgrading the entire license to E5. This add-on is the most cost-effective way to meet these specific compliance needs for all 5,000 users while retaining their existing E3 base licenses. Option C is incorrect because the Microsoft 365 E5 eDiscovery and Audit add-on does not include the required 7-year audit log retention and litigation hold; these are provided by the E5 Compliance add-on.
Variation 2. An organization with 2,000 users currently has Microsoft 365 E3 licenses. They need to implement a policy that automatically deletes all Microsoft Teams chat messages older than 90 days. They also need to retain all Yammer messages for 10 years for legal purposes. Which licensing add-ons are minimally required to achieve both requirements?
hard- ✓ A.Microsoft 365 E5 Compliance add-on for all users
- B.Microsoft 365 E5 Information Protection and Governance add-on
- C.Microsoft 365 E5 eDiscovery and Audit add-on
- D.Microsoft 365 E5 Compliance add-on for all users and E5 eDiscovery add-on for a subset
Why A: Option A is correct because the Microsoft 365 E5 Compliance add-on includes both Microsoft Purview Communication Compliance for Teams chat retention policies and the necessary data lifecycle management capabilities to retain Yammer messages for 10 years. This add-on provides the required features without needing additional licenses, making it the minimal licensing solution for both requirements.
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Last reviewed: Jun 11, 2026
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