M365 Agent Builder Helper

Q: "What is Agent Builder in M365 Copilot?"

"Agent Builder is the no-code experience inside Microsoft 365 Copilot for creating lightweight AI agents. You define instructions, add knowledge sources, and share with your team — all without writing a single line of code."

Q: "Do I need a paid licence to use Agent Builder?"

"Not for basic agents! Code interpreter, image generation, and web search are free. For SharePoint, file uploads, and connectors you need pay-as-you-go billing. For email, Teams chats, and people data you need a per-user M365 Copilot licence."

Q: "What are the knowledge source limits?"

"4 public URLs (max 2 levels deep), up to 100 SharePoint files, 20 uploaded files (512MB max), 5 Teams chats, and all emails (cannot scope to folders). Check the Knowledge Sources tab for full details."

Q: "What happens when I share my agent that reads my emails?"

"Each user sees THEIR OWN emails, not yours. The agent runs in the context of whoever is using it. Your email data is never exposed to other users."

Q: "Should I use Agent Builder or Copilot Studio?"

"Use Agent Builder for Q\u0026A agents grounded in M365 content (80% of use cases). Use Copilot Studio when you need multi-step workflows, external APIs, proactive notifications, customer-facing deployment, or advanced conversation branching."

Q: "What's the difference between pay-as-you-go and a Copilot licence?"

"Pay-as-you-go unlocks SharePoint, file uploads, connectors, and sharing — billed per credit. But email, Teams chats, people data, and Enterprise Graph require a per-user M365 Copilot licence ($30/user/month). Pay-as-you-go does NOT cover these."

Q: "Can I move my Agent Builder agent to Copilot Studio later?"

"Yes! The 'Copy to Copilot Studio' option lets you transfer your agent for advanced features. Available at all licence tiers."

Q: "Is this tool still being improved?"

"Yes! This is V1. Visit our feedback page to suggest improvements or share your Agent Builder experiences."

Figure out what you CAN build, HOW to build it, and WHEN to graduate to Copilot Studio

☕ Support

Which licence tier do I need?

Free is enough if you only need:

Web search / public URLs
Code interpreter & charts
Image generation

No admin action needed

Pay-as-you-go if you also need:

SharePoint files & sites
Upload documents
Copilot connectors
Share with others

Ask admin to enable pay-as-you-go billing

Licensed if you also need:

Outlook email search
Teams chats & meetings
People / org chart data
Full Enterprise Graph

Ask admin for M365 Copilot licence

Full Capability Matrix

Last verified: April 2026 · MS Learn source

Capability	Free	PAYG	Licensed	Notes
Web search knowledge Ground agents in public web content	✓	✓	✓
Scoped web search (up to 4 URLs) Add specific public URLs — max 2 levels deep, no query parameters	✓	✓	✓
Code interpreter Generate charts, analyse data, run calculations in-conversation	✓	✓	✓	No licence required
Image generation (DALL-E) Create images within agent conversations — when enabled by admin	✓	✓	✓	No licence required
SharePoint knowledge Ground agents in SharePoint sites, folders, and files — respects existing permissions	✗	✓	✓
Upload files (up to 20) Upload documents from your device — doc, docx, pdf, pptx, txt, csv, xlsx supported	✗	✓	✓
M365 Copilot connectors Connect to additional data sources configured by your admin (ServiceNow, Salesforce, etc.)	✗	✓	✓
Share with organisation Share agents with specific users, security groups, or everyone in org	✗	✓	✓
Outlook email knowledge Ground agents in your entire mailbox — cannot scope to specific folders	✗	✗	✓	Licence only — pay-as-you-go does NOT work
Teams chat & meeting knowledge Ground agents in Teams chats, channels, and meeting transcripts (up to 5 chats)	✗	✗	✓	Licence only — pay-as-you-go does NOT work
People knowledge Access people profiles, org chart, and directory information	✗	✗	✓	Licence only — pay-as-you-go does NOT work
Enterprise Graph grounding Full access to M365 data — files, emails, calendar, Teams, people	✗	✗	✓	Licence only — the sum of email + Teams + people
Copy to Copilot Studio Move your agent to Copilot Studio for advanced capabilities	✓	✓	✓

Agent Builder vs Copilot Studio

Feature	Agent Builder	Copilot Studio
Coding required	None — natural language only	Low-code / no-code
Build time	5–15 minutes	Hours to days
Where to build	microsoft365.com/chat or Teams	copilotstudio.microsoft.com
Knowledge sources	M365 data (SP, email, Teams, web, files)	M365 + Dataverse + external APIs + custom
Actions & automation	No — Q&A only	Yes — Power Automate, HTTP, connectors
External API calls	Not supported	HTTP actions, API plugins
Proactive messaging	No — user must start conversation	Yes — event triggers, scheduled messages
Conversation branching	Simple Q&A flow	Complex topic trees with conditions
Deployment channels	M365 Copilot + Teams only	Teams, web, Facebook, SMS, custom
Customer-facing	Internal org only	Internal + external customers
Sharing	Share link within org	Teams app store, managed deployment
Cost	Included with M365 / pay-as-you-go	$200/tenant/month (25k messages)
AI model	GPT-4o (managed by Microsoft)	GPT-4o + custom model options
Block general AI knowledge	Can prioritise but not fully block	Full control over knowledge scoping
Copy between platforms	Copy TO Copilot Studio ✅	Cannot copy back to Agent Builder

What Does It Cost?

FreeIncluded

Web search, public URLs, code interpreter, image generation, basic instructions

No additional cost — included with any M365 licenceNo admin action needed

Pay-as-you-goPer Copilot credit

Everything free + SharePoint, file uploads, connectors, sharing

Organisation pays per credit consumed — billed to Azure subscriptionAdmin must enable pay-as-you-go billing in M365 Admin Centre

LicensedPer user/month

Everything pay-as-you-go + email, Teams, people, Enterprise Graph

Per-user M365 Copilot add-on licence assigned by adminAdmin assigns licence to individual users

Quick Reference — All Limits

Last verified: April 2026 · MS Learn source

Instructions8,000 charactersDon't fill all 8,000 — focused instructions work better

Public URLs4 (max 2 levels deep)Most Learn URLs are rejected — download as .txt instead

SharePoint filesUp to 100Some docs say 20 sources overall — test your specific limits

Uploaded files20Max 512MB for doc/pdf/pptx/txt; 30MB for xlsx

Teams chats5 specific chatsScoping to specific chats improves accuracy

EmailsAll or nothingCannot scope — use instruction guidance to focus

Supported formats.doc .docx .pdf .ppt .pptx .txt .csv .xlsx.md NOT supported — rename to .txt

Which knowledge source should I use?

Detailed Source Guide

🌐Public Website URLs4 URLsFree or Paid

Add specific public websites as knowledge. The agent can answer from page content.

Rules and Limits

Maximum 4 URLs per agent
URLs must be maximum 2 levels deep (e.g. example.com/docs/guide)
URLs cannot contain query parameters (e.g. ?id=123)
URLs must be publicly accessible — no login-required pages

Tips

Choose content-rich pages rather than navigation pages
Microsoft Learn URLs are typically 4-5 levels deep and WILL be rejected — download as .txt instead
Use the 'Search all websites' toggle for broader web grounding beyond your 4 URLs
Test every URL in Agent Builder before relying on it

Gotchas

Most Microsoft Learn article URLs are too deep (4-5 levels) and will be rejected
Agent Builder doesn't always show a clear error — the URL may silently not be added

📂SharePoint ContentUp to 100 filesPay-as-you-go or Paid

Ground your agent in SharePoint sites, folders, and files. The most powerful knowledge source for enterprise agents.

Rules and Limits

Up to 100 SharePoint files per agent (per current Microsoft Learn docs)
Some documentation references a broader '20 knowledge sources' limit — try adding more files within existing folders if you hit a limit
Agent respects existing user permissions — users only see files they have access to
Sensitivity labels on files carry over to agent access
Restricted SharePoint Search blocks SharePoint as a knowledge source

Tips

Add specific folders rather than entire sites for more accurate answers
Keep documents concise — short, well-structured files work better than massive ones
Excel works best with data in ONE sheet within a workbook
Communication sites may not appear in the picker — try 'More Places' or enter URL directly
3 ways to add: Enter URL, file picker (cloud icon), or search bar

Gotchas

New SharePoint sites can take HOURS to appear in the file picker
New files take several minutes to index — 'Preparing' status shown until ready
Excel files need 'Generate docs' capability enabled just to READ them

📎Uploaded (Embedded) Files20 filesPay-as-you-go or Paid

Upload files from your device. These become embedded in the agent and available to anyone with access.

Rules and Limits

Maximum 20 files per agent
Files take 1-2 minutes to upload (shown as grey until ready)
Information Barriers (IB) NOT supported — anyone with agent access sees all embedded content
Highest sensitivity label from any file applies to the whole agent

File Size Limits

Format	Max Size
.doc, .docx	512 MB
.pdf	512 MB
.ppt, .pptx	512 MB
.txt	512 MB
.xls, .xlsx	30 MB
.csv	150 MB

Tips

Use .txt or .docx for best results — Markdown syntax in .txt is still readable by AI
.md files are NOT supported — rename to .txt
Remove files with restrictive sensitivity labels to avoid blocking users
Upload curated reference docs rather than raw data dumps

Gotchas

Files with user-defined permissions cause agent creation to fail SILENTLY
Double Key Encrypted files embed but aren't used as knowledge (no error shown)
Uploading ONE Confidential file makes the whole agent require Confidential access
Password-protected files show an error message

💬Teams Chats & Meetings5 specific chatsM365 Copilot licence only

Ground your agent in Teams chats, channels, and meeting transcripts.

Rules and Limits

Select up to 5 specific chats (channels, group chats, meeting chats)
Or select 'My Teams chats and meetings' for ALL your chats and transcripts
Cannot scope to individual meetings when using 'all' option
Very long transcript histories may not be fully available

Tips

Scoping to specific chats improves accuracy significantly
Channel conversations work great for project-specific agents
Meeting transcripts create powerful 'meeting memory' agents

Gotchas

Requires M365 Copilot paid licence — not available on free tier
The 'all' option searches everything including personal chats

📧Outlook EmailAll or nothingM365 Copilot licence only

Search, summarise, and answer from your Outlook mailbox. Cannot scope to specific folders.

Privacy: When you share an agent with email knowledge, each user who uses the agent accesses THEIR OWN mailbox. Your emails are NEVER exposed to other users.

Rules and Limits

Adds ALL email in your mailbox as knowledge — cannot filter
Cannot scope to specific folders, senders, or date ranges
When shared, each user sees THEIR OWN emails — not yours
Requires M365 Copilot paid licence

Tips

Great for 'What did I discuss about project X?' type questions
Use instructions to focus: 'Only search emails related to Project Alpha'
Consider SharePoint/Teams as alternatives if you don't need email-specific data

Gotchas

Personal emails are included — be aware in professional contexts
No way to exclude specific folders or date ranges
All-or-nothing can lead to noisy results — use instruction guidance

🔌M365 Copilot ConnectorsAdmin-controlledPay-as-you-go or Paid

Connect to additional data sources configured by your admin.

Rules and Limits

Must be enabled by your organisation's administrator
Available only with M365 Copilot paid licence
Configured in the M365 Admin Centre

Tips

Ask your IT admin if connectors are available in your tenant
Common connectors include ServiceNow, Salesforce, and custom APIs

Gotchas

Not visible in Agent Builder if admin hasn't enabled them

🔍Web Search ToggleOn/OffFree or Paid

When enabled, your agent can search the public web beyond your specific knowledge sources.

Rules and Limits

Toggle 'Search all websites' on the Configure tab
Searches public web — not org-specific data
Can be combined with other knowledge sources

Tips

Enable for agents that need up-to-date information
Disable for agents that should ONLY answer from org knowledge
Use instructions to prioritise: 'Check uploaded documents first, only search web if not found'

Gotchas

Web results may override your curated knowledge if not managed via instructions

Before You Start — Admin Dependencies

Many Agent Builder features depend on admin settings. If something isn't working, check these first.

Agent Builder access

Users need access to microsoft365.com/chat or Teams desktop

No special admin action — available to all M365 users by default

Pay-as-you-go billing BLOCKER

Required for SharePoint, file uploads, connectors, and sharing

M365 Admin Centre → Copilot → Settings → enable pay-as-you-go billing via Azure subscription

M365 Copilot licence BLOCKER

Required for email, Teams, people data, and Enterprise Graph

Assign M365 Copilot add-on licence to specific users

Copilot connectors BLOCKER

Connect to external data sources like ServiceNow or Salesforce

M365 Admin Centre → Copilot → Connectors → enable and configure

Sharing controls

Who can share agents and with whom

M365 Admin Centre → Copilot → Settings → Data access → Agents

Restricted SharePoint Search BLOCKER

If enabled, blocks SharePoint as a knowledge source

SharePoint Admin Centre → check if Restricted Search is active

Image generation

DALL-E image creation in agent conversations

M365 Admin Centre → Copilot → Settings → enable image generation

Admin Email Generator

Generate a professional email to send your IT admin.

What do you need?

Your name

What you want to build

Quick Instruction Generator

Generate ready-to-paste agent instructions.

Agent purpose

Company name

Tone

Boundary strictness

Agent Health Checker

Paste your instructions and get a quality score.

The CAPS Technique for Instruction Boundaries

When you need agents to stay strictly within their role, use this three-part formula.

CAPS Keywords

Use CAPITAL LETTERS for critical boundary instructions

You MUST ONLY answer questions about marketing campaigns.
You MUST NOT provide information about HR, finance, or personal topics.

Exact Fallback Text

Provide the exact text the agent should use when declining

If asked about topics outside marketing, respond EXACTLY with:
"I'm the Marketing Campaign Bot — I can only help with campaign-related questions."

Positive Redirect

Instead of just refusing, redirect to the right resource

ALWAYS redirect politely. Example:
"That's a great question, but it's outside my area. For IT support, try the IT Help Desk agent."

Without all three parts, the AI tends to 'be helpful' and answer off-topic questions anyway. CAPS draw attention, exact fallback gives a concrete response, and the redirect keeps it positive.

Sharing & Privacy Rules

🔒Each user sees THEIR OWN data

Emails, Teams chats, and files are scoped to the current user's permissions. Your data is never exposed.

⚠️Embedded files ARE shared with everyone

Files you upload become part of the agent. Anyone with access sees all uploaded content — use SharePoint for sensitive docs.

✅SharePoint respects existing permissions

If a user can't access a SharePoint file normally, the agent won't show it to them either.

🏷️Sensitivity labels gate access

The highest sensitivity label from any embedded file applies to the whole agent. Users without extract rights are blocked.

🚧Information Barriers NOT supported

IB policies don't apply to embedded file content. Use SharePoint-based knowledge instead for IB compliance.

What's Going Wrong?

Detailed Troubleshooting

Agent doesn't use my knowledge sources

Cause: Files still indexing or unsupported format

Fix: Wait for 'Preparing' to finish. Check file type is supported (.doc, .docx, .pdf, .pptx, .txt, .csv, .xlsx)

Agent gives generic answers

Cause: Instructions too vague or knowledge sources too broad

Fix: Add specific skills/workflows to instructions. Narrow knowledge to focused documents

Agent answers off-topic questions

Cause: Boundaries too soft

Fix: Use the CAPS technique — CAPS keywords + exact fallback text + positive redirect

Agent creation fails silently

Cause: Uploaded file has unsupported sensitivity label

Fix: Remove files with user-defined permissions, DKE, or disabled extract rights

SharePoint content not showing

Cause: Restricted SharePoint Search enabled or permission issue

Fix: Check admin settings. Verify user has access to the SharePoint site

Agent can't read Excel data

Cause: 'Generate docs' capability not enabled

Fix: Enable 'Generate docs' in agent settings. Keep data in ONE sheet

Users can't access shared agent

Cause: Sensitivity label on embedded content blocks them

Fix: Check that target users have extract rights to the highest label on embedded files

Agent makes up answers

Cause: No 'unknown' handling in instructions

Fix: Add explicit fallback: 'If you don't know, say so. DO NOT guess.'

Common Mistakes

Instructions too vague

'Be helpful' — agent doesn't know what helpful means

Define specific tasks and workflows

Filling all 8,000 characters

Overwhelming the AI with too much context

Focus on top 5-6 skills. Move reference content to knowledge docs

Contradictory rules

'Be concise' AND 'Always provide full context'

Choose one approach and be consistent

No error handling

Agent makes up answers when unsure

Always include 'what to do when you don't know' section

Only negative rules

'Don't do X, don't do Y' — agent focuses on what NOT to do

Lead with positives: 'DO this' first, then restrictions

No examples

Agent guesses the format you want

Provide 1-2 example interactions for complex scenarios

Missing tone spec

Agent varies between formal and casual randomly

Set tone explicitly: 'Professional, friendly, concise'

Testing Your Agent

Test conversation starters

Try each one — does the agent respond accurately with specific numbers and sources?

Test edge cases

Ask questions OUTSIDE the agent's scope. Do boundaries hold?

Test consistency

Ask the same question different ways. Are answers consistent?

Compare vs base Copilot

Ask the same question to your agent AND plain M365 Copilot. Your agent should be better.

Test with colleagues

Share with 2-3 trusted people. What unexpected questions do they ask?

Iterate

Refine instructions based on testing. Tighten boundaries, add examples, adjust tone.

What Changes Over Time?

⏱️How long does indexing take?

SharePoint content: several minutes to hours for new sites. Uploaded files: 1-2 minutes (shown as grey until ready). New SharePoint sites may not appear in the picker for hours.

🔄What happens when source files change?

SharePoint: changes are picked up automatically over time (not instant). Uploaded files: you must re-upload the updated version manually.

👤What happens when the agent creator leaves?

The agent continues to work. Other users can still use it. However, only the creator (or an admin) can edit instructions and knowledge sources.

🔐Why does it work for me but not my colleague?

Most likely a permission issue — your colleague may not have access to the SharePoint files, or they may not have the required licence tier (e.g. email needs M365 Copilot licence).

✏️How do I update my agent?

Open microsoft365.com/chat → find your agent in the left panel → click the three dots → Edit. Changes take effect immediately.

👥Can multiple people edit the same agent?

No — only the creator can edit. To collaborate, copy the agent to Copilot Studio where multiple makers can work together.

When to Graduate to Copilot Studio

You need multi-step workflows or approvals

Agent Builder is Q&A only — no actions or automation

You need to call external APIs (Salesforce, ServiceNow, etc.)

Agent Builder can't make HTTP calls or connect to non-M365 services directly

You need proactive messaging (alerts, notifications)

Agent Builder agents are reactive — users must start the conversation

You need customer-facing deployment (website, Facebook, SMS)

Agent Builder agents only work within your M365 tenant

You need stricter knowledge control (block ALL general AI knowledge)

Agent Builder can prioritise but can't fully block general knowledge

You need advanced conversation flows with branching logic

Agent Builder supports simple Q&A; Copilot Studio supports complex topic trees

You want to publish to the Teams app store for the whole org

Agent Builder sharing is simpler; Copilot Studio supports full Teams app packaging

Full Instruction Builder Copilot Studio Companion

Agent Gallery — What Others Built

Curated agent ideas from real IT admins. Click to see instructions.

HR Policy BotHRpaygo

Answers employee questions about leave, benefits, dress code, and workplace policies from SharePoint HR docs.

Knowledge: sharepoint

You are the HR Policy Bot. Answer ONLY from SharePoint HR documents. Cite document names. Refuse non-HR topics.

By: IT Admin, Healthcare

Project Status ReporterProject Managementpaid

Pulls project updates from SharePoint project sites and summarises status, risks, and next steps.

Knowledge: sharepoint, teams

You are the Project Status Bot. Summarise project health from SharePoint docs and Teams discussions. Flag risks in red.

By: PMO Lead, Tech

IT TroubleshooterITpaygo

Guides users through common IT issues using uploaded troubleshooting guides. Escalates when stuck.

Knowledge: file_upload

You are the IT Help Bot. Use numbered steps. Ask clarifying questions first. Escalate if not in guides.

By: Service Desk Lead

Brand Voice CoachMarketingpaygo

Reviews draft content against uploaded brand guidelines and suggests improvements for tone and style.

Knowledge: file_upload

You are the Brand Voice Coach. Compare user content against brand guidelines. Suggest specific rewrites.

By: Marketing Manager

Expense Policy GuideFinancepaygo

Answers questions about expense limits, receipt requirements, and approval workflows from finance policy docs.

Knowledge: file_upload, sharepoint

You are the Expense Guide Bot. Answer from expense policies only. Always quote the specific limit or rule number.

By: Finance Analyst

Competitive Intel TrackerSalesfree

Searches the web for competitor news, pricing changes, and product announcements. Summarises weekly.

Knowledge: web_search

You are a Competitive Intel Bot. Search for competitor news. Present as: Company, Update, Impact, Source.

By: Strategy Analyst

Meeting Recap BotOperationspaid

Summarises Teams meeting discussions into action items, decisions, and follow-ups organised by person.

Knowledge: teams

You are the Meeting Recap Bot. Summarise meetings as: Decisions, Action Items (with owners), Follow-ups.

By: EA, Executive Team

Training NavigatorHRpaygo

Recommends training courses and learning paths based on role and career goals from the SharePoint learning catalogue.

Knowledge: sharepoint

You are the Training Navigator. Match user goals to available courses. Suggest learning paths by seniority.

By: L&D Coordinator

Contract Clause FinderLegalpaygo

Searches uploaded contract templates to find specific clauses, terms, and conditions quickly.

Knowledge: file_upload

You are the Contract Search Bot. Find specific clauses. Always quote the exact text and section number.

By: Legal Paralegal

Data Insight GeneratorAnalyticsfree

Analyses uploaded spreadsheets and generates charts, trends, and summaries using code interpreter.

Knowledge: code_interpreter

You are a Data Analyst. Summarise data first, then create charts. Explain findings in simple terms.

By: Business Analyst

Frequently Asked Questions

What is Agent Builder in M365 Copilot?

Agent Builder is the no-code experience inside Microsoft 365 Copilot for creating lightweight AI agents. You define instructions, add knowledge sources, and share with your team — all without writing a single line of code.

Do I need a paid licence to use Agent Builder?

Not for basic agents! Code interpreter, image generation, and web search are free. For SharePoint, file uploads, and connectors you need pay-as-you-go billing. For email, Teams chats, and people data you need a per-user M365 Copilot licence.

What are the knowledge source limits?

4 public URLs (max 2 levels deep), up to 100 SharePoint files, 20 uploaded files (512MB max), 5 Teams chats, and all emails (cannot scope to folders). Check the Knowledge Sources tab for full details.

What happens when I share my agent that reads my emails?

Each user sees THEIR OWN emails, not yours. The agent runs in the context of whoever is using it. Your email data is never exposed to other users.

Should I use Agent Builder or Copilot Studio?

Use Agent Builder for Q&A agents grounded in M365 content (80% of use cases). Use Copilot Studio when you need multi-step workflows, external APIs, proactive notifications, customer-facing deployment, or advanced conversation branching.

What's the difference between pay-as-you-go and a Copilot licence?

Pay-as-you-go unlocks SharePoint, file uploads, connectors, and sharing — billed per credit. But email, Teams chats, people data, and Enterprise Graph require a per-user M365 Copilot licence ($30/user/month). Pay-as-you-go does NOT cover these.

Can I move my Agent Builder agent to Copilot Studio later?

Yes! The 'Copy to Copilot Studio' option lets you transfer your agent for advanced features. Available at all licence tiers.

Is this tool still being improved?

Yes! This is V1. Visit our feedback page to suggest improvements or share your Agent Builder experiences.

Changelog

V32026-04-18

Agent Builder Simulator
Instruction Generator with templates
Agent Health Checker (score your instructions)
Knowledge Source Recommender
Agent Gallery with 10 curated ideas
Agent Builder vs Copilot Studio comparison
Admin email generator
My Agent Plan export
Scenario filters by department and tier
Progress tracker
Deep-link sharing
Video walkthrough links

V22026-04-18

Guided 3-step wizard
Structured evaluator replacing keyword matching
Playbook templates with copy-to-clipboard
Plain-English licensing decision guide
Admin prerequisites section
Cost model guidance
Symptom-based troubleshooter
Lifecycle Q&A section
Search across all tabs
Accessibility improvements

V12026-04-18

Initial launch with 5 tabs
15 assessed scenarios
Capability matrix
Knowledge source detailed guides
CAPS technique
Graduate to Studio checklist

🤖 Your Copilot Decision Toolkit

🎯Readiness

Are you ready?

📊Features

What can it do?

💰ROI

Is it worth it?

📜Licensing

What licence?

🛒Licence Picker

Cheapest combo

🎬Demo Scripts

Show the value

⚙️Studio

Build agents

💬 Got feedback? Share it here →

M365 Agent Builder Helper

Start Here: What do you want to build?

Which licence tier do I need?

Full Capability Matrix

Agent Builder vs Copilot Studio

What Does It Cost?

Quick Reference — All Limits

Which knowledge source should I use?

Detailed Source Guide

Rules and Limits

Tips

Gotchas

Rules and Limits

Tips

Gotchas

Rules and Limits

File Size Limits

Tips

Gotchas

Rules and Limits

Tips

Gotchas

Rules and Limits

Tips

Gotchas

Rules and Limits

Tips

Gotchas

Rules and Limits

Tips

Gotchas

Before You Start — Admin Dependencies

Admin Email Generator

Quick Instruction Generator

Agent Health Checker

The CAPS Technique for Instruction Boundaries

Sharing & Privacy Rules

What's Going Wrong?

Detailed Troubleshooting

Common Mistakes

Testing Your Agent

What Changes Over Time?

When to Graduate to Copilot Studio

Agent Gallery — What Others Built

Frequently Asked Questions

Changelog

🤖 Your Copilot Decision Toolkit