Setting Up Thunderbird for O365 (IMAP)

If this is your first time using Thunderbird, you will see a window prompting you for your name, email address, and password. If you already have Thunderbird configured for another account, click the name of that account and select the Email option under the Create a new account heading.

IMAP Settings:
  • Server name: outlook.office365.com
  • Port: 993
  • Encryption method: TLS
SMTP Settings:
  • Server name: smtp.office365.com
  • Port: 587
  • Encryption method: STARTTLS

  1.  If this is your first time using Thunderbird, you will see a window prompting you for your name, email address, and password. If you already have Thunderbird configured for another account, Click on the name of that account and select the Email option under the “Create a new account” heading.

    • a. Type your full name, nickname, or any name you prefer into the Your Name: field.
    • b. Type your email address into the Email Address: field. Use your Northwestern email address, e.g. a-sample@northwestern.edu.
    • c. Type your NetID password into the Password: field.

  2. Click the Continue button.  Thunderbird will give you a message that said "fail to find the settings for your email account". This is expected and desired. You will now want to change the settings affiliated with your account so they match the settings in this image:


    • a. Type [your NetID]@ads.northwestern.edu into the Username: field, for both Incoming and Outgoing
    • b. Set the Incoming settings 
      • 1. Change the Server to outlook.office365.com
      • 2. Change the Port to 993
      • 3. Change the SSL setting to SSL/TLS
      • 4. Change the authentication type to Normal Password
    • c. Set the Outgoing settings
      • 1. Change the Server to smtp.office365.com
      • 2. Change Port setting to 587, Thunderbird sometimes blocks this option during initial configuration.
      • 3. Change the SSL setting to STARTTLS. This may change your port setting automatically. Don’t worry, we’ll set it to the correct value at a later step.
      • 4. Change the Authentication type to Normal Password

  3. In the bottom left of the setup window, click the Advanced Config button.
    • Click the Outgoing Server (SMTP) option, and verify that the screen looks as follows:



    • If your screen does not match the image, click the Edit button and modify the settings as necessary (you will likely need to change the Port to 587)

  4. Click the OK button.

Your account will now be configured to receive email, but it will not be able to send mail. Allow your account some time to download all of the emails in your account, then take the following steps to configure the account to send mail:
  1. Subscribe to your Exchange folders
    • Click File in the upper left hand corner of the screen
    • Click Subscribe.
    • Click into the Account: field and select your Northwestern email address.
    • Check every folder in the list you wish to subscribe to. You must check the Sent Items folder, and you must not check Calendar or Contacts.
    • Click Subscribe.
    • Click OK.
  2. Configure Sending
    • Once your folders have downloaded, click your account name in the left pane and click View Settings for this account.
    • Click the Copies and Folders option in the left pane (make sure that it's the one under your Northwestern email address).
    • Under the When sending messages, automatically: heading, check the box that says Place a copy in and select the Other option.
    • Click the drop down box, hover over your Northwestern email address, and click the Sent Items folder.
    • Click OK.
  3. Your account should now be configured to send and receive mail from your @northwestern.edu email account.



Keywords:IMAP Thunderbird O365   Doc ID:87165
Owner:TSS Tier 2 .Group:Northwestern
Created:2018-10-24 18:35 CDTUpdated:2019-04-18 09:43 CDT
Sites:Northwestern
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