This post is a part of the AB-900: Microsoft 365 Copilot and Agent Administration Fundamentals Exam Prep Hub.
This topic falls under these sections:
Perform basic administrative tasks for Copilot and agents (25–30%)
--> Understand features and capabilities of Copilot and agents
--> Compare the built-in capabilities of Copilot and agents
Note that there are 10 practice questions (with answers) at the end of each section to help you solidify your knowledge of the material. Also, there are 4 practice tests with 30 questions each available from the hub's main page below the exam topics section.
Introduction
Microsoft 365 provides powerful AI capabilities through Microsoft 365 Copilot and agents. Although they are closely related, they serve different purposes.
A common misconception is that Copilot and agents are the same technology. In reality:
- Microsoft 365 Copilot is the AI assistant that helps users work across Microsoft 365 applications.
- Agents are specialized AI assistants designed to perform focused tasks, automate business processes, or provide expertise in specific domains.
Understanding the differences between Copilot and agents is an important objective on the AB-900 exam.
What is Microsoft 365 Copilot?
Microsoft 365 Copilot is Microsoft’s AI assistant integrated throughout Microsoft 365 applications.
It combines:
- Large Language Models (LLMs)
- Microsoft Graph
- Microsoft 365 data
- User permissions
- Organizational knowledge
Copilot helps users complete everyday work faster while respecting existing security permissions.
Examples include:
- Drafting emails
- Summarizing meetings
- Creating PowerPoint presentations
- Analyzing Excel data
- Writing Word documents
- Answering natural language questions
- Summarizing Teams chats
Copilot is designed to improve personal productivity across many different tasks.
What are Microsoft 365 Agents?
Agents are AI assistants created to perform specialized or repeatable business tasks.
Rather than serving as a general assistant, an agent focuses on a specific job.
Examples include:
- HR policy assistant
- IT help desk assistant
- Sales proposal assistant
- Customer service assistant
- Legal document assistant
- Procurement assistant
- Finance assistant
Agents can:
- Answer questions from approved knowledge sources
- Follow business rules
- Guide users through processes
- Complete multi-step workflows
- Connect to business systems
Comparing Copilot and Agents
| Microsoft 365 Copilot | Microsoft 365 Agents |
|---|---|
| General-purpose AI assistant | Specialized AI assistant |
| Works across Microsoft 365 | Focuses on a specific business task |
| Assists individual productivity | Assists business processes |
| Uses Microsoft Graph extensively | Can use Graph plus additional knowledge sources |
| Available in Microsoft 365 apps | Can be published inside Teams, Microsoft 365, SharePoint, and other experiences |
| Broad conversational abilities | Domain-specific expertise |
Built-in Capabilities of Microsoft 365 Copilot
Copilot includes many built-in features without requiring customization.
Content Creation
Copilot can:
- Draft documents
- Rewrite text
- Summarize documents
- Change writing tone
- Generate presentations
- Create outlines
- Brainstorm ideas
Example:
“Create a proposal for a new customer.”
Meeting Intelligence
Within Microsoft Teams, Copilot can:
- Summarize meetings
- Capture decisions
- List action items
- Answer questions about the meeting
- Identify unresolved issues
Example:
“What decisions were made during yesterday’s meeting?”
Email Assistance
In Outlook, Copilot can:
- Draft responses
- Summarize long email threads
- Suggest follow-up actions
- Improve writing style
Data Analysis
Within Excel, Copilot can:
- Explain formulas
- Generate charts
- Analyze trends
- Identify outliers
- Create summaries
Example:
“Show quarterly sales trends.”
Knowledge Discovery
Copilot searches organizational knowledge using Microsoft Graph.
It can answer questions such as:
- “What projects am I working on?”
- “Summarize documents related to Project Apollo.”
- “What files has my manager recently shared?”
Cross-Application Context
One major capability is connecting information across applications.
Example:
Copilot may combine information from:
- Outlook
- Teams
- Word
- OneDrive
- SharePoint
- Calendar
to answer a single prompt.
Built-in Capabilities of Agents
Agents focus on completing specialized work.
Task-Specific Expertise
An agent is trained or configured around one topic.
Examples:
HR Agent
- Vacation policy
- Benefits
- Employee handbook
IT Agent
- Password reset guidance
- Software installation
- Device troubleshooting
Finance Agent
- Expense reimbursement
- Budget approval
- Procurement rules
Business Process Guidance
Agents can walk users through business procedures.
Example:
Instead of simply answering a question, an HR onboarding agent can:
- Explain required forms
- Guide new employees
- Answer benefits questions
- Provide training links
Knowledge Grounding
Agents can use approved organizational knowledge.
Examples include:
- SharePoint libraries
- Internal documents
- Knowledge bases
- Business manuals
- Policies
- FAQs
Unlike general internet chatbots, agents only answer from approved sources.
Workflow Automation
Agents can perform multiple steps automatically.
Example:
A travel request agent might:
- Collect travel details
- Validate policy
- Request manager approval
- Submit the request
- Notify the employee
Connectors
Agents can connect to external business systems.
Examples:
- Dynamics 365
- ServiceNow
- Salesforce
- SAP
- Workday
- Microsoft Dataverse
This allows agents to retrieve business information securely.
Consistent Business Responses
Unlike free-form conversations, agents provide consistent answers based on organizational knowledge.
This reduces confusion and improves compliance.
Shared Capabilities
Both Copilot and agents share many AI features.
These include:
- Natural language interaction
- Context-aware conversations
- AI-generated responses
- Respect for Microsoft Entra ID permissions
- Security trimming
- Microsoft Graph integration (where applicable)
- Use of Large Language Models
- Support for Microsoft 365 security and compliance controls
Key Differences
Scope
Copilot
Broad productivity assistant.
Agent
Focused business assistant.
Purpose
Copilot
Helps users complete work.
Agent
Helps complete specific business processes.
Knowledge
Copilot
Uses Microsoft Graph plus organizational content.
Agent
Uses selected knowledge sources chosen by administrators or creators.
Customization
Copilot
Little customization required.
Agents
Often customized for departments or business scenarios.
Reusability
Copilot
Same assistant for everyone (subject to permissions).
Agents
Different agents can exist for different teams.
Examples:
- Legal Agent
- Sales Agent
- Finance Agent
- HR Agent
Copilot vs. Agent Example
A user asks:
“I need to prepare for a customer renewal.”
Copilot might:
- Summarize recent emails
- Review meeting notes
- Draft a proposal
- Create a PowerPoint
A Sales Agent might:
- Retrieve CRM information
- Check renewal status
- Calculate discounts
- Recommend pricing
- Generate renewal documentation
Both assist the user—but in different ways.
Security
Both Copilot and agents follow Microsoft security principles.
They respect:
- Microsoft Entra ID authentication
- User permissions
- Microsoft Graph security trimming
- Microsoft Purview sensitivity labels
- Data Loss Prevention (DLP) policies
- Conditional Access policies
- Compliance controls
Neither Copilot nor agents expose information users are not authorized to access.
Common Exam Tips
Remember these distinctions:
- Copilot is a general-purpose AI assistant.
- Agents are specialized assistants for business scenarios.
- Copilot improves productivity across Microsoft 365.
- Agents automate or simplify specific business tasks.
- Both use natural language.
- Both respect existing Microsoft 365 permissions.
- Agents can connect to external business systems.
- Multiple agents can exist within the same organization.
- Copilot does not replace business applications—it works with them.
- Administrators govern both using Microsoft 365 security and compliance controls.
Practice Exam Questions
Question 1
What is the primary purpose of Microsoft 365 Copilot?
A. Replace business applications
B. Provide a general AI assistant across Microsoft 365 applications
C. Manage Microsoft Entra ID users
D. Automatically configure SharePoint permissions
Correct Answer: B
Explanation: Microsoft 365 Copilot is a general-purpose AI assistant that enhances productivity across Microsoft 365 applications.
Question 2
Which scenario is best suited for a Microsoft 365 agent?
A. Creating a PowerPoint presentation from meeting notes
B. Summarizing an Outlook inbox
C. Guiding employees through HR onboarding procedures
D. Drafting a Word document
Correct Answer: C
Explanation: Agents are designed for specialized business tasks such as HR onboarding, IT support, or finance workflows.
Question 3
Which feature is shared by both Microsoft 365 Copilot and agents?
A. They ignore Microsoft Entra permissions.
B. They require internet searches for every response.
C. They automatically grant file access.
D. They support natural language conversations.
Correct Answer: D
Explanation: Both Copilot and agents use conversational AI, allowing users to interact using natural language.
Question 4
Which capability is unique to many business agents?
A. Creating Word documents
B. Summarizing Teams meetings
C. Performing specialized workflows using business systems
D. Rewriting email messages
Correct Answer: C
Explanation: Agents can automate specialized business workflows and connect with enterprise systems.
Question 5
Microsoft 365 Copilot primarily retrieves organizational information through:
A. Microsoft Graph
B. Azure Virtual Desktop
C. Windows Registry
D. Local device storage
Correct Answer: A
Explanation: Microsoft Graph provides Copilot with secure access to organizational data while respecting user permissions.
Question 6
Which statement best describes Microsoft 365 agents?
A. They replace Microsoft Graph.
B. They are designed for focused business scenarios and specialized tasks.
C. They only answer questions about Microsoft products.
D. They are available only in Outlook.
Correct Answer: B
Explanation: Agents are purpose-built AI assistants that support specific business processes or departmental functions.
Question 7
How do Copilot and agents protect organizational data?
A. They bypass file permissions for administrators.
B. They make all SharePoint content searchable.
C. They respect existing Microsoft 365 permissions and compliance controls.
D. They permanently copy data into AI models.
Correct Answer: C
Explanation: Both solutions honor Microsoft Entra ID permissions, Microsoft Graph security trimming, and Microsoft Purview governance policies.
Question 8
Which task would Microsoft 365 Copilot most likely perform?
A. Reset a user’s Active Directory password automatically.
B. Analyze an Excel workbook and explain sales trends.
C. Replace the organization’s CRM system.
D. Configure Conditional Access policies.
Correct Answer: B
Explanation: Copilot excels at productivity tasks such as analyzing Excel data and generating insights.
Question 9
An organization creates separate HR, Legal, and Finance AI assistants. These are examples of:
A. Microsoft Graph connectors
B. SharePoint hubs
C. Copilot prompts
D. Specialized agents
Correct Answer: D
Explanation: Organizations can build multiple specialized agents tailored to different departments and business functions.
Question 10
What is one of the biggest differences between Microsoft 365 Copilot and agents?
A. Copilot is a broad productivity assistant, while agents focus on specific business tasks.
B. Agents do not use AI.
C. Copilot ignores Microsoft 365 permissions.
D. Agents cannot access organizational knowledge.
Correct Answer: A
Explanation: Copilot provides broad productivity assistance across Microsoft 365, whereas agents are designed for specialized business scenarios and targeted workflows.
Go to the AB-900 Exam Prep Hub main page
The Data Community 