[m-ga]

Thanks Jezebel.

I can guarantee that users within my organisation (about 400 people) will
have the Office Professional Edition 2003 fonts installed. In everyday use
when they're printing out documents, or emailing them to each other,
everything will be fine.

The problem arises when they email documents for editing outside the
organisation. This will not happen often, but is possible. In these
situations, I can't be sure that the Office Professional Edition 2003 fonts
will be available (eg. an earlier or cut-down version of Word might be used).

What does Word do if the specified font is unavailable?

Your answer suggests to simply use system fonts for everything, which
effectively sidesteps the issue. I agree that this will work, but it's not
clear that this will be the only or the best solution for us.