Mozilla has recently updated their Firefox web browser to Firefox 3.6 and the desktop email client Thunderbird to Thunderbird 3.01. Users of previous versions might want to test the new program versions first before they update the programs used in their standard work environment. Tests can for instance be performed to see if the new versions are compatible with the computer system and that settings and add-ons work as intended.
One of the best ways to perform such tests are portable versions as they do not alter the data of the installed versions. Firefox 3.6 portable and Thunderbird 3.01 portable have recently been released as well.
The portable version of the email client Thunderbird 3.01 can be extracted to any computer system folder. It can then be started from there to test the new version before the upgrade is performed. The same is true for the portable version of the web browser Firefox 3.6.
It does make sense to import the data of the installed versions into the portable versions to be able to test all the settings and add-ons that are installed. This can for instance be done with Mozbackup which supports both Firefox and Thunderbird. Firefox users can use FEBE or Fav Backup as an alternative.
The programs can import add-ons, settings, passwords, emails or the history from the installed versions of Firefox and Thunderbird.
Firefox 3.6 and Thunderbird 3.01 can then be downloaded from Mozilla if the tests have been to the user’s satisfaction.
Update: Mozilla since then has moved on and updated both the Firefox web browser and the Thunderbird email client multiple times. Support for the Firefox and Thunderbird 3 branch ends in April 2012, at which point users need to update their browsers and email clients to the newer release versions to stay up to date with stability and security patches.
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How To Download Old Firefox And Thunderbird Releases
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http://mozbackup.jasnapaka.com/ is not responding but I did find http://www.mozbackup.org/
i need now
I found also winPenPack’s portable versions. X-Firefox portable ( http://www.winpenpack.com/en/download.php?view.1021) and X-Thunderbird portable ( http://www.winpenpack.com/en/download.php?view.1277 ).