Why can't you view the item list as in the Desktop Version, you could see the supplier as well?

Thank you for reaching out to the Community, @Dura Trailers. I can walk you through the step-by-step process of running reports in QuickBooks Online (QBO).

We can view the product/service list in QBO by following the steps below.

1. Go to the Gear icon.
2. Under List column, select Product and services.

You can also run a product/service list report. Here’s how:

1. On the left navigation pane, select Reports menu.
2. Look for Product/Service List report.
3. Click Run report.

 
For future reference, you can also check out this article to learn more about adding product and service items to QuickBooks Online.

In addition, I also added this article for your reference about exporting reports, lists, and other data from QuickBooks Online.

Let me know if you need further assistance with running reports. I’m just one post away from assisting you. Have a great day!