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Open In Conversation 1.0.1 Requires Restart
by Jake Hartz
Make the default message list action be "Open Message in Conversation" when double-clicking or using the "Enter" key to open an email from the message list.
About this Add-on
The screenshot shows the "Open Message in Conversation" button in the context menu. With this add-on, that becomes the default when double-clicking or hitting "Enter" on an email in the message list.