Anonymous Monk,
There have been many nodes here on creating Word documents and modifying existing Word documents. The consensus, as best I can tell, is that you can't easily/effectively create Word documents in Perl because the standards are terrible and vary from version to version. You can check Super Search to see if I missed something. Unless you have found a module I do not know about, it sounds like what you are doing is just opening a file with a .doc extension and writing regular text to it. There is no such thing as changing the font in this regard.

The alternative is to create a Rich Text Formatted file that can be opened by Word and then automatically converted. This will certainly allow you to change your font. See RTF::Document for details.

Cheers - L~R