Topic: Thunderbird

News, guides, and other articles about Mozilla Thunderbird, the world’s most popular open-source desktop e-mail client.

Thunderbird 146 Update Migrates Logins to AES + More

Thunderbird 146 has been released, making it easier to add OpenPGP keyservers, improving the security of login data with AES encryption, and fixing a ton of bugs.

11 December 2025
Thunderbird email client logo and the number 145

Thunderbird 145 Brings Microsoft Exchange Support + More

Thunderbird 145 has been released with support for Microsoft Exchange e-mail accounts, DNS over HTTPS, renamed Junk folder and other improvements.

14 November 2025

Thunderbird 144 Update Delivers Assorted Fixes

The new Thunderbird 144 release brings a assorted fixes to users of the open-source desktop e-mail client, including fixes for Microsoft Exchange accounts.

17 October 2025
Thunderbird logo and white numbers "143" behind.

Thunderbird 143 Release Delivers Mailbag Full of Fixes

A fresh flurry of fixes have arrived for Thunderbird, the open-source desktop e-mail client. The v143 release resolves a number of annoying issues.

17 September 2025
The number "142" in white; Thunderbird email client logo in foreground; yellow background with faint row of envelopes at an angle.

Thunderbird 142 Lets You Add Signatures to PDFs In-App

Thunderbird 142 release is here with message linking, PDF signatures, Fastmail calendar fixes, and some new-found respect for system Do Not Disturb modes!

27 August 2025

Thunderbird Pro Features Detailed in New Update

Thunderbird Pro will offer Thundermail email service, appointment scheduling, file sharing, and maybe even AI features. Email will be hosted on German servers.

21 August 2025

Thunderbird 141 Adds ‘Archive’ Notification Action & Fixes

Thunderbird 141 brings minor changes to the email client, including a new notification action, OpenPGP key warnings, and better Exchange login support.

23 July 2025
The number 140 in white behind the Thunderbird e-mail client logo.

Thunderbird 140 ESR Released with New Features

Thunderbird 140 'Eclipse' is the latest ESR release of this famed open source email client. See the new features, changes and how to upgrade to it in this post.

7 July 2025

Thunderbird 136 Release Adds New Appearance Controls

Desktop email client Thunderbird announced a move to monthly releases by default earlier this year, allowing new users to benefit from new features, sooner – as the new Thunderbird 136.0 release makes evident! Thunderbird 136.0 sees […]

6 March 2025

Thunderbird Email Client Moving to Monthly Feature Drops

The Thunderbird email client is making its monthly ‘release channel’ builds the default download starting in March. “We’re excited to announce that starting with the 135.0 release in March 2025, the Thunderbird Release channel will […]

30 January 2025
thunderbird deb not snap

How to Install Thunderbird DEB on Ubuntu 24.04 (Not Snap)

Do you want to try the latest Thunderbird 128 release but don’t want to use the snap package available in Ubuntu? Your first thought might be to run sudo apt install thunderbird to install the […]

16 August 2024

Thunderbird 130 Beta Includes a Tray Icon for Linux

The first Thunderbird 130 beta release is out, and when running it on Linux there’s a very obvious new feature: a tray icon! In the Thunderbird 130 beta release notes the ‘what’s new’ section lists […]

11 August 2024

Thunderbird 128 Arrives with UI Changes & New Features

A major update to the open-source e-mail client Thunderbird is now available to download. Thunderbird 128 ‘Nebula’ builds on last year’s stellar Thunderbird 115 release, adding in a flurry of new features, code improvements, and […]

12 July 2024

Ubuntu 24.04 Plans Switch to Thunderbird Snap from DEB

If you’re an Ubuntu user who uses the Thunderbird e-mail client there are some interesting changes on the way you will want to know about. First up, Canonical’s Thunderbird snap package is now being built […]

7 February 2024

Ubuntu LTS Users Finally Get Thunderbird 115 Update

Ding – users of Ubuntu 20.04 and 22.04 LTS just got new e-mail …client updates to install. Yes, Thunderbird 115 “Supernova” has finally hit the Ubuntu repos, allowing users to upgrade from Thunderbird 102 to […]

5 October 2023

Thunderbird 115.1 Released with Bug Fixes & UI Buffs

The recent release of Thunderbird 115 (aka “Supernova”) seems to have gone down well with users of all shades, across all platforms — which is always nice to see. To keep things ticking over nicely […]

3 August 2023

Thunderbird 115 Released with Major UI Changes

A brand new version of the Thunderbird email client is out – and it’s looking fire! Many of the major UI changes teased last year make their debut here in Thunderbird 115, which has been […]

11 July 2023
old and new thunderbird logo side by side

This is Thunderbird Email Client’s Brand New Logo

Iconic open-source email client Thunderbird is getting a brand new logo. The Thunderbird project is in rude health of late. It’s bagged a big boost in funding thanks to donation drives, got an official Android […]

24 May 2023