Operation Manual

You can configure your columns by clicking Columns Configuration - you will see the
following window:
If you click on Customize Current View, you will be redirected to the Mail tab of the Appearance
section in Settings, where you can customize your appearance settings.
You can easily expand / collapse all groups by right-clicking the group header and selecting
Expand All Groups or Collapse All Groups from the context menu.
Grouping also works for your Instant Messaging contacts listed in the Sidebar.
You can simply apply your column configuration also to the other folders, just right-click the column
header, choose Apply Column Configuration to Other Folders... from the context menu and
then select the folders to which you would like the column configuration to be applied.