I dunno if Yahoo problem or all may have this problem, my friend using Yahoo forward a email to me, but there have some attached message, each attached message have last ppls forward to other ppls email...but when I double click into those attached message, only can see who email to who...but cannot see what inside, only can see error show...."highlight message too big"...something like that...sorry I deleted those email, if incoming again, I will copy and paste it here for reference...