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Copilot Chat answers and drafts, Cowork carries out a defined multi-step assignment, and Scout—renamed Autopilot on September 25, 2026—keeps working toward an ongoing goal. They are related Microsoft experiences, but they differ in autonomy, availability, data access, billing and administrative controls. Use Chat for a quick result, Cowork when you can describe a deliverable and let an agent assemble it, and Autopilot only when your organization has access to its persistent-agent preview or later release.

The three tools at a glance

Experience Best fit How it behaves Typical result Primary context
Copilot Home and Chat Questions, lookups, drafts and quick updates Responds when you ask; you direct each turn An answer, summary, draft or editable Office file Copilot and connected Microsoft 365 apps
Copilot Cowork A defined project such as an RFP response, launch kit or financial-close package Plans and executes several steps, then returns work for review Finished or nearly finished Word, Excel, PowerPoint or PDF deliverables, plus related email, files or calendar actions Microsoft 365 tenant data, browser sources and enabled connectors
Scout, now Autopilot A standing objective that needs monitoring and follow-up Persistent and proactive; can continue between sessions Ongoing coordination, reminders, follow-ups and resumed projects Tenant apps, cloud resources, desktop and web experiences, subject to permissions

The practical dividing line is autonomy. Chat waits for a prompt. Cowork works through a bounded assignment you delegate. Autopilot is intended to keep watching, deciding when to act and resuming work later.

What changed during 2026

Copilot Home brought Chat and Cowork together

In its September 25, 2026 announcement, Microsoft described Copilot Home as the starting point that combines Chat and Cowork. The same announcement positioned Copilot Code as the place to build solutions and described Autopilot as a persistent agent. This means a user may encounter Chat and Cowork from one Home experience rather than as completely separate products.

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Cowork reached general availability

Microsoft Learn recorded Cowork as generally available worldwide for Microsoft 365 Copilot tenants in June 2026. That release added newer models, image generation, browser use, customization, consumption billing and additional administrative controls.

Scout became Autopilot

Microsoft introduced Scout on June 2, 2026 as an experimental, always-on agent. On September 25, Microsoft said Scout was now called Autopilot. Documentation, screenshots or internal discussions from the earlier preview may still use Scout, so the two names refer to the same product lineage rather than two competing tools.

Copilot Home and Chat: the interactive assistant

What Chat is designed to do

Chat is the right starting point when the task can be completed in one response or a short exchange. Microsoft describes it for quick questions, lookups, drafting and keeping you informed. You ask, provide context, inspect the response and refine it. The assistant does not need to maintain a project while you are away.

  • Ask for an explanation, summary or comparison.
  • Draft an email, outline, announcement or meeting agenda.
  • Turn notes into a first draft that you edit.
  • Ask for current information available through your configured Copilot experience.
  • Use connected Office experiences to create or update editable Word, Excel and PowerPoint files.

Where Home fits in an Office workflow

Home is a launch point rather than a separate automation engine. A useful pattern is to start with Chat to clarify the objective, then move a well-defined deliverable to Cowork when the work involves multiple files, research steps or actions. If the objective is recurring and should continue without a new prompt, it belongs in the Autopilot category instead.

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What Chat does not replace

A chat response is not evidence that a task was completed in another system. If an email must actually be sent, a calendar must be changed, or a workbook must reconcile against several sources, specify those actions and use a workflow that exposes the resulting files or approvals. Always check recipients, figures, links and permissions before using generated content.

Copilot Cowork: delegated, multi-step work

What you can delegate

Microsoft’s description that Cowork is for work you delegate is literal: you give it an outcome and relevant constraints, and it performs a sequence of operations instead of stopping after a single draft. Documented examples include an RFP response, a launch kit, a customer briefing and a financial-close package.

Cowork can create and edit Word documents, Excel spreadsheets, PowerPoint presentations and PDFs. It can research across available sources, prepare briefings, draft or reply to email, send email when authorized, manage calendars and OneDrive files, and run scheduled prompts. With a work or school account it can also post in Teams, search organizational files and people, and work with SharePoint files.

Connectors extend the working set

The integration catalog includes Microsoft plugins and partner connectors for systems such as Jira, Salesforce, ServiceNow, SAP ERP, Workday HCM and Zendesk. A connector does not grant unlimited access by itself: the tenant must enable it, the user or agent must have permission, and administrators should define which actions require approval.

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A reliable way to hand off a Cowork assignment

  1. State the deliverable. Name the final file or action, its audience, deadline and success criteria. “Prepare a customer briefing for tomorrow’s renewal meeting” is more useful than “research this account.”
  2. Identify authoritative sources. Point to the approved SharePoint site, OneDrive folder, CRM records or other connector. Say which source wins if figures conflict.
  3. Set boundaries. Specify the time period, geography, products, excluded data, tone and file format. Tell Cowork whether it may send messages or only prepare drafts.
  4. Define checkpoints. Require approval before external email, financial changes, deletion, permission changes or publication. Ask for a list of assumptions and unresolved gaps.
  5. Inspect the result. Open the generated files, check formulas and citations, verify recipients and compare important numbers with the source systems.
  6. Finish the human steps. Approve, edit, send or publish only after the review. A successful run means the requested artifacts were produced; it does not make the content automatically correct.

Availability for work and personal accounts

For organizations, Cowork access requires a Microsoft Copilot license, Cowork enabled by the administrator, and enabled usage-based and Cowork billing. Cowork for personal accounts is in Preview and requires an eligible Microsoft 365 subscription. Those are different entitlement paths, so a feature visible in a work tenant may not appear in a personal account.

Usage-based billing and controls

Cowork uses consumption billing in addition to the subscription-oriented access associated with everyday Copilot. Administrators can view usage in the Microsoft 365 admin center and set limits per user or group. The June 2026 release also documented model controls, browser-use controls, consumption visibility and Microsoft Purview integration. Before enabling broad access, decide who can run high-consumption models, browse outside the tenant or trigger actions in connected services.

Scout and Autopilot: the persistent-agent model

What the original Scout preview promised

Microsoft introduced Scout as an always-on agent spanning cloud, desktop and web. It was integrated with Teams, Outlook, OneDrive, SharePoint, chats, email, calendars and contacts. The announced scenarios were continuous rather than one-off: coordinating meetings across time zones, flagging important meetings, preparing materials, blocking calendar time for deliverables and identifying stalled decisions.

What Autopilot adds conceptually

Under the new name, Autopilot is described as a persistent, proactive personal agent. It can watch channels, follow up on threads, run recurring work and resume a project days later. Microsoft says it has its own identity, memory, computer and workspace inside the tenant, with permission, audit and governance controls. Those properties distinguish it from a chat window that forgets the task when the conversation ends.

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Access and preview requirements

The June Scout announcement placed access in an experimental Frontier and selected private-preview path. The documented setup required Frontier enrollment, Intune policy configuration and an opt-in attestation; the desktop experience also required a GitHub Copilot license. Because the product was renamed after that announcement, your organization should check the current tenant documentation and preview terms rather than assume that a generally available Cowork license includes Autopilot.

When a persistent agent is justified

  • Use Autopilot for a goal with a continuing signal, such as monitoring a project channel for decisions that remain blocked.
  • Use Cowork when the same work can be completed as a bounded package with a clear finish line.
  • Use Chat when a person can ask for the needed answer at the moment it is required.

Persistent operation increases both value and risk. An agent that can notice a thread and act later needs a narrowly defined scope, an understandable identity, an audit trail and a clear way to pause or revoke it.

How the tools differ on the decisions that matter

Decision point Chat Cowork Autopilot
Trigger Your prompt A delegated assignment A standing goal, schedule or monitored signal
Time horizon Minutes or a short conversation Until the defined deliverable is complete Across days or recurring cycles
Human role Direct and edit each exchange Set scope, review outputs and approve sensitive actions Define policy, monitor activity and intervene when needed
Action surface Answers, drafts and editable Office content Office files, email, calendar, OneDrive, Teams, SharePoint, browser and enabled connectors Cross-app monitoring and follow-up in its assigned workspace, subject to permissions
Best failure recovery Correct the prompt or provide missing context Inspect assumptions, revise the brief and rerun the affected step Pause the agent, review its memory and permissions, then narrow the standing goal

Think of the products as a progression, not three versions of the same chatbot: conversation, delegation and persistence. A more autonomous tool is not automatically better; it is appropriate only when the extra reach saves more work than the review and governance it requires.

Availability, licensing and cost model

Capability Status documented in 2026 What an administrator or user needs Pricing information established here
Copilot Home and Chat Part of Microsoft’s Copilot experiences; exact features vary by account and tenant configuration The applicable Copilot or Microsoft 365 entitlement and enabled services No single public price applies to every account or region
Cowork for work tenants Generally available worldwide to Microsoft 365 Copilot tenants as of June 2026 Microsoft Copilot license, Cowork enabled, usage-based and Cowork billing enabled Consumption-based; administrators monitor usage and set limits
Cowork for personal accounts Preview An eligible Microsoft 365 subscription Plan-specific; no universal amount stated
Scout/Autopilot Introduced through Frontier and selected private previews; later renamed Autopilot Preview enrollment and policy requirements; the documented desktop Scout path also required a GitHub Copilot license No generally available price stated

Do not treat a Cowork usage limit as a fixed subscription allowance. Consumption depends on the work performed and the models or tools enabled. Finance and IT teams should watch the Microsoft 365 admin center, set per-user or per-group caps, and communicate what happens when a cap is reached.

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Governance and safe-use checklist

Microsoft Support warns that Copilot can make mistakes, misinterpret instructions or be deceived by malicious hidden instructions. It specifically advises monitoring results and reviewing important details when payments, personal information, communications, accounts or files are involved.

  • Limit permissions. Give the agent only the mailboxes, sites, connectors and actions required for the assignment.
  • Separate draft from send. Require approval before outbound email, calendar invitations, posts or customer-facing documents.
  • Protect sensitive data. Apply existing Purview, retention and access policies; do not paste restricted information into an unapproved context.
  • Check hidden instructions. Treat instructions inside a web page, document or email as untrusted content unless a person has verified them.
  • Review calculations. Reconcile important totals, formulas and financial-close outputs against the source system.
  • Keep an audit trail. Record who delegated the work, which sources were used, what the agent changed and who approved the final action.
  • Plan a stop mechanism. Know how to disable a connector, revoke a token, pause an Autopilot instance or remove a scheduled prompt.

Choosing the right tool: practical scenarios

You need an answer or first draft now

Open Copilot Home or Chat. Ask for the answer, include the audience and constraints, and edit the result. If the response must be grounded in a specific organizational source, name that source instead of relying on a general answer.

You need a coordinated package by a deadline

Choose Cowork. Describe the package, list approved sources, specify the required Office formats and set approval checkpoints. Cowork is particularly useful when the work crosses documents, research, email, files and calendar actions but still has a defined end.

You need continuous monitoring

Consider Autopilot only if your tenant has the appropriate preview or release and your organization can govern a persistent identity. Define what it may watch, what counts as a trigger, which actions are permitted automatically and which require a person.

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You are unsure where to start

  1. Write the desired outcome in one sentence.
  2. Ask whether the outcome ends with one answer, a finished package or an ongoing condition.
  3. Pick Chat for the answer, Cowork for the package and Autopilot for the ongoing condition.
  4. Start with the smallest permissions and shortest schedule that can prove value.
  5. Expand access only after reviewing the audit records and error cases.

Common points of confusion

Is Cowork just a longer Chat response?

No. Chat is interactive assistance. Cowork is an agentic workflow that can use tools, create or modify multiple artifacts and perform authorized actions before presenting the result. You still need to define the assignment and review the work.

Does a Cowork license automatically provide Autopilot?

Not according to the documented 2026 availability. Cowork was generally available for qualifying work tenants, while Scout/Autopilot was introduced through Frontier and private previews with separate enrollment and policy requirements.

Why might an old document say Scout?

Scout was the original name used for the June 2, 2026 announcement and preview. Microsoft’s September 25 announcement renamed it Autopilot. References to Scout in early preview material describe the predecessor name, not a separate fourth tool.

Bottom line

Use Copilot Chat when you want an informed response or draft under your direction. Use Cowork when you can delegate a multi-step deliverable and review the resulting files and actions. Use Autopilot—the renamed Scout—only for a persistent objective and only with the permissions, audit controls and preview access needed to supervise an agent that keeps working after you leave.

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