Thunderbird changes the way you do email with tabbed email, and a new set of search tools helps you find your emails faster.

Tabs

If you like Firefox’s tabbed browsing, you’re going to love tabbed email. Tabbed email lets you load emails in separate tabs so you can quickly jump between them. Perhaps you’re responding to an email and need to refer back to an earlier email. Tabbed email lets you keep multiple emails open for easy reference. Learn more.