Thunderbird is now configured for use with your Office 365 email account. If this is your first attempt setting up your WCC mailbox in Thunderbird, a Microsoft.You should receive an acknowledgement stating “Account successfully created.” Click.You should be prompted for your WCC mailbox password.Not working? Review your entry for your email address.When you receive the confirmation message in a green box,Click the Done button.Compare your settings with the illustration below and then Click the Re-Test button to verify communication with the WCC email server:.Enter the following settings for the Outgoing Server:.User Name: your existing WCC email address.Enter the following settings for the Incoming Server:.Enter your name and email address but NOT your password, and then click the link to.Setup a WCC Office365 Email Account in Thunderbird The latest and improved authentication method. Thunderbird is now reconfigured for use with your WCC Office365 email account using Close this window by clicking the “ X” on the Account Settings tab.Verify the other settings: Server Name for the SMTP Server is, Port is 587, Connection security is STARTTLS, and your email address is the User Name.Click the drop-down for Authentication method and change it to OAuth2:.Within the large white box, click your email address or existing Office365 server.From this same Account Settings navigation pane on the left, click Outgoing Server (SMTP).Verify the other settings: Server Name for the IMAP Mail Server is, Port is 993, your email address is the User Name, and Connection security is SSL/TLS.Under Security Settings, click the drop-down for Authentication method and change it to OAuth2: From the Account Settings navigation pane on the left, click Server Settings.From the pop-up menu, click Account Settings.Click the Thunderbird Menu icon (three horizontal bars) at the upper-right of the Thunderbird pane.

From the Windows Start menu, open Thunderbird.

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