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#Old versions of thunderbird for mac how to
#Old versions of thunderbird for mac mac os
#Old versions of thunderbird for mac install

Some very old versions also have a file with a. en-US is the USA version of English, en-GB the British version of English, de is German and nl is Dutch for example.For example if you want the US English version of Thunderbird 45.8.0 for Windows chose the 45.8.0 directory, then the win32 directory, the en-US directory, and finally the "Thunderbird Setup 45.8.0.exe" file. They specify the language plus what country/region any customizations are for.

#Old versions of thunderbird for mac mac os

Mozilla uses win32, mac and Linux-686 directories to store files for Microsoft Windows, Mac OS X, and Linux respectively.

Download the version you want from either here or here by clicking on the link for the setup program you want, and then pressing "Save File" in the pop-up.

This makes it easy to reuse the same profile with an older version. (3.1.* or later) Except for a backend extension in TB 12.0 (see the note below), all changes in 3.1.* and later versions affect just add-ons and the optional useChrome.css file. However, that does not let you choose a specific version.

#Old versions of thunderbird for mac install

The workaround is to install version 38.5.0 and then upgrade. Starting with version 35.1.0 you can not install Thunderbird if you are using XP SP2 (rather than SP3) or are using a version of Vista that does not have the KB2763674 patch due to new signing. See this article if you want to go back to an old version of Firefox.īefore you do anything turn off the automatic Software Update feature in Tools -> Options -> Advanced -> Update.

Any settings set by that file override the default values and whatever is set using the config editor and/or prefs.js. If its a frequent problem you could set them in the optional user.js file. Those are the only two sets of settings that you need to worry about being reset due to the default value changing for a different version. If you try a really old version its possible you might have the same problems with the settings (mainly and ) to enable graphics acceleration. You will need to set it false again when you run the current version of Thunderbird. If you set extensions.strictCompatibility false using the config editor to let you install add-ons that don't explicitly state they support version 60 or later that value may get reset to its default value (true). Its also possible to keep the current version, and do a custom installation of a older version in a different directory to see if your problem is due to the latest version of Thunderbird or not. Whatever version of Thunderbird you re-install, it will automatically find and reuse your profile (it contains your mail, address books, settings, saved passwords, add-ons etc.), which is not deleted when you uninstall or reinstall Thunderbird.

#Old versions of thunderbird for mac how to

This article describes how to go back to an old version of Thunderbird, including how to deal with problems that may occur due to changes to your profile.