[Ext] MoreLayouts

The MoreLayouts extension adds additional layout options to Thunderbird. Features include:

  • Wide Thread View and Stacked View
  • Reversible views
  • Configurable Fullscreen F11 and Message Pane F8 toggles
  • Message pane header toolbar icon display option
  • Vertical Tabs

See the above link for more details and downloads. Comments welcome.