I am marking this thread: http://community.logos.com/forums/p/64763/500932.aspx#500932
as a bug in L5.
I am currently running 5.1 (5.1.0.0943). My custom CBV style is:
%CharFormatting
%NoRedLetter
%NoFootnotes
%NoCitation
=Header
[FullPassageRef]
=ForEachVerse
<sup> [VerseNum]</sup>[VerseText]
=Footer
In MS Word 2010, my advanced options are:

The problem, when pasting into MS Word, using Ctl+Alt+B, then Alt+P, is that the text is inserted into Word with different font sizes. The reference is 10pt and the verse is 12 pt. Picture below:

My Normal.dot style is Arial, 10 pt. font.
Thanks for your help.