Hi Amy,
We want to help you with your concern about connecting your Co-operative Bank account. However, we need more information to provide the correct resolution and sort this out promptly.
Can you share more information about the result when connecting your account? Are you getting an error message during the process? If you could provide some screenshots, it would greatly help.
In the meantime, you can check this article for additional guidance on fixing Open Banking connection errors in QuickBooks: Open Banking connection errors in QuickBooks Online.
Please know that you're always welcome to post questions in this space. Have a great day ahead.
