Thanks for reaching out to the Community for support. I'm happy to provide you the steps to cancel your account with QuickBooks Online.
Although we hate to see you leave us, we understand there are instances when you no longer need to use QuickBooks Online. Don't sweat. Canceling your account can be done in a few easy steps. I've included the steps below. However, please let me know if there is anything that I can help you with. I'll be here every step of the way.
Open a web browser on your computer, not a mobile device.