One can save Infopath XML data forms as .XML file
or export to Excel:
on ribbon File > Save & Send > Export to Excel (Export form data to an Excel Workbook )
- Export data from single or multiple forms
- Use Excel to analyze data
launches Export to Excel Wizard.
Vice versa, In Infopath Designer 2010, File > New > Convert Existing Form
- Creates a new form template based on either a Word or
Excel file. InfoPath creates the underlying data structure
based on the layout of the original form, updating the data
structure based on any changes you then make to the form
layout.
permits to import Excel workbook into Infopath form