Select the Gear icon, and choose Account and Settings.
Click Billing and Subscription.
In the QuickBooks section, select Cancel.
Select Continue to Cancel, then Continue to Cancel again.
Finally, answer the exit survey questions (to help us make QuickBooks better), then scroll down and select Confirm Cancel.
Once an account is canceled, it's data is stored for one year in a read-only state. During this time, you can resubscribe and pick back up where you left off. I suggest the bottom section of this article for additional information on this process: Cancel your QuickBooks Online subscription or trial. I'm here if you have any follow up questions.