Note: Only the account owner can delete their own account and they have to downgrade first if they’re on a paid plan.
How to delete your account
Click your account name on the lower right corner followed bySettings & Members
.

Important: If you need to just change the email you use, head over to account settings.
General
in the left side, and scroll down to Delete account
.

Delete all
.
Good to know: If you decide to come back to Fillout, you can create a new account using the same email address you used before.