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Note: Microsoft does not recommend this client for use with Office 365.
There are often significant limitations in client functionality as a result. Because of this, User Support Services (USS) is only able to offer best effort support for these clients, and certain issues may require the use of a Microsoft client in order to be resolved.
Overview
This article contains instructions for how to set up Thunderbird for UO email:
If you aren't sure which email system you are on, please see All About Email at UO.
UOmail
- Start Thunderbird.
- Please Note: If Thunderbird does not automatically start the account creation wizard when you first open the program, open it with the following menus:
- Windows and macOS: Three bars menu > Account Settings > Account Actions > Add Mail Account...
- Linux: Three bars menu > Preferences > Account Settings > Account Actions > Add Mail Account...
- Enter your name, email address, and Duck ID password.
- Select Continue.
- This will load and then fail. A window with server settings will then pop up.
- For the incoming server, select IMAP.
- Server host name: outlook.office365.com
- Port: 993
- For the outgoing server, select SMTP.
- Server host name: outlook.office365.com
- Port: 587
- TLS or Connection security: STARTTLS
- Then, click Re-test.
- The server should load, but you will need to choose the OAuth2 authentication method for both IMAP and SMTP.
- This option will not appear until you have successfully re-tested the settings at least once.
- When you have the correct authentication method chosen, select Done.
- A new pop-up will appear with a Microsoft log in page. Enter your Duck ID password.
- A Duo prompt will appear. Click Cancel to select the Remember me for 7 days option (recommended), then select your desired validation method to authenticate.
- Next, the pop-up will show a Permissions requested page for Thunderbird that you will need to accept to complete the set up of your account.
- If you are using Thunderbird as your default mail client, click Set as Default. Otherwise, click Skip Integration.
Thunderbird Exchange Settings
Category |
Incoming |
Outgoing |
Protocol |
IMAP |
SMTP |
Server |
outlook.office365.com |
outlook.office365.com |
Port |
993 |
587 |
SSL |
SSL/TLS |
STARTTLS |
Authentication |
OAuth2 |
OAuth2 |
Username |
[your full UO email address] |
[your full UO email address] |
Updating Your Password
macOS
- Open Thunderbird.
- Click the Thunderbird menu and select Preferences.
- Click the Privacy & Security tab.
- Click Passwords.
- Click Saved Passwords.
- Click Show Passwords.
- Click Yes.
- Double-click each password and update them to your new password.
- Click Close.
- Restart Thunderbird to verify the password has updated successfully.
Windows
- Open Thunderbird.
- Click the three bars button in the top right corner to open the Thunderbird menu.
- Click Options.
- Click the Privacy & Security section.
- Click Saved Passwords...
- Click Show Passwords.
- Click Yes.
- Double click each password and update them to your new password.
- Click Close.
- Restart Thunderbird to verify the password has updated successfully.