Can I link from responses to an existing excel worksheet

I want to have multiple users submit daily numbers from different locations and collect and total them on an excel worksheet.

You can either generate Excel Report or Download Excel data from Form Submission Data.

user guides:

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

#2 http://www.jotform.com/help/101-How-to-create-an-Excel-Report

Hope this help. Let us know if you need further assistance.