| Idioma | Versão | Windows | Mac OS X | Linux | |
|---|---|---|---|---|---|
| Afrikaans | Afrikaans | 2.0.0.18 | Download | Download | Download |
| Basque | Euskara | 2.0.0.18 | Download | Download | Download |
| Belarusian | Беларуская | 2.0.0.18 | Download | Download | Download |
| Bulgarian | Български | 2.0.0.18 | Download | Download | Download |
| Catalan | català-valencià | 2.0.0.18 | Download | Download | Download |
| Chinese (Simplified) | 中文 (简体) | 2.0.0.18 | Download | Download | Download |
| Chinese (Traditional) | 正體中文 (繁體) | 2.0.0.18 | Download | Download | Download |
| Czech | Čeština | 2.0.0.18 | Download | Download | Download |
| Danish | Dansk | 2.0.0.18 | Download | Download | Download |
| Dutch | Nederlands | 2.0.0.18 | Download | Download | Download |
| English (British) | English (British) | 2.0.0.18 | Download | Download | Download |
| English (US) | English (US) | 2.0.0.18 | Download | Download | Download |
| Finnish | suomi | 2.0.0.18 | Download | Download | Download |
| French | Français | 2.0.0.18 | Download | Download | Download |
| German | Deutsch | 2.0.0.18 | Download | Download | Download |
| Greek | Ελληνικά | 2.0.0.18 | Download | Download | Download |
| Gujarati | ગુજરાતી | 1.5.0.14 | Download | Download | |
| Hebrew | עברית | 2.0.0.18 | Download | Download | |
| Hungarian | Magyar | 2.0.0.18 | Download | Download | Download |
| Irish | Gaeilge | 2.0.0.18 | Download | Download | Download |
| Italian | Italiano | 2.0.0.18 | Download | Download | Download |
| Japanese | 日本語 | 2.0.0.18 | Download | Download | Download |
| Korean | 한국어 | 2.0.0.18 | Download | Download | Download |
| Lithuanian | lietuvių kalba | 2.0.0.18 | Download | Download | Download |
| Macedonian | Македонски | 2.0.0.18 | Download | Download | Download |
| Norwegian (Bokmål) | Norsk bokmål | 2.0.0.18 | Download | Download | Download |
| Norwegian (Nynorsk) | Norsk nynorsk | 2.0.0.18 | Download | Download | Download |
| Polish | polski | 2.0.0.18 | Download | Download | Download |
| Portuguese (Brazilian) | Português (do Brasil) | 2.0.0.18 | Download | Download | Download |
| Portuguese (Portugal) | Português (Europeu) | 2.0.0.18 | Download | Download | Download |
| Punjabi | ਪੰਜਾਬੀ | 2.0.0.18 | Download | Download | Download |
| Russian | Русский | 2.0.0.18 | Download | Download | Download |
| Slovak | slovenčina | 2.0.0.18 | Download | Download | Download |
| Slovenian | slovensko | 2.0.0.18 | Download | Download | Download |
| Spanish (Argentina) | Español (Argentina) | 2.0.0.18 | Download | Download | Download |
| Spanish (Spain) | Español (de España) | 2.0.0.18 | Download | Download | Download |
| Swedish | Svenska | 2.0.0.18 | Download | Download | Download |
| Turkish | Türkçe | 2.0.0.18 | Download | Download | Download |
| Ukrainian | Українська | 2.0.0.18 | Download | Download | Download |
Versões Beta
A Mozilla oferece links de download para os idiomas a seguir em versões beta do Thunderbird. Lembre-se que versões beta não são versões finais de lançamento.