To purge your QBO account, the account must be within 60 days old. Follow these steps to reset your company data:
Sign in to your QuickBooks Online account. Edit the URL on the address bar. remove everything after app/and enter purgecompany.
For example: https://...qbo.intuit.com/app/purgecompany Click Yes to confirm the action.
If you have to open a new QBO account, make sure to click the Buy button to get the discounted price for up to 6 months. If you purchase from the trial account, you have to pay the regular price.
You can purge your QuickBooks Online (QBO) account to start over. However, this process will only take effect if your account aged is less than 60 days. Also, it only works for QBO Plus and Essentials version.
Here's how:
Log in to your QuickBooks Online account as an admin.
Change the URL in your browser's address bar. For example:
4. In the Wipe Company Data page, select the correct business type for the first question.
5. For the second question, select Create an empty chart of accounts.
6. Click Wipe Data.
But if your account is older than 60 days, you'll want to cancel your QBO account, and start a new subscription. For more guidance, feel free to check out this article for the detailed steps and information: Delete your data and start over in QuickBooks Online.