How to send email upon form submission?

One more thing. I know that after each submission, the information on the form will be sent to a Microsoft Excel spreadsheet. Is there a way that my client can get the submissions in his email box (and be able to receive them on his cell phone as well as his computer?

I'm seeing you had a similar thread about this same question before https://www.jotform.com/answers/990791

Just in case you missed the reply of my colleague from that page, I'll just give you the same guide we give for users who need help in setting up their Email Notifications.

Complete guide: Setting-Up-Email-Notifications

I also strongly suggest you to refer to the following guide too as you might find it helpful: How-to-Properly-Add-Change-and-Test-a-New-Email-Recipient-Address