Last updated: April 2025
Important: Copilot in Outlook only supports work or school accounts, and Microsoft accounts using outlook.com, hotmail.com, live.com, and msn.com email addresses at this time. Email accounts from third-party email providers such as Gmail, Yahoo, and iCloud can use Outlook but won't have access to Copilot features.
What can Copilot in Outlook do?
Copilot combines the power of large language models (LLMs) with Outlook data to help you stay productive in the workplace.
Summarize: Quickly extracts key points from email threads.
For more information, see Summarize an email thread with Copilot in Outlook.
Draft with Copilot: Generates full-length email drafts from prompts based on thread context and organizational information. Just type /, select Draft with Copilot, and enter your prompt in the dialog box.
For more information, see Draft an email message with Copilot in Outlook.
Coaching by Copilot: Provides feedback on email drafts by suggesting improvements for tone, sentiment, and clarity. If you like the suggestions Coach offers, you can apply them directly to the email draft by selecting Apply all suggestions For more information, see Email coaching with Copilot in Outlook.
Chat with Copilot: Have conversations about information that's specific to your organization and information available on the web. The Copilot window opens beside the existing Outlook window, so you can interact and chat with Copilot while continuing to use Outlook.
For more information, see Chat with Copilot in Outlook
Themes by Copilot: Generates AI-generated themes based on users' context, style preferences, and interests. Open the custom theme creator to build your own theme or click one of the other tiles to apply a default Copilot theme.
For more information, see Create an Outlook theme with Copilot
Note: The feature is available to customers with a Microsoft 365 Copilot (work) license. For information about how to get Copilot see Where can I get Microsoft Copilot?
Schedule meetings or events using chat: You can use Copilot chat in Outlook to schedule meetings with up to two other people, or add other events, like focus time, to your calendar.
For more information, see Chat with Copilot in Outlook
These features are not supported on signed or encrypted emails, on emails with IRM, or on some MIP labeled emails. For a comprehensive guide on using Copilot in Outlook, see Welcome to Copilot in Outlook.
Prepare for your meeting: Prepare for your meeting with Copilot is a feature that will help users arrive at their meeting better prepared by gathering and summarizing key information about a meeting, identifying action items and summarizing pre-reads and communications such as emails and chats that are related to the meeting.
For more information, see Prepare for your meeting with Copilot
Recommend times to go into the office: If you have a hybrid work environment where you're in the office on some days and working from home on other days, Copilot can automatically suggest days that might be best for you to go into the office based on meetings you have, or the work plans of others on your team.
Select a heading below for more information
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Summary by Copilot is available via the Summarize button at the top of each message thread.
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Draft with Copilot and Coaching by Copilot are available from the Copilot button
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You can create a meeting invitation with Copilot by opening an email thread and using the Schedule with Copilot button on the ribbon.
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Chat with Copilot is available when you select the Copilot icon from the navigation header. This option is only available for businesses with a Microsoft 365 Copilot subscription. Sign in with your Microsoft account or visit Where can I get Microsoft Copilot? to learn more.
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Themes by Copilot are available in Appearance Settings.
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Prepare for your meeting is available from the meeting's calendar item in Outlook.
Copilot in Outlook was evaluated through extensive manual and automated testing. More evaluation was performed over custom datasets for offensive and malicious prompts (user questions) and text and image responses. In addition, Copilot in Outlook is continuously evaluated with user online feedback.
For more information, please visit Transparency Note for Microsoft 365 Copilotto learn more.
Copilot scenarios in Outlook are only available on a user's primary mailbox. They are not available on a user's archive mailbox, group mailboxes, or shared and delegate mailboxes that they have access to. Copilot scenarios are not supported on mailboxes that are not hosted on Exchange Online.
Copilot in Outlook can't access S/MIME or Double Key Encryption encrypted emails.
Chatting with Copilot in Outlook is only available if you're using a work or school account and you're using new Outlook for Windows or Outlook on the web.
Right now, themes by Copilot can be generated based on a place of interest, your current location, or your weather. Available styles include realistic, oil painting, and cartoon. Additional theme types, styles, and open prompting are not currently supported.
In meetings that have no related content shared such as lack of documents shared with attendees, or lack of prior emails and chat history between participants, the Prepare feature may not produce a comprehensive summary and may respond with generic responses. Also, Copilot will not generate a summary for meetings with content that includes potentially harmful or offensive content.
As with any AI generated content it's a great tool to get started, but it's important that you review, edit, and verify anything it creates for you.
Many languages are supported in Copilot scenarios. Find more information at Supported languages for Microsoft Copilot.
When summarizing email Copilot will try to detect the language of the email and summarize in that language.
Important: Language detection in summarize is currently available in Android, iOS, and Mac. It's coming to Windows and web in the future.
For Draft with Copilot, you can choose what tone and length settings Copilot uses to generate content. See more about how to draft an email message with Copilot in Outlook.
Eligible users of MicrosoftCopilot for Sales can bring relevant information from their CRM or ERP tools while summarizing and drafting emails. In Outlook Web and the New Outlook for Windows, you will see a dropdown in the Draft with Copilot and Summary by Copilot experiences to enable this sales focus. The sales focus will be the default for emails with external recipients.
For themes by Copilot, you can style your theme and choose a refresh frequency to make your theme dynamic.
For summarize email, on Android, iOS, and Mac, you can change the summarize language to be the same as the language your app is in rather than the language the email is in. This setting doesn't persist after you close Outlook, however, the next time you start Outlook Copilot will default to summarizing in the language of the email.
Copilot and Microsoft 365 are built on Microsoft's comprehensive approach to security, compliance, and privacy.
For more information about privacy, see the following information:
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If you're using Microsoft 365 Copilot in your organization (with your work or school account), see Data, Privacy, and Security for Microsoft 365 Copilot.
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If you're using Copilot in Microsoft 365 apps for home (with your personal Microsoft account), see Copilot in Microsoft 365 apps for home: your data and privacy.
For new Outlook for Windows and web, Copilot will roll out directly to Standard Release environments once it has complied with the advance notice requirements.
No, Copilot in Outlook will deploy to Targeted and Standard release at the same time.
