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Find answers to common questions about Copilot Cowork in Microsoft 365 Copilot.
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Find answers to common questions about Cowork in Microsoft 365 Copilot.
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## What is Copilot Cowork?
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## What is Cowork?
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Cowork is available in Microsoft 365 Copilot. It carries out tasks on your behalf. For example, it can send emails, schedule meetings, create documents, post in Teams, and handle multi-step tasks across your Microsoft 365 environment.
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## What can Copilot Cowork do for me?
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## What can Cowork do for me?
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Cowork can send emails, schedule meetings, create documents (Word, Excel, PowerPoint, PDF), post in Teams, manage your calendar, prepare daily briefings, search across your organization, conduct deep research, and draft stakeholder communications. You can also schedule prompts to run automatically.
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For a full breakdown by category, see [What can Copilot Cowork do for you?](index.md#what-can-copilot-cowork-do-for-you)
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## What skills does Copilot Cowork have?
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## What skills does Cowork have?
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Cowork has 13 built-in skills: Word, Excel, PowerPoint, PDF, Email, Scheduling, Calendar Management, Meetings, Daily Briefing, Enterprise Search, Communications, Deep Research, and Adaptive Cards. You can also create your own custom skills by placing a `SKILL.md` file in a subfolder of your OneDrive `/Documents/Cowork/Skills/` folder (for example, `/Documents/Cowork/Skills/weekly-report/SKILL.md`).
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Getting started takes just a few steps.
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1. Open [Microsoft 365 Copilot](https://m365.cloud.microsoft).
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2. Select the **Copilot Cowork**.
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2. Select **Cowork**.
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3. Describe the task you want to accomplish. You can type up to 16,000 characters and attach files by dragging them into the chat or using the file picker.
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4. Send your message. Copilot Cowork begins processing your request.
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4. Send your message. Cowork begins processing your request.
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## Does Copilot Cowork work on mobile devices?
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## Does Cowork work on mobile devices?
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Copilot Cowork is currently available in your browser at [m365.cloud.microsoft](https://m365.cloud.microsoft) and in the Microsoft 365 Copilot desktop app for Windows and Mac. Mobile support is not yet available.
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Cowork is currently available in your browser at [m365.cloud.microsoft](https://m365.cloud.microsoft) and in the Microsoft 365 Copilot desktop app for Windows and Mac. Mobile support is not yet available.
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## What file types does Copilot Cowork support?
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## What file types does Cowork support?
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You can attach a wide variety of files to your conversations. Copilot Cowork supports the following categories:
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You can attach a wide variety of files to your conversations. Cowork supports the following categories:
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## How does action approval work?
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Before Copilot Cowork takes a sensitive action like sending an email or posting in Teams, it displays an approval prompt. Approvals for medium and high risk actions include a risk level indicator so you can gauge the impact. Your choices are:
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Before Cowork takes a sensitive action like sending an email or posting in Teams, it displays an approval prompt. Approvals for medium and high risk actions include a risk level indicator so you can gauge the impact. Your choices are:
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-**Approve**: Let Copilot Cowork proceed with the action this one time.
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-**Approve**: Let Cowork proceed with the action this one time.
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-**Approve & Remember**: Allow the action now and skip the prompt for similar actions in the current conversation.
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-**Reject**: Stop Copilot Cowork from taking the action.
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-**Reject**: Stop Cowork from taking the action.
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You can also select **Show parameters** to see the technical details of the action before deciding.
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> [!NOTE]
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> For some actions, such as sending an email, posting a Teams message, or scheduling a meeting, Copilot Cowork shows you a preview of the content so you can review it before approving.
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> For some actions, such as sending an email, posting a Teams message, or scheduling a meeting, Cowork shows you a preview of the content so you can review it before approving.
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## Can I pause or stop Cowork while it's working?
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## Can I schedule recurring prompts?
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Yes. Describe what you want and when in your message — for example, "Send me a daily briefing every morning at 9 AM." Copilot Cowork sets up the schedule based on your request. You can manage your scheduled prompts from the **Scheduled** tab in the **Tasks** view, or from the **Schedule** section of the side panel.
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Yes. Describe what you want and when in your message — for example, "Send me a daily briefing every morning at 9 AM." Cowork sets up the schedule based on your request. You can manage your scheduled prompts from the **Scheduled** tab in the **Tasks** view, or from the **Schedule** section of the side panel.
Cowork is available in Microsoft 365 Copilot. You describe what you need—draft an email, build a spreadsheet, schedule a meeting—and Cowork handles it. This article walks you through your first conversation, from sending a request to reviewing the result.
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Cowork is available in Microsoft 365 Copilot. You describe what you need—draft an email, build a spreadsheet, schedule a meeting—and Cowork handles it. This article walks you through your first conversation, from sending a request to reviewing the result.
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## Prerequisites
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Before you begin, make sure you have:
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-**Microsoft 365 Copilot access**: An active Microsoft 365 Copilot license assigned to your account and enrollment in the frontier program.
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-**A modern browser**: Microsoft Edge or Google Chrome recommended.
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-**Copilot Cowork available**: Cowork is enabled in your Microsoft 365 Copilot environment.
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-**Cowork available**: Cowork is enabled in your Microsoft 365 Copilot environment.
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-**Access to Anthropic subprocessing**: Cowork uses Anthropic models as a subprocessor to ensure secure and responsible use of Anthropic models within your organization. Details about the integration can be found at [Anthropic as a subprocessor for Microsoft Online Services](/microsoft-365/copilot/connect-to-ai-subprocessor).
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Cowork works in your browser at [m365.cloud.microsoft](https://m365.cloud.microsoft), in Outlook and Teams, and in the Microsoft 365 Copilot desktop app for Windows and Mac.
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## Open Copilot Cowork
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## Open Cowork
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1. Open [Microsoft 365 Copilot](https://m365.cloud.microsoft).
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1. Select **Cowork**.
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> [!TIP]
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> The more specific you are, the better your results. Instead of *send an email*, try *Send an email to the marketing team summarizing last week's campaign results and format the summary as a PDF*.
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## Watch Copilot Cowork work
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## Watch Cowork work
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After you send your message, Cowork begins processing your request. Here's what appears in the chat as each step happens:
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## Find your past work
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Select the **Tasks** view to see everything you asked Copilot Cowork to do. Here you can:
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Select the **Tasks** view to see everything you asked Cowork to do. Here you can:
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- Switch between **list view**, **kanban board**, and the **Scheduled** tab depending on how you like to organize.
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- Select any task to open it and resume the conversation.
Copy file name to clipboardExpand all lines: copilot/cowork/index.md
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---
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title: "Copilot Cowork overview (Frontier)"
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description: "Learn about Copilot Cowork in Microsoft 365 Copilot, which take action on your behalf."
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ms.date: 03/30/2026
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description: "Learn about Copilot Cowork in Microsoft 365 Copilot, which takes action on your behalf."
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ms.date: 04/02/2026
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ms.topic: overview
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author: leeclontz
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manager: KumarVivek
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ms.author: leeclontz
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ms.reviewer: angieandrews
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ms.service: microsoft-365-copilot
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ms.subservice: cowork
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ai-usage: ai-generated
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appliesto:
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- Microsoft 365 Copilot
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Cowork in Microsoft 365 Copilot can carry out tasks on your behalf. You describe what you need, and Cowork sends emails, schedules meetings, creates documents, posts in Teams, and manages your calendar. You approve each action before it happens.
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## What is Copilot Cowork?
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:::image type="content" source="media/cowork-overview-interface.png" alt-text="Screenshot of the Copilot Cowork home page showing the chat input, suggested prompts, and recent tasks." lightbox="media/cowork-overview-interface.png":::
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## What is Cowork?
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Cowork is available in Microsoft 365 Copilot. It carries out tasks across your Microsoft 365 environment. Rather than describing what you could do, it does the work.
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For a detailed description of each skill, see [Copilot Cowork skills](use-cowork.md#cowork-skills).
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You can extend Copilot Cowork with custom skills stored in your OneDrive. Create a subfolder in `/Documents/Cowork/Skills/` and place a `SKILL.md` file inside it (for example, `Documents/Cowork/Skills/weekly-report/SKILL.md`). Copilot Cowork discovers your custom skills automatically at the start of each conversation. You can create up to 20 custom skills.
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You can extend Cowork with custom skills stored in your OneDrive. Create a subfolder in `/Documents/Cowork/Skills/` and place a `SKILL.md` file inside it (for example, `Documents/Cowork/Skills/weekly-report/SKILL.md`). Cowork discovers your custom skills automatically at the start of each conversation. You can create up to 20 custom skills.
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As Copilot Cowork loads skills during a conversation, the side panel updates to show which skills are active.
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As Cowork loads skills during a conversation, the side panel updates to show which skills are active.
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## How you work with Copilot Cowork
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## How you work with Cowork
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Here's how a typical interaction works:
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## Stay in control
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You control what Copilot Cowork does throughout a conversation.
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You control what Cowork does throughout a conversation.
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-**Approve actions**: Cowork asks for your permission before taking sensitive actions, with a risk level indicator for medium and high risk actions. You can **Approve**, **Approve & Remember** (for the current conversation), or **Reject**.
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-**Pause, resume, and cancel**: Pause at any time, resume when ready, or cancel the current task.
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## Manage your work
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Copilot Cowork helps you stay organized with built-in project and task management.
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Cowork helps you stay organized with built-in project and task management.
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-**Task views**: Display your tasks in a sortable **list view**, a visual **kanban board**, or the **Scheduled** tab to manage your scheduled prompts. Each task shows a status: **In progress**, **Needs user input**, **Done**, or **Failed**.
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## Data protection and privacy
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Copilot Cowork adheres to the data protection policies detailed in [Privacy, security, and compliance in Microsoft OneDrive](/sharepoint/onedrive-privacy-security-overview).
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Cowork adheres to the data protection policies detailed in [Privacy, security, and compliance in Microsoft OneDrive](/sharepoint/onedrive-privacy-security-overview).
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## Get started
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Copilot Cowork is available in your browser at [m365.cloud.microsoft](https://m365.cloud.microsoft) and in the Microsoft 365 Copilot desktop app for Windows and Mac.
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Cowork is available in your browser at [m365.cloud.microsoft](https://m365.cloud.microsoft) and in the Microsoft 365 Copilot desktop app for Windows and Mac.
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Learn more in [Get started with Copilot Cowork](get-started.md).
Copilot Cowork in Microsoft 365 Copilot carries out tasks on your behalf, such as sending emails, creating documents, scheduling meetings, and searching across your organization. This article explains everything you can do with Cowork.
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Cowork in Microsoft 365 Copilot carries out tasks on your behalf, such as sending emails, creating documents, scheduling meetings, and searching across your organization. This article explains everything you can do with Cowork.
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