>>>Or just move mouse over the Message view setup in the top-right corner of the message. :)
>>
>>That was my first thought.
>>But when I moved the mouse It wasn't there :-)
>>Now I see that it wasn't there just because I was in reply mode :-)
>
>Incorrect. It's there in both modes. At least for me :)

Click on reply to this message and then click on Message view setup menu. I don't see Acronyms there.
here what I see there: http://www.microcomplex.com/util/menu.jpg