Remove Thunderbird: sudo apt remove thunderbirdĭownload the latest Thunderbird version from Mozilla. It’ll be moved to its original location later. If the launcher for the Unity Desktop should be kept, we’ll back it up first. Don’t worry, your existing accounts will remain. This is a step-by-step instruction on how to install the latest Thunderbird version.įirst of all, if there is a version of Thunderbird installed, it needs to be removed. You can set it up and upgrade Thunderbird with these commands: sudo add-apt-repository ppa:ubuntu-mozilla-security/ppa This means that you may get new releases a few hours or even days ahead of the main repository but they may me subject to (usually minor) packaging errors before they are superseded with a fixed version. The Mozilla team uses it as a staging area for package builds that are going to end up in the main repositories after some testing. On top of that the PPA of the Mozilla Security team always offers the latest stable releases of Thunderbird (and Firefox) for all supported Ubuntu releases.

Usually it's available within a few hours of Mozilla's announcement, sometimes faster, depending on the archive builders, and the speed of your local mirror, etc. The latest version of Firefox is available for as a security updates in all supported releases of Ubuntu, just doing a normal update will pull it in.

The accepted answer to the related question about Firefox applies to Thunderbird as well:

Download mozilla thunderbird 16