Open Outlook
Sign in with a Microsoft 365 account that includes Copilot
Open an email, calendar item, or compose a new message
Click the Copilot icon or Copilot button in the Outlook toolbar
Select a Copilot action such as draft, summarize, rewrite, or coach
Enter a prompt if requested
Review the suggested content or summary
Edit the result if needed
Insert the content into your email or calendar item
Send the email or save the changes
Use Copilot in the inbox to summarize long email threads
Use Copilot while composing to generate a draft reply
Use Copilot to adjust tone, length, or clarity
Use Copilot to prepare meeting summaries and follow-up emails
Use Copilot to search for relevant information across your mailbox if available