MS-900 Email Signatures Practice Question
A sales team uses Microsoft 365 and wants to automatically capture and store email signatures for all outgoing messages. Which Microsoft 365 app should the administrator configure?
⚠ Common exam trap
Candidates may confuse Microsoft Teams with Exchange Online for email features, but Teams is not involved in email signature management.
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 Exchange Online
(Microsoft Exchange Online) is correct because email signatures are managed via Exchange mail flow rules or the Exchange admin center. Option A is wrong because Microsoft Teams is for collaboration, not email signatures. Option B is wrong because Microsoft Viva Insights focuses on productivity analytics. Option C is wrong because Microsoft SharePoint Online is for document management.
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 Teams
Why it's wrong here
Teams handles chat, meetings and calling, and does not insert signatures into Outlook email. It is tempting because it is a core Microsoft 365 communication app, and would be correct for collaboration or voice workloads, whereas signature capture and storage require mail-flow processing on messages.
- ✗
Microsoft Viva Insights
Why it's wrong here
Viva Insights delivers productivity and wellbeing analytics from collaboration metadata; it neither generates nor stores message signatures. It is tempting because it analyses mailbox activity, and would be correct for reporting on meeting load, focus time or after-hours working rather than appending signatures to outgoing mail.
- ✗
Microsoft SharePoint Online
Why it's wrong here
SharePoint Online provides document libraries and team sites; it has no mechanism to append or retain signatures on messages sent from Outlook. It is tempting because it stores content centrally, and would be correct for hosting shared documents or lists rather than applying mail-flow signature rules.
- ✓
Microsoft Exchange Online
Why this is correct
Microsoft Exchange Online applies mail flow rules (transport rules) that append signatures and disclaimers to outgoing messages server-side, regardless of client. This satisfies the requirement to capture and store signatures automatically for all outgoing mail across the sales team, without relying on per-device Outlook configuration.
Go deeper
Related to this question
Learn chapter
External Sharing in SharePoint and OneDrive
Key term
Exchange admin center
The Exchange admin center (EAC) is a web-based management console used by IT administrators to manage email, calendars, contacts, and other mail-related features in Microsoft Exchange Server or Exchange Online.
Key term
Microsoft 365
Microsoft 365 is a subscription-based cloud service from Microsoft that combines productivity tools like Office apps with security, device management, and online storage.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This MS-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the MS-900 exam.