Portable Thunderbird 3.0.4 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The Portable Thunderbird installer is commonly called portablethunderbird_3.0.4_.dmg.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The application lies within Communication Tools, more precisely E-mail. The actual developer of this free Mac application is FreeSMUG. The most popular version among the program users is 3.0.
From the developer:
Portable Thunderbird OS X is the popular Mozilla Thunderbird e-mail client packaged as a portable application, so you will be able to take your e-mail, address book and account settings with you. It works fast and easy on Mac Operating System X 10.4 or later.
You may want to check out more software for Mac, such as Thunderbird, Portable RSSOwl OS X or Portable RSSOwl, which might be related to Portable Thunderbird.
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