The steps to cancel your QuickBooks Online (QBO) account depend on where you signed it up. If you signed up via a mobile app store, you’ll want to visit your app store to deactivate the account. On the other hand, if you've purchased directly from Intuit, follow the steps below to cancel your plan:
Access on the web browser to your computer and not on a mobile device.
Go to Settings and click Subscriptions and Billing.
In the QuickBooks section, choose Cancel Subscription or Cancel Online. To cancel the trial, pick Cancel trial, then follow the on-screen steps.
After canceling your subscription, your data will be available in read-only mode for only one year. Refer to this article for instructions on canceling subscriptions purchased through Google Play or Apple App Store. Follow the official steps to cancel a subscription from Apple.
Moreover, if you want to resubscribe or reactivate your QuickBooks account for future use. To know more about what will happen when you cancel your subscription, you can check out these articles: