Since re installing Windows 10 have been unable to sync BT Mail with Microsoft Outlook,Windows live,Thunderbird,my computer advisor tried on his Computer using Thunderbird & failed he is at a total loss,so are Microsoft & BT are not helpfull,There is a problem either with Microsoft or BT or both,There seems little knowledge out there,Microsoft raised their operator to level 2 still useless & ther is no one within BT with any knowledge