http://blogs.technet.com/jkruse/archive/2008/04/03/owa-in-firefox.aspxYes it can be done. Outlook Web Access Premium can't be rendered using the Firefox engine - when you try to login you'll notice that "Use Outlook Web Access Light" is ticked by default (see below)... Firefox without IE Tab There is an add-on for Firefoxen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/jkruse/archive/2008/04/03/owa-in-firefox.aspx#3065022Mon, 02 Jun 2008 22:18:52 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3065022fng<p>this option is non existing in linux, boo.</p>