There's definitely a way to do that, boxesnearaz-gmai.
You can customize the Sales by Customer Detail report and add a column by the customer before exporting it to Excel in QuickBooks Online. I'd be glad to show you how:
- Go to the Reports menu.
- Open the Sales by Customer Detail report.
- On the report window, select Custom.
- Go to the small Gear icon.
- In the Columns section, check the Customer columns.
- Hit OK, then click the Excel or Export to Excel at the top.


I'm also adding this article to help track your sales and save your custom reports in QuickBooks Online: Customize reports in QuickBooks Online.
Keep me posted if you need additional assistance in managing your other reports. Wishing you all the best.