I've checked and there isn't a case reported about the Payee drop-down not listing information, scand.
It could be a browser-related issue. You can clear cache and cookies to boost the web page. Some stored data on your browser can impact the data being transmitted, thus causing some unusual responses.
Follow the steps to clear cache for your browser:
As an alternative, you can use other supported browsers when accessing QuickBooks. If you want to see if your current browser is compatible, use the browser health checkup tool.
After performing those troubleshooting steps above, you can go back and sign in to your account. Then, enter a check or expense in QuickBooks.
Let me know if you need anything else with QuickBooks Online. I'll be around to help ensure you're able to see the list of payee when you create a transaction.
Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.
