Thunderbird
@thunderbird.net
Thunderbird is an open-source, platform-neutral email, calendar and productivity suite designed for users who value customization, privacy, and control. Available on Windows, macOS, Linux, and Android - Thunderbird helps you stay connected without lock in.
We're about to head on our end of year break to give the team a chance to rest, recharge, and come back in the new year ready to go! We're just as excited to release Thunderbird Pro and Thundermail to our users!
December 19, 2025 at 2:13 AM
We're about to head on our end of year break to give the team a chance to rest, recharge, and come back in the new year ready to go! We're just as excited to release Thunderbird Pro and Thundermail to our users!
We also have a support article for this as well! Let us know if this helps? https://support.mozilla.org/en-US/kb/moving-thunderbird-data-to-a-new-computer
December 11, 2025 at 8:56 PM
We also have a support article for this as well! Let us know if this helps? https://support.mozilla.org/en-US/kb/moving-thunderbird-data-to-a-new-computer
Thanks for the feedback on this! Does this article on profiles help with selecting the storage location for a future profile? https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-thunderbird-profiles
December 11, 2025 at 8:55 PM
Thanks for the feedback on this! Does this article on profiles help with selecting the storage location for a future profile? https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-thunderbird-profiles
Sorry for the delay in the reply! At this time, we don't have any plans to support BIMI.
December 11, 2025 at 7:45 PM
Sorry for the delay in the reply! At this time, we don't have any plans to support BIMI.
Sorry for the hiccup with our tag in the previous post! Our thanks again to @ostifofficial.bsky.social for their help with this important audit, which you can again read about in our blog post:
blog.thunderbird.net/2025/12/thun...
blog.thunderbird.net/2025/12/thun...
Thunderbird Send Security Audit with OSTIF and 7ASecurity - The Thunderbird Blog
As we get ready for the Thunderbird Pro launch, we want every service we offer to be secure and worthy of the trust our community places in us. That means being honest about where we stand today and t...
blog.thunderbird.net
December 10, 2025 at 5:06 PM
Sorry for the hiccup with our tag in the previous post! Our thanks again to @ostifofficial.bsky.social for their help with this important audit, which you can again read about in our blog post:
blog.thunderbird.net/2025/12/thun...
blog.thunderbird.net/2025/12/thun...
Have you tried rebuilding the Global database? We'd recommend doing this first (support.mozilla.org/en-US/kb/reb...) - and improving search is one of the reasons we're modernizing our database!
Client Challenge
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support.mozilla.org
December 1, 2025 at 9:49 PM
Have you tried rebuilding the Global database? We'd recommend doing this first (support.mozilla.org/en-US/kb/reb...) - and improving search is one of the reasons we're modernizing our database!
We've had some conversations around Sieve, so it's on our mind! And like Ryan said, we'll keep all the feedback we get in mind for future decisions about pricing and plans. So thanks for your thoughtful comments!
November 21, 2025 at 2:48 PM
We've had some conversations around Sieve, so it's on our mind! And like Ryan said, we'll keep all the feedback we get in mind for future decisions about pricing and plans. So thanks for your thoughtful comments!
Woot! We're glad you're excited too - we definitely are excited!
November 21, 2025 at 2:33 PM
Woot! We're glad you're excited too - we definitely are excited!
Right now the best estimate is around the time of next year's ESR, so some time around the end of June 2026!
November 20, 2025 at 1:03 AM
Right now the best estimate is around the time of next year's ESR, so some time around the end of June 2026!
Ugh, sorry this is happening! All our desktop app bugs live at Bugzilla: bugzilla.mozilla.org/home
Bugzilla Main Page
bugzilla.mozilla.org
November 6, 2025 at 9:24 PM
Ugh, sorry this is happening! All our desktop app bugs live at Bugzilla: bugzilla.mozilla.org/home