Thunderbird
@thunderbird.net
1.5K followers 29 following 160 posts
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.
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thunderbird.net

What's the topic of Office Hours conversation? Conversation view! From backend changes to in-person collaboration, find out how the Thunderbird team is making it possible:

#Thunderbird #OpenSource

https://blog.thunderbird.net/2025/10/video-conversation-view/
thunderbird.net
In this month's Dev Digest, we're:

* describing the final QA steps as Exchange mail support lands in 144
* discussing future Exchange work
* adding Exchange to Account Hub
* recapping the Conversation View workweek
* and more!

#Thunderbird #OpenSource

blog.thunderbird.net/2025/09/thun...
Thunderbird Monthly Development Digest: August 2025 - The Thunderbird Blog
Exchange is coming to Thunderbird 144 next month! Learn what's in and what's planned. Also, updates on Account Hub, Calendar UI, and more!
blog.thunderbird.net
thunderbird.net
In-person and virtual community initiatives, adjusting the Android roadmap, and the journey to true Conversation View (and why it's hard!). All this and more, including a gassy Boston Terrier as a bonus. Read/watch/listen at the blog:

#Thunderbird #OpenSource

blog.thunderbird.net/2025/09/stat...
State of the Thunder 12: Community, Android, and Mozilla Connect - The Thunderbird Blog
We’re back with our twelfth episode of the State of the Thunder! In this episode, we’re talking about community initiatives, filling you in on Android development, and finishing our updates on popular...
blog.thunderbird.net
thunderbird.net
Second, we're hosting a live streamed AMA Thursday at 19:00 UTC and want your questions! Please share any questions for our team here: survey.alchemer.com/s3/8482945/T...

#Thunderbird #AMA
a woman with red lips is smiling with the words ask me behind her
Alt: Moira from Schitt's Creek is smiling and saying "Ask Me"
media.tenor.com
thunderbird.net
There's a lot going on in @firefox.com and Thunderbird this week! First, we're taking part in Mozilla Support's Ask-A Fox event! (community.mozilla.org/en/campaigns...) Get involved, have fun, and help fellow Thunderbird users on desktop and Android! (1/2)

#Firefox #Thunderbird #AskAFox
Mozilla - Ask a Fox event - Mozilla Community Portal
The Mozilla Support platform (a.k.a. SUMO) receives over 20 million visits each month. It’s the go-to place for Firefox users to
community.mozilla.org
thunderbird.net
We've got updates on our Android and upcoming iOS apps! Take a peek at the new Android account drawer, iOS account setup and upcoming monthly release schedule and learn why recent updates affected readability and how we're fixing it.

#Thunderbird #OpenSource

blog.thunderbird.net/2025/09/mobi...
Mobile Progress Report - July/August 2025 - The Thunderbird Blog
Mobile Progress Report is back with updates on the Android drawer and visual improvements, iOS mockups, and a new monthly release cadence
blog.thunderbird.net
thunderbird.net
After a short hiatus, State of the Thunder is back! In addition to tackling community questions, we're also responding to the top 20-ish requested features from Mozilla Connect. Get the latest news on Sync, translations, and more!

#Thunderbird #OpenSource

blog.thunderbird.net/2025/09/stat...
State of the Thunder: Mozilla Connect Updates - The Thunderbird Blog
State of the Thunder is back for a new season! We're answering more questions and updating you on top requested features from Mozilla Connect
blog.thunderbird.net
thunderbird.net
Back-to-school seasoning may be winding down, but Thunderbird is seeing where we make the grade (and don’t) with accessibility. Learn about our recent a11y study and how to help us make Thunderbird accessible to everyone!

#Thunderbird #Accessibility #OpenSource

blog.thunderbird.net/2025/09/vide...
VIDEO: Thunderbird Accessibility Study
In our latest Office Hours, we're covering what's in (and out) of our latest Extended Support Release, Thunderbird 140.0 ESR "Eclipse"!
blog.thunderbird.net
thunderbird.net
新しいアカウント・ハブでアカウントを追加しようとすると、このような問題が発生しますか?それとも、アプリを使用しているときに発生しているのでしょうか?
thunderbird.net
Hi! We've chatted with the team, and for reply receipt, when the user enables "Return Receipt", the Disposition-Notification-To header is added to the outgoing message and is also present in the received message. We're still checking on the Delivery Status Notification question!
thunderbird.net
And sorry for our support being down. That was just incredibly bad timing but thankfully it seems to be behaving much better this morning.
thunderbird.net
We're so sorry for any issues with Account Hub, and this may be related to a bug we're currently working to fix (bugzilla.mozilla.org/show_bug.cgi...) For now, please either hit ESC in account hub to enter manual mode, or disable Account Hub in Settings > General > Account Hub
1975860 - Cannot add new imap account - account hub locks up - for autodiscovery pointing to account hosted at 3rd party (i.e. large German providers like IONOS,@online.de)
ASSIGNED (vineet) in Thunderbird - Account Manager. Last updated 2025-08-28.
bugzilla.mozilla.org
thunderbird.net
Thunderbird 142.0 has a host of exciting features and bug fixes. From improving the PDF experience to better support for quiet time, learn what's just landed in our recap of the newest monthly release.

#Thunderbird #OpenSource #Email

blog.thunderbird.net/2025/08/thun...
Thunderbird Monthly Release 142 Recap - The Thunderbird Blog
Our latest monthly release makes resetting folder order easy, lets you sign PDFs, honors 'Do Not Disturb' in native notifications, and more!
blog.thunderbird.net
thunderbird.net
接続の問題については本当に申し訳ない!この現象はデスクトップとアンドロイドのどちらで発生していますか?
thunderbird.net
We’ll be at the @austinjavascript.com Meetup tonight! 🎉 Come say hi, chat about open source, and connect with the community!

#Thunderbird #JavaScript #Austin

www.meetup.com/austin-js/ev...
The JavaScript logo of a black JS against a yellow background with bats flying out from behind the S
thunderbird.net
Curious about our progress on Thunderbird Pro? Our latest update, direct from Managing Director Ryan Sipes, keeps you in the know - and lets you know how to stay updated:

#Thunderbird #ThunderbirdPro #OpenSource

blog.thunderbird.net/2025/08/tbpr...
Thunderbird Pro August 2025 Update - The Thunderbird Blog
Our team is hard at work on Thunderbird Pro. Get the latest developments on Thundermail, Appointment, and Send in our latest update.
blog.thunderbird.net
thunderbird.net
Oh no! We're sorry you're having issues with TB on your Mac! You mentioned having looked online - have you opened a question or checked at support.mozilla.org yet? We have a global support community there and are probably the best place to go first. We also have a great subreddit, too.
Mozilla Support
support.mozilla.org
thunderbird.net
Bientôt ! (Dans l'année à venir, en tout cas !)
thunderbird.net
Our regular Development Digest has some exciting updates on features that are nearing completion (Exchange email support) and are just starting development (Conversation View)! We're also tackling the usual maintenance tasks and bugs!

#Thunderbird #OpenSource

blog.thunderbird.net/2025/08/thun...
Thunderbird Monthly Development Digest - July 2025 - The Thunderbird Blog
We're approaching the finish line for Exchange email support, addressing issues in Account Hub, diving into Conversation View, and more!
blog.thunderbird.net
thunderbird.net
Das ist unser Maskottchen, Roc! Wir finden ihn auch richtig süß! 😍
thunderbird.net
For this month's Office Hours, we're talking to members of our Design Team about how we're assessing and improving Accessibility in Thunderbird. Have a question you'd like us to ask? Put it in the comments below and we'll do our best to answer them all in the video/blog

#Thunderbird #Accessibility
thunderbird.net
Right now, the Windows Store only has the ESR, but we're exploring ways to give users options to also download the monthly Release there too. For now, if you want the monthly release, you can download it from thunderbird.net !
Thunderbird — Free Your Inbox.
Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!
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