Mozilla Firefox and Microsoft Outlook are two different programs with two different purposes. [http://www.mozilla.com/en-US/firefox/personal.html Firefox] is a [http://en.wikipedia.org/wiki/Web_browser web browser] used to browse the internet. Outlook is a program that is mainly used to send and receive email and does not have a web browser. If you wish to receive and send emails in the Firefox browser, you will need to use [http://en.wikipedia.org/wiki/Webmail web-based email]. All your emails that are in Outlook will also be in Gmail's (Google) web-based email. http://www.gmail.com is Google's web-based email. Simply enter your username and password. Furthermore, Firefox has many [https://support.mozilla.com/en-US/kb/Using+extensions+with+Firefox extensions] that you can install to provide extra functionality. There are many that make it easier to access your email in Firefox. [https://addons.mozilla.org/en-US/firefox/addon/1320/ Gmail Manager] and [https://addons.mozilla.org/en-US/firefox/addon/4490/ Webmail Notifier] are my two personal favorites. If you need further assistance installing these extensions, see [https://support.mozilla.com/en-US/kb/Using+extensions+with+Firefox this article]. <br/ > Hope this cleared things up. Let us know if you have any more questions. <br/ > In case you are interested, [http://www.mozillamessaging.com/en-US/ Thunderbird] is a free alternative to Outlook developed by Mozilla Messaging.