It's our pleasure to help, @jennyhan.
Let me show you how to send a request to support your bank.
You can find that on the Connect an account page when trying to add a bank account. You'll receive that prompt when we can’t find the bank in our list of supported banks. Check this screenshot:
On the next page, provide the bank information. Click on Request once you're done.
You can check this article for more information: Find your bank or credit card account when you connect to online banking.
In the meantime, you can add your bank transactions through the WebConnect process. You’ll have to manually download the transactions from the bank. Then, upload the file to your account.
Download bank transactions:
To upload the file to your QuickBooks account:
Check this article for more information: Manually upload transactions into QuickBooks Online. From here, you can categorise and match and then reconcile the transactions.
Let me know if there’s anything else that I can assist about your bank transactions by leaving a comment below. I’m always here to assist. Have a wonderful day!