How do I export into excel sheet

You may export the submission data to Excel from the submissions view.

https://www.jotform.com/help/44-How-to-Export-Form-Data-to-Excel

You may also create an Excel report from the Reports section. Please refer to the guide below:

https://www.jotform.com/help/101-How-to-Create-an-Excel-Report

Hope this information helps!