User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.56 Safari/536.5 Steps to reproduce: I installed Thunderbird at the office. Then I installed it again at home. Actual results: I had to configure all of my accounts, signature, preferences, etc. twice. Expected results: It would be amazing if there were a "Sync" option, like Firefox Sync, that allows me to store my configuration in the cloud and retrieve it from any computer. All I'd have to do is install Thunderbird, sign in. Then, voila, it configures itself, installs the add-ons I love, and begins receiving my email.

(In reply to John from comment #0) You can try the Thunderbird portable edition.