[John Marsden, FH Ba]

Originally Posted by jjzhuang

Thanks John! Now please try one last thing. Go into Options tab and select the Mail subtab. Find the checkbox "Flash the browser title" and uncheck that. Save, and then do a Shift+F5 reload. See if it makes any difference. Thanks!

OK. I presume you mean the "Preferences" tab . Went into Mail subtab but "Flash the browser title" is already unchecked. Tried checking it, saving, reloading - still no folder tree. Unchecked again, saved, reloaded. Still no folder tree.