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.
Reposted by Thunderbird
Getting closer to releasing Thundermail, Thunderbird Appointment and Thunderbird Send to the world.
Built on open source and open standards - we're working to make a suite of tools that help people break their reliance on big tech (think Microsoft O365 and Gmail).
Looking forward to sharing more.
Built on open source and open standards - we're working to make a suite of tools that help people break their reliance on big tech (think Microsoft O365 and Gmail).
Looking forward to sharing more.
November 6, 2025 at 12:35 AM
Getting closer to releasing Thundermail, Thunderbird Appointment and Thunderbird Send to the world.
Built on open source and open standards - we're working to make a suite of tools that help people break their reliance on big tech (think Microsoft O365 and Gmail).
Looking forward to sharing more.
Built on open source and open standards - we're working to make a suite of tools that help people break their reliance on big tech (think Microsoft O365 and Gmail).
Looking forward to sharing more.
Thunderbird 144 is out now! Exchange support is closer to officially landing, dragging and dropping your folders is easier, and we're adding new ways to keep your email safe!
#Thunderbird #OpenSource #Email
https://blog.thunderbird.net/2025/10/thunderbird-monthly-release-144-recap/
#Thunderbird #OpenSource #Email
https://blog.thunderbird.net/2025/10/thunderbird-monthly-release-144-recap/
October 21, 2025 at 2:43 PM
Thunderbird 144 is out now! Exchange support is closer to officially landing, dragging and dropping your folders is easier, and we're adding new ways to keep your email safe!
#Thunderbird #OpenSource #Email
https://blog.thunderbird.net/2025/10/thunderbird-monthly-release-144-recap/
#Thunderbird #OpenSource #Email
https://blog.thunderbird.net/2025/10/thunderbird-monthly-release-144-recap/
Not all of our progress is headline worthy! But steady, detail-oriented work, described in our latest development update, is a firm foundation for the next leaps forward.
#Thunderbird #Email #OpenSource
https://blog.thunderbird.net/2025/10/thunderbird-monthly-development-digest-september-2025/
#Thunderbird #Email #OpenSource
https://blog.thunderbird.net/2025/10/thunderbird-monthly-development-digest-september-2025/
October 17, 2025 at 5:55 PM
Not all of our progress is headline worthy! But steady, detail-oriented work, described in our latest development update, is a firm foundation for the next leaps forward.
#Thunderbird #Email #OpenSource
https://blog.thunderbird.net/2025/10/thunderbird-monthly-development-digest-september-2025/
#Thunderbird #Email #OpenSource
https://blog.thunderbird.net/2025/10/thunderbird-monthly-development-digest-september-2025/
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/
October 6, 2025 at 8:21 PM
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/
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...
* 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
September 24, 2025 at 5:43 PM
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...
* 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...
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...
#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
September 23, 2025 at 4:36 PM
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...
#Thunderbird #OpenSource
blog.thunderbird.net/2025/09/stat...
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
#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
September 22, 2025 at 3:50 PM
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
#Firefox #Thunderbird #AskAFox
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...
#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
September 15, 2025 at 3:52 PM
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...
#Thunderbird #OpenSource
blog.thunderbird.net/2025/09/mobi...
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...
#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
September 11, 2025 at 7:52 PM
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...
#Thunderbird #OpenSource
blog.thunderbird.net/2025/09/stat...
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...
#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
September 5, 2025 at 3:18 PM
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...
#Thunderbird #Accessibility #OpenSource
blog.thunderbird.net/2025/09/vide...
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 #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
August 28, 2025 at 2:36 PM
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 #OpenSource #Email
blog.thunderbird.net/2025/08/thun...
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...
#Thunderbird #JavaScript #Austin
www.meetup.com/austin-js/ev...
August 19, 2025 at 9:04 PM
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...
#Thunderbird #JavaScript #Austin
www.meetup.com/austin-js/ev...
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 #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
August 19, 2025 at 7:31 PM
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 #ThunderbirdPro #OpenSource
blog.thunderbird.net/2025/08/tbpr...
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 #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
August 14, 2025 at 4:52 PM
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 #OpenSource
blog.thunderbird.net/2025/08/thun...
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 #Accessibility
August 12, 2025 at 3:24 PM
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 #Accessibility
Getting Things Done + labels + keyboard shortcuts = 💙 and an organized inbox. Find out how to get started in our latest Maximize Your Day blog post!
#Thunderbird #Productivity #Email
blog.thunderbird.net/2025/08/maxi...
#Thunderbird #Productivity #Email
blog.thunderbird.net/2025/08/maxi...
Engage Your Inbox with ‘Getting Things Done’ - The Thunderbird Blog
Supercharge your productivity and tackle your inbox with the Getting Things Done system, labels, and Thunderbird keyboard shortcuts!
blog.thunderbird.net
August 6, 2025 at 4:01 PM
Getting Things Done + labels + keyboard shortcuts = 💙 and an organized inbox. Find out how to get started in our latest Maximize Your Day blog post!
#Thunderbird #Productivity #Email
blog.thunderbird.net/2025/08/maxi...
#Thunderbird #Productivity #Email
blog.thunderbird.net/2025/08/maxi...
Archiving from notifications, warnings about expiring PGP keys, bug fixes, and more! Find out what's in Thunderbird 141.0 (and how you can get it) in our new Monthly Release Recap!
#Thunderbird #OpenSource #Email
blog.thunderbird.net/2025/08/mont...
#Thunderbird #OpenSource #Email
blog.thunderbird.net/2025/08/mont...
Monthly Release 141 Recap - The Thunderbird Blog
Our latest monthly Release, 141.0, is out. Learn about features, bug fixes, and performance improvements you can get in Thunderbird today!
blog.thunderbird.net
August 5, 2025 at 1:51 PM
Archiving from notifications, warnings about expiring PGP keys, bug fixes, and more! Find out what's in Thunderbird 141.0 (and how you can get it) in our new Monthly Release Recap!
#Thunderbird #OpenSource #Email
blog.thunderbird.net/2025/08/mont...
#Thunderbird #OpenSource #Email
blog.thunderbird.net/2025/08/mont...
All of the latest discussions about our development in our ongoing State of the Thunder series, now in an easy to read format, thanks to your feedback. (With links to the videos and podcasts for those who still want to watch or listen!)
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/stat...
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/stat...
State of the Thunder: Answering Community Questions! - The Thunderbird Blog
State of the Thunder is now in video, podcast, and blog format! In the latest issue, we're answering your community questions!
blog.thunderbird.net
July 30, 2025 at 5:18 PM
All of the latest discussions about our development in our ongoing State of the Thunder series, now in an easy to read format, thanks to your feedback. (With links to the videos and podcasts for those who still want to watch or listen!)
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/stat...
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/stat...
Thunderbird has been so lucky to have a community that's helped us survive and now thrive, and we're building a team that can help our community thrive. Meet the members of the team and learn what they have planned!
blog.thunderbird.net/2025/07/welc...
#Thunderbird #Community #OpenSource
blog.thunderbird.net/2025/07/welc...
#Thunderbird #Community #OpenSource
Welcoming New Faces to the Thunderbird Community Team - The Thunderbird Blog
Thunderbird is all about community, and we're growing a community team to better support it. Get to know the team and our road ahead!
blog.thunderbird.net
July 29, 2025 at 2:45 PM
Thunderbird has been so lucky to have a community that's helped us survive and now thrive, and we're building a team that can help our community thrive. Meet the members of the team and learn what they have planned!
blog.thunderbird.net/2025/07/welc...
#Thunderbird #Community #OpenSource
blog.thunderbird.net/2025/07/welc...
#Thunderbird #Community #OpenSource
Our new "Contributing to Thunderbird" videos break down the barriers to developing, testing, translating, and supporting Thunderbird on desktop and mobile. Learn how to set up a development environment on your Mac...
#Thunderbird #OpenSource
tilvids.com/w/qPFUDAC9DV...
#Thunderbird #OpenSource
tilvids.com/w/qPFUDAC9DV...
Set Up a Thunderbird Build Environment on Mac
Have a Macbook and want to build Thunderbird? Here is how to setup that development environment in just a few commands! This is useful if you are interesting in fixing bugs, trying out patches, or ...
tilvids.com
July 28, 2025 at 4:40 PM
Our new "Contributing to Thunderbird" videos break down the barriers to developing, testing, translating, and supporting Thunderbird on desktop and mobile. Learn how to set up a development environment on your Mac...
#Thunderbird #OpenSource
tilvids.com/w/qPFUDAC9DV...
#Thunderbird #OpenSource
tilvids.com/w/qPFUDAC9DV...
Our Community Office Hours is back! This month we're exploring our latest Extended Support Release, Thunderbird 140.0 ESR "Eclipse" with new features, what didn't make the cut, and why you should give our new Monthly Release a try.
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/vide...
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/vide...
VIDEO: Thunderbird 140.0 ESR "Eclipse"
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
July 25, 2025 at 8:32 PM
Our Community Office Hours is back! This month we're exploring our latest Extended Support Release, Thunderbird 140.0 ESR "Eclipse" with new features, what didn't make the cut, and why you should give our new Monthly Release a try.
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/vide...
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/vide...
We're gathering ideas on how to strengthen and improve the Thunderbird community. Whether you're a long-time contributor or a curious newbie, we would love to hear your thoughts! Share your suggestions below and help shape our community's future!
#Thunderbird
connect.mozilla.org/t5/discussio...
#Thunderbird
connect.mozilla.org/t5/discussio...
Have Ideas to improve the Thunderbird Community?
Do you have ideas on what might make a more welcoming, exciting and rewarding community experience for Thunderbird users & developers? We're gathering ideas on how to strengthen and improve the Thun...
connect.mozilla.org
July 17, 2025 at 1:42 PM
We're gathering ideas on how to strengthen and improve the Thunderbird community. Whether you're a long-time contributor or a curious newbie, we would love to hear your thoughts! Share your suggestions below and help shape our community's future!
#Thunderbird
connect.mozilla.org/t5/discussio...
#Thunderbird
connect.mozilla.org/t5/discussio...
The latest Thunderbird mobile update is out! We're getting closer to sharable iOS screenshots while sharing a sneak peak at the new Android account drawer and folders. And check out all the improvements from our team and community!
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/mobi...
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/mobi...
Mobile Progress Report - June 2025 - The Thunderbird Blog
In the June update, we're making progress with JMAP for iOS, previewing drawer improvements for Android, and providing numerous updates!
blog.thunderbird.net
July 14, 2025 at 2:46 PM
The latest Thunderbird mobile update is out! We're getting closer to sharable iOS screenshots while sharing a sneak peak at the new Android account drawer and folders. And check out all the improvements from our team and community!
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/mobi...
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/mobi...
In the latest State of the Thunder, we're introducing @michaelellis.bsky.social, our new head of Community Programs, and answering questions about the upcoming Thunderbird Pro suite! Watch the video (or read the included summary) to learn more.
#Thunderbird #OpenSource
tilvids.com/w/c5iD1yzaPX...
#Thunderbird #OpenSource
tilvids.com/w/c5iD1yzaPX...
State of the Thunder: Volume 9
In the latest State of the Thunder, we're answering your questions about the upcoming Thunderbird Pro offerings and introducing our new head of Community Programs. Michael Ellis is here to help us ...
tilvids.com
July 11, 2025 at 2:27 PM
In the latest State of the Thunder, we're introducing @michaelellis.bsky.social, our new head of Community Programs, and answering questions about the upcoming Thunderbird Pro suite! Watch the video (or read the included summary) to learn more.
#Thunderbird #OpenSource
tilvids.com/w/c5iD1yzaPX...
#Thunderbird #OpenSource
tilvids.com/w/c5iD1yzaPX...
Our latest Thunderbird Monthly Development Digest is out! We have news about:
* The latest ESR, 140.0 "Eclipse"
* Details about new Exchange Support features
* Updates on Account Hub and the Global Message Database
* Features and Fixes
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/thun...
* The latest ESR, 140.0 "Eclipse"
* Details about new Exchange Support features
* Updates on Account Hub and the Global Message Database
* Features and Fixes
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/thun...
Thunderbird Monthly Development Digest - June 2025 - The Thunderbird Blog
The new Extended Support Release is out, Exchange Support is on by default in Daily, and Account Hub (and more) are moving forward.
blog.thunderbird.net
July 9, 2025 at 3:26 PM
Our latest Thunderbird Monthly Development Digest is out! We have news about:
* The latest ESR, 140.0 "Eclipse"
* Details about new Exchange Support features
* Updates on Account Hub and the Global Message Database
* Features and Fixes
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/thun...
* The latest ESR, 140.0 "Eclipse"
* Details about new Exchange Support features
* Updates on Account Hub and the Global Message Database
* Features and Fixes
#Thunderbird #OpenSource
blog.thunderbird.net/2025/07/thun...