Can you e-mail all submission?

You can download the submissions in the Submissions area. You can download it an Excel file, CSV file or PDF. Please check this guide: How-to-Download-Form-Submissions-as-Excel-CSV-PDF

You can also download all the data from all of the forms. Here's a guide: How-to-export-all-of-your-data-at-once

Hope that helps. Thank you.