How do I convert the data from the forms into excel sheet data so that I can keep track and sort through the data quickly?

You can export existing submissions from your form into excel by following this guide:

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

You can also partially download only some of your submissions, by following this guide:

http://www.jotform.com/help/73-How-to-Partially-Download-Form-Submissions-as-Excel-CSV-PDF

Please let us know if you need any further assistance in getting your submissions into Excel format, we will be happy to help.