

Thunderbird 3.1 requires that extensions either come from a secure server using the HTTPS protocol or are digitally signed, or they will fail to install.You can install this add-on using the Migration Assistant. There is an add-on that offers similar functionality. The compact header view was removed in Thunderbird 3 ( Bug 480623) see this blog entry for details.You can also install this add-on using the Migration Assistant. There is an add-on that restores this functionality. Extended columns in the folder pane were.If you go back to using Thunderbird 2, or switch back and forth between Thunderbird 3.1 and Thunderbird 2, your password lists do not get updated. Your passwords are stored in a new location.

LanguageĪll locales List of language packs and dictionaries.This list covers some of the known problems with Thunderbird 3.1. Available in your locale List of language packs and dictionaries available in your locale. Language pack add-ons change the language of the entire application. Close Dictionaries & Language Packs Installing a dictionary add-on will add a new language option to your Thunderbird spell-checker, which checks your spelling when you fill out Web forms.
