How can I export my form data and import it to SPSS?

Do you mean the IBM SPSS Software? If so, the following guide will help:

http://www-01.ibm.com/support/docview.wss?uid=swg21476408 

To get the excel file from your form, please follow the steps here: https://www.jotform.com/help/101-How-to-create-an-Excel-Report.