Do Not Upgrade Thunderbird
If you use Thunderbird to read and send emails, DO NOT upgrade it. Thunderbird 3.1 will cause problems writing to your Sent folder, and may prevent you from reading mail at all. Please revert back to the older version via the links below.
| English (US) | English (US) | 3.0.6 |
Windows |
Mac OS X |
Linux Download |

