

Follow the instructions on the site for installing Thunderbird. These instructions require Thunderbird version 78 or later. You can obtain a free download of Thunderbird from the Mozilla website. To request access to IMAP, please submit a Help request. With IMAP you can only access your email, not your calendars, contacts, or tasks.

In case you don't like the new Thunderbird 60 or something doesn't work properly, you can downgrade to the previous version you had installed on your system.Thunderbird lacks Exchange support so it needs to be configured for IMAP.

How to downgrade Thunderbird to version 52 This bug appears to only affect the Flatpak package though, as I didn't stumble upon any issues with the Ubuntu PPA package. The Thunderbird Flathub package was updated to version 60 at some point, but it was reverted back to version 52.9.1 due to a bug causing the application to crash on startup. Thunderbird is also available on Flathub, but it's still version 52. Ubuntu 18.10 Cosmic Cuttlefish already has this version so there's no need to add the PPA. Sudo add-apt-repository ppa:mozillateam/ppa

You can add the PPA and install Thunderbird 60 by opening a terminal and using these commands: You'll also receive future Thunderbirds updates by adding the PPA. To install Thunderbird 60 in Ubuntu or Linux Mint, you can use the Firefox ESR and Thunderbird stable builds PPA. Install Thunderbird in Ubuntu or Linux Mint by using a PPA repository Related: Mozilla Thunderbird 60.0 Ships With New Photon Look, Important Changes The latest Thunderbird 60 stable includes important changes, like a new "Photon" look, new light and dark themes, and attachment management and calendar improvements, among others. Mozilla Thunderbird is a free and open source email, news, RSS and chat client for Linux, Windows and macOS.
