If you get the same result, I recommend contacting our Customer Support Team, who currently handles QuickBooks subscription cancellation requests. By doing so, they can also help check your Intuit Account login credentials.
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When you cancel your QBO subscription, you have read-only access to your company data for a year. To learn more about it, kindly refer to this article: What happens to my QuickBooks Online data after I cancel?. It contains information about data availability and export policies after cancellation.