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Thunderbird is not the most suitable email program for Exchange. We do recommend using Microsoft Outlook.

  1. Go to Tools - Account Settings - Account Actions - Add Mail Account.

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  2. Enter the following in the screen that follows :

    • Your name: Use exact name of the shared mailbox (e.g. Firstname: Shared Lastname: Account)

    • Email address: email address of the shared mailbox (e.g. shared@uwaterloo.ca). Use the 8 character username of the shared account and @uwaterloo.ca)

    • Password: Leave PASSWORD field blank

      • uncheck ‘Remember Password’

    • Click Configure Manually.

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  3. In the Set Up Your Existing Email Address window, enter or select the following settings in the Incoming and Outgoing columns as shown, then click Re-set.

Incoming

Protocol: IMAP
Server: outlook.office365.com
Port: 143
SSL: STARTTLS
Authentication: password for shared account
Username: Use 8 character username for the shared account (e.g. sharedmb@uwaterloo.ca)

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Outgoing

Protocol: SMTP
Server: outlook.office365.com
Port : 587
SSL: STARTTLS
Authentication: password for shared account
Username: Use 8 character username for shared account (e.g. sharedmb@uwaterloo.ca)

4. This will check the server and add the OAUTH2 option under Authentication. Change the entry to be OAUTH2. (Note that some of the settings change as a result of the last step.)

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5. Your settings will now look as below:

6. Click Done

This will create the basic connection – and now we have to EDIT our settings.

7. In Thunderbird right click on the Shared Email account and select Settings:

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8. Towards the bottom of the screen for Outgoing Server (SMTP) Click on Edit SMTP server
(In this example, the Shared Mailbox is ist-swpu@uwaterloo.ca; and the primary user is smarkan@uwaterloo.ca. )

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9. Change the User Name to be your own 8 character UWaterloo username – in this example: smarkan@uwaterloo.ca. Click OK

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10. Close and reopen Thunderbird. You will be prompted for the password for the Shared account you added. In this example the account is IST-SWPU@uwaterloo.ca – but we do not have that password. Enter an invalid Password and click Sign in

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11. You will get a new login prompt that lets you change the username.

12. Enter your own username – in this example the username is smarkan@uwaterloo.ca. Click Next.

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13. Complete the login process by entering your own password and responding to the 2FA prompt.

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Need help?

Contact the IST Service Desk online or 519-888-4567 ext. 44357.

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