Custom form building - How to create an XML file for use in BI Publisher Template Builder for Word

I am trying to create a custom form using the BI Publisher Template Builder for Word to be used in Contract Management 14.  I have downloaded/installed the BI Publisher Template Builder for Word.  Now I need to get the data fields from the data model downloaded locally as an XML file.  I opened BI Publisher ad selected the data model (DM_F_CO_01), then chose the option to "Export XLIFF" - then "Open with XML Editor" and saved the file as an XML to my local drive.  Back in the BI Pub Template Builder for Word now, I try to load that