Simply follow these steps to disconnect your QuickBooks Online account from your PRO account.
- Click on the Admin tab.
- Click on the QuickBooks tab on the left.
- Click on the "click here" text link found in this sentence at the top of the page: "If you wish to disconnect your QuickBooks Online and PRO accounts, please click here."
- Your QuickBooks Online account is now disconnected from your PRO account.
Please see this article for instructions on how to reconnect your currently disconnected QuickBooks Online account to PRO.