Hi, bookkeeper67.
Good to see you here in the Community. It's my priority to help ensure you're able to see all your banks in Quickbooks Online.
Here's how:
1. Go to the Banking menu.
2. Click on the drop-down arrow beside Go to bank register to view all your banks.
Also, I'll show you how to manually update your bank account with QuickBooks Online.
1. On the left pane, click Banking.
2. Select the credit card account from the Bank and Credit Cards drop-down menu.
3. Click the Update button. Please run the update around 3-5 times to build a stable connection.
You can visit this article for any bank questions: Banking.
I've added this article to help you with your future tasks when you're ready to assess your client's business financials: How to Reconcile an Account in QuickBooks Online.
Please reach us back if you have other concerns about QuickBooks. We're always here to lend you a helping hand.