Configure Thunderbird for Office 365


These instructions cover how to use Thunderbird on Mac to access your LSE email account via Office 365.

Please note: If you are encountering problems after your mailbox has been migrated to Office 365 - please first delete your existing profile and create a new one by following the instructions below:


  1. Click on the Thunderbird icon on the Dashboard to open it. Once it has opened click Tools | Settings

  2. In the window that appears, click Account Actions in the bottom left-hand corner and select Add Mail Account. Click OK.

  3. In the window that appears, enter your Name, LSE email address and LSE password. Click Continue.

  4. The following message will appear. Click Done.

  5. The following window and error message will appear. Click Manual Config.

  6. In the window that appears, enter the following details in the fields:
    Incoming Server hostname:
    Incoming Port: 993
    Outgoing Port: 587
    Outgoing authentication: Normal password
  7. Click Re-Test | Done
  8. The following window will appear, showing that your LSE email account was successfully added. Click OK.

  9. Your LSE email account has been added and your emails will now appear in the inbox.