You might appreciate the Thunderbird Conversations add-on, which displays threaded conversations. With this add-on, the message view looks similar to Gmail's or

You might appreciate the Thunderbird Conversations add-on, which displays threaded conversations. With this add-on, the message view looks similar to Gmail's original interface. https://addons.thunderbird.net/en-US/thunderbird/addon/gmail-conversation-view/ https://addons.thunderbird.net/en-US/thunderbird/addon/gmail... https://github.com/thunderbird-conversations/thunderbird-conversations https://github.com/thunderbird-conversations/thunderbird-con...