Change Word’s Default Font – PC and Mac
If you routinely change the font of most Word documents, you can customize the default font to your preference. This results in greater efficiency. Click the link for step by step instructions and a short video for both Word 2010-PC and Word 2011-Mac.
http://helpdesk.etown.edu/helpconsole2012/KB/default.aspx#pageid=default_font_change