FREE YOUR INBOX! Thunderbird is your all-in-one communications command center that puts YOU in control. Manage all your email accounts separately or in a unified inbox. Filter, customize, and organize the way you like. Thunderbird simply makes your life simpler.
Let's hop into the #Thunderbird Time Machine for a look back at Thunderbird 3.0!
Released on December 8, 2009, v3.0 introduced a Migration Assistant to let you easily activate new features (like Smart Folders and a redesigned Toolbar) or stick with the old ones.