@tl770000 wrote:
Is there a way to just shut down the entire account so we can start again?
If it's not a paid account and you won't be using the same email address, just ignore the account and it will be deleted automatically after a year of inactivity.
If it was a paid account, Support can help you cancel any future charges. To contact Support, visit the Support page while you're NOT signed in to a Dropbox account, including these forums, and you'll see an option for Billing issues. It's best to use an Incognito or Private browsing session to make sure you're not signed in.