These are officially maintained and distributed by Thunderbird. Jump to the language you wish to download by using the legend below.

Apr 7, 2025 · Visit the Thunderbird download page in any browser (e.g. Firefox or Microsoft Internet Explorer). The page will automatically recommend the best version (s) of Thunderbird for you.

Dec 28, 2025 · Customize the interface of Mozilla Thunderbird through themes and add-ons. It works across various operating systems and receives regular updates to maintain functionality and security.

Dec 17, 2025 · Download Mozilla Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features.

Thunderbird is a powerful, privacy-focused email app. Effortlessly manage multiple email accounts from one app, with a Unified Inbox option for maximum productivity.

May 2, 2025 · Use the download page to obtain the installation package that is recommended for your operating system and language, for the channel you wish to use. Please refer to installation …

Dec 19, 2025 · When installing Thunderbird for the first time, you can leave it to the app to automatically detect all the appropriate server settings for the email address you enter.

Thunderbird is a project of MZLA Technologies Corporation, which is a wholly owned subsidiary of Mozilla Foundation.

Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!