is it possible to start em client with all inboxes open as it opens with default inbox and I have to then open all inboxes.
Yes
Menu Tools Settings General
Turn on smart Folders
and Set Start in “Global Inbox”
Once activated put mouse over “Smart Folders” do a right click go to Display pulldown and
select what you want
You may want to activate Show in Groups which shows by dates so it is easier to see
Put mouse on mail header (account subject from etc ) then right click for options