Outlook.com IMAP connection errors

You may receive a connection error if you configured your Outlook.com account as IMAP in multiple email clients. 

  1. Go to account.live.com/activity and sign in using the email address and password of the affected account or go to https://account.microsoft.com/security 

  2. Under Recent activity find the Session Type event that matches the most recent time you received the connection error and click to expand it.

  3. Select This was me to let the system know you authorize the IMAP connection.

  4. Attempt to connect to the account via your IMAP client.

    For more information on how to use the Recent activity page, go to What is the recent activity page?

If you use Outlook.com to access an account that uses a domain other than @live.com, @hotmail.com, or @outlook.com, you might not be able to sync your accounts using IMAP. To resolve this, remove the connected IMAP account in Outlook.com and reconfigure it as a POP connection. For instructions about how to reconfigure your account to use POP, contact your email account provider.

 

  • IMAP server name imap-mail.outlook.com

  • IMAP port 993

  • IMAP encryption method TLS

  • POP server name pop-mail.outlook.com

  • POP port 995

  • POP encryption method TLS

  • SMTP server name smtp-mail.outlook.com

  • SMTP port 587

  • SMTP encryption method STARTTLS

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