Thunderbird Daily

Thunderbird Daily is the cutting-edge, pre-release edition of Mozilla’s Thunderbird email client. Built directly from the current development branch, it delivers the earliest access to new features, performance improvements, and interface updates destined for future stable versions. It is designed for testers, contributors, and curious early adopters, and it receives frequent updates that may include bugs or regressions—so it’s not recommended for production use.

Like Thunderbird, Daily provides powerful email management with IMAP and POP support, multiple accounts, message filters, tagging, and advanced search. It includes an integrated calendar and address book, built-in OpenPGP and S/MIME for secure email, RSS and newsgroup support, and extensive customization through add-ons and themes. Thunderbird Daily is available for Windows, macOS, and Linux.

If you’re evaluating new functionality or helping improve Thunderbird, consider using a separate profile and backing up your data before testing. Your feedback helps shape upcoming releases.

Thunderbird Daily is developed by Mozilla and is used by 1 user of Software Informer. The most popular version of this product among our users is unknown. The name of the program executable file is thunderbird.exe.