What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
I am not sure if I understand you correctly. But if want to know how to export the submitted data into excel then follow the instructions provided at https://www.jotform.com/help/44-How-to-Export-Form-Data-to-Excel
Once the data is exported , you can remove the columns that are not required except email id
On the other hand if you want to import the data into the Form Submissions then you need to follow the instructions provided at https://www.jotform.com/help/308-Import-App-Easily-import-your-Excel-or-CSV-data-into-JotForm
If you meant to ask something else, feel free to provide more description about what you are trying to achieve.
Hope this helps.