Thank you for reaching out to us about your Online bill Pay concern. I'm here to help you update the information in QuickBooks Online.
You can access the email preferences for Bill Pay to make changes to the notifications. This section is available in the Account and settings section of your QuickBooks.
Here's how:
Go to Settings ⚙, then select Account and settings.
Select Bill Pay.
Press Email preferences.
Hit the edit icon (pencil).
Choose your preferences and select Save.
In case you're trying to update the registered email address for the notifications, please contact our dedicated support team. They have the necessary tools to update the details on your behalf.
Please reach them through these steps:
Click the Help tab in the upper-right corner.
Go to the Assistant tab.
Click Get help from a human.
Choose Chat with us or Have us call you.
Also, did you know you can also view a list of unsuccessful payments? For your reference about how you can access the payment history, I've attached this link: Payment details and history in Online Bill Pay.
Don't hesitate to click the Reply button if you have additional questions about paying bills or managing your preferences. I'd be glad to lend a hand. Have a great day.