Plug-ins for Firefox which considerably extend the usefulness of of the web browser are plentiful and also frequently updated to keep up with new Firefox releases.

In the Server hostname box, enter the name of your incoming server. YouвЂ™ll see the message: 'Thunderbird failed to find the settings for your email account.'The IMAP check box, next to Incoming, is selected by default and is recommended. Thunderbird will try to find the settings you need to configure for your account.Click Stop, or wait for Thunderbird to try to find your account settings. Click Continue if you're using a Windows computer or click Next if you're using a Mac. If the Mail Account Setup dialog box doesn't open, do the following:On the Tools menu, click Account Settings.On the Account Settings page, under Account Actions, click Add Mail Account.In the Mail Account Setup dialog box, do the following:In the Your Name box, enter the name that you want to appear on the 'From' line in your outgoing messages.In the Email Address box, enter your email address.In the Password box, enter your password.

For Microsoft 365, the server name for IMAP and POP is partner.outlook.cn and the server name for SMTP is smtp.office365.cn.If youвЂ™re not connecting to Microsoft 365 email, do the following to look up your settings.Sign in to your account using Outlook Web App.In Outlook Web App, on the toolbar, click Settings > Options > Account > My account > Settings for POP or IMAP access.The POP3, IMAP4, and SMTP server name and other settings you may need to enter are listed on the Settings for POP and IMAP Access page under POP setting or IMAP setting, and SMTP setting.If you don't know whether to use POP3 or IMAP4, consider using IMAP4 because it supports more features.If your email account is the type that requires registration, you must register it the first time you sign in to Outlook Web App. YouвЂ™ll also be able to access your messages from a different mail application.If youвЂ™re connecting to your Microsoft 365 email, you donвЂ™t need to look up your settings. After you select this check box, a copy of the messages you retrieve to your local computer will be kept on the server. If youвЂ™re not using Microsoft 365, see Find your POP3 and IMAP server settings later in this article.Note:В If you're using POP, under Server Settings, it's a good idea to select Leave messages on the server.

Remember that IMAP4 doesnвЂ™t support the synchronization of the Contacts and Calendar folders. If youвЂ™re using IMAP4, you can choose the folders that you want Thunderbird to synchronize with the server. Then try to connect using your POP3 or IMAP4 program.If youвЂ™re using an incoming POP3 server, you can only synchronize your Inbox folder. After you sign in to your account, sign out.

Firefox For Mac 8.0