This MSWORD template is a .dot file. Save it to your templates directory as a .dot file and attach it to your script. In MSWord 2003, save the file script.dot to the following directory:
C:\Documents and Settings\<username>\Applications Data\Microsoft\Templates
When you start a new script (File->New), you will find the template (script or script.dot) in the General tab of the templates dialog.
How to attach script.dot to an existing script