Setting up Windows 11 Mail

The instructions and screenshots in this setup guide are for the Mail application on Windows 11.

Windows 11 Mail needs its own app password to access your information. If you use your normal password, emails won't download to Windows 11 Mail and you will see a password error.

Set up your email

You can easily add your Fastmail account to Windows 11 Mail using the setup guide in Settings → Import & Setup. The general setup instructions are as follows:

  1. Open Windows Mail and click the hamburger button to expand the sidebar. Then, click Accounts to navigate to the Manage accounts screen. 

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  2. Select Add Account.
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  3. On the "Add an account" screen, select Advanced setup.

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  4. On the "Advanced setup" screen, choose Internet email.

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  5. On the next screen, enter your account details. You may need to scroll down.

    • Email address: Your full Fastmail email address, including the domain.
    • Username: Your full Fastmail account name in username@domain.tld format.
    • Password: Your Windows Mail app password. (What is an app password?)
    • Account name: How Windows Mail will refer to this account in future. This is not shown to anyone else.
    • Send your messages using this name: This is shown in the From: field of your emails.
    • Incoming email server: Set to imap.fastmail.com
    • Account type: Set to IMAP4
    • Outgoing SMTP server: Set to smtp.fastmail.com
    • Outgoing server requires authentication: Leave enabled.
    • Use the same username and password for sending email: Leave enabled.
    • Require SSL for incoming email: Leave enabled.
    • Require SSL for outgoing email: Leave enabled.

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    Click Sign in.

  6. Congratulations! Success!

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Calendars and contacts

Windows 11 only supports a limited number of external contact and calendar servers, and does not support syncing Fastmail contacts and calendars. We have seen workarounds to sync the Fastmail contacts and calendars; however, we do not recommend these workarounds.

You will need to use a third party plugin to sync Fastmail contacts and calendars. We haven't tested any plugins from our end, but you are free to choose one.

Please note: we are not able to provide support for troubleshooting and maintaining the third party plugins, as these are not hosted on our service.

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