Thanks for reaching out about your customers and transactions. QuickBooks online is a great tool able to help you keep track of your sales and expenses so you know the profitability of your company. I can provide some assistance with missing information.
One possible cause for this information not to show up would be browsing data. These temporary files can accumulate in your browser, device and network and cause errors like information not displayed in any cloud-based software like QuickBooks Online. You can resolve errors caused by browsing data using these steps: