Window Layout
–Hide system window titlebar check box
–Auto hide tab bar check box: Hide the tab bar when only one tab is open.
Message List
–View style Cards view: Display messages as cards with the option to select two or three lines to display.
–View style Table view: Display messages as a table, with the option to enable horizontal scrolling.
Sorting and Threading
–Toggle button Default Threading: Select the option for displaying the list of messages (Unthreaded, Threaded and Grouped by Sort).
–Default Sort by list: Select the parameter by which the list of messages will be sorted.
–Toggle button Default Sort Order: Select the sort order of the messages.
–Propagate threading and sorting settings to button: Apply the selected message list settings to all folders or to the selected one in the list.