You would download and install the email crawler addon into the older version of Thunderbird. Then create another profile with suitable name eg: OLD TB, and copy the contents of the existing profile over its files, so you can run an old version of TB on a copy of your profile with intension of using email address crawler to extract csv files. Make sure the shortcut icon has suitable name so you know which is which and has 'Properties' 'Target' info setup has the -P added, so it invokes the Profile Manager allowing you to select the correct profile to be used with older version. You could download an earlier version of Thunderbird,īut you would need to select the 'custom' setup option when you install older version, so that you can have an old TB installed in a different location from the default. Installing eg:60 or earlier versions of TB over 68, running the addon email address crawler, then reinstalling 68, isn't advised as you may encounter backward compatibility issues with profiles.

Thunderbird email address extractor