Portable Thunderbird OS X Portable Thunderbird OS X is the popular Mozilla Thunderbird email client packaged as portable application so you can take your email, address book and account settings with you.From the experience of Portable Firefox OS X, here is the popular Mozilla Thunderbird email client packaged so you can carry around with you on any portable device, USB thumb drive, i Pod, portable hard drive, memory card, other portable device (also on your internal hard disk) as long as it has 65 MB of free space and use on any Mac OS X computer, taking your email, address book and account settings with you.
Then I got a message in the Help screen, saying that I am on update channel aurora, which seems fine.Still, the update downloaded Thunderbird 29 pre beta and tried to install but ended with the message that it couldn't be installed due to patch problems: I tried this again with the channel "nightly" and got the same error.(On channel "beta" there seem to be no newer version than in the channel "release".) How can I change my installation to channel aurora and update it?Mozilla Thunderbird is a skinnable, feature-rich email and instant messaging client with support for plugins and many protocols.It comes with advanced search tools, message filtering, Bayesian spam detector, built-in spell checker, mailbox compression, and many more.
Program features can be extended with add-ons, including a specialized version of email encryption tool GPG.
Email protocols include SMTP, POP3, IMAP4, NNTP and RSS and chat support for IRC, Facebook, Twitter, XMPP, and Google Talk (more available via plugin). Not show size of attachments (must install extention for this plan option), no options for Export Accounts, Address Book, Email (maybe, the Moz Backup can help).
Mozilla Thunderbird, Portable Edition is a special build licensed by Mozilla. After deleted some email and used option Compact Folders the folders size is too large.
The link provided also gives you the option of downloading thunderbird with Enigmail (which provides secure email [PGP/GPG] capability).
Though its not as complete as the Mobility E-mail which claims to connect with Webmail services.
You can also download lightning ( for an integrated i Cal-compatible calendar.