MS-900 Describe Microsoft 365 apps and services Practice Question
A tenant administrator is advising a department that wants to co-author a Word document with colleagues in real time from a browser. Microsoft 365 app or service is the best fit?
⚠ Common exam trap
Candidates often confuse Microsoft Forms or Planner as collaboration tools, but they are designed for data collection and task management, not real-time document co-authoring, which specifically requires web apps with OneDrive or SharePoint.
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 web apps with OneDrive or SharePoint
Microsoft 365 web apps (Word, Excel, PowerPoint) combined with OneDrive or SharePoint enable real-time co-authoring from a browser. This allows multiple users to edit the same document simultaneously, with changes synced instantly via the cloud, which directly meets the department's requirement.
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 Forms
Why it's wrong here
Microsoft Forms is designed for data collection via questionnaires, quizzes, and polls, with responses aggregated in an Excel workbook. It lacks a persistent document editor and does not offer the ability for multiple people to edit the same file at the same time. While Forms can integrate with other M365 apps, it is not a collaboration workspace for co-authoring content.
- ✗
Microsoft Purview Audit
Why it's wrong here
Microsoft Purview Audit records user and administrator activities across Microsoft 365, such as file accesses, permission changes, and sign-in events. It is a compliance and forensic tool that generates audit logs, not a real-time working environment. Although it can later show who edited a document, it cannot provide the simultaneous editing capability the department needs.
- ✓
Microsoft 365 web apps with OneDrive or SharePoint
Why this is correct
Microsoft 365 web apps built into OneDrive and SharePoint give users the ability to co-author Word, Excel, and PowerPoint files directly in a browser. Changes are saved automatically and merged in near real time, with presence indicators showing who is editing, while version history allows recovery of earlier drafts. Because the files live in OneDrive or SharePoint, the tenant admin can manage sharing links and permissions to support both internal and external collaborators.
- ✗
Microsoft Planner
Why it's wrong here
Microsoft Planner is a task management service that organizes work into plans and assignments, but it does not provide a document editing surface. Files added to tasks are merely attachments; any editing happens in a separate app and is not simultaneous within Planner's interface. Because the department needs real-time co-authoring, Planner cannot fulfill that requirement.
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Benefits of Microsoft Cloud
Key term
Tenant
A dedicated and isolated instance of Microsoft Entra ID that an organization receives when signing up for a Microsoft cloud service.
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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