Export and Import with changes

Hopefully I'm posting in the correct place for RV&S 13?

We are just starting with RV&S and have a few tests. In one, we find a "configuration" and export to excel (that works).

On the Web Home page, scroll to the bottom of the home screen and select Site Notes / WIndchill RV&S Documentation.
Select Launch Tool
Enter in Network credentials.
Select the "Select Excel File" icon. Then Choose the File.
Import the exported and updated spreadsheet,

Edit the existing document (because we want to upload the "changes")

After all the other screens you get to the final section [3] and field mapping and then we select Use Completed mapping.

Then when we review, it has ADDED items (basically duplicated) but not changed any items.

Are we missing something?