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Configuring Thunderbird for Office 365 Using IMAP

Owned by Gabriel Hernandez
Last updated: Jun 14, 2019

Get Thunderbird

You can obtain a free download of Thunderbird from the Mozilla website at - https://www.thunderbird.net/en-US/

Set up your Office 365 account

After installing Thunderbird:

  • Launch Thunderbird and choose to create a Email account
  • Enter your name, email address, password, and select Remember Password (optional)

Thunderbird may fail the initial attempt to configure your account settings.  Proceed with entering the following information in the manual/advanced configuration page presented.

Incoming Server Settings

  • IMAP
  • Server hostname:  outlook.office365.com
  • Port:  993
  • SSL:  SSL/TLS
  • Authentication:  Normal Password

Outgoing Server Settings

  • Server hostname:  smtp.office365.com
  • Ports:  587
  • SSL:  STARTTLS
  • Authentication:  Normal Password

Username (Incoming and Outgoing):  your email address (e.g., yourusername@austin.utexas.edu)

Click Done. 

If you didn't save your word, you will be prompted for your UT Office365 (EID) password

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