This scenario happens when the names in the master name list if is out of order, mgrant1. We can re-sort it the list, so the changes will reflect on your Open Invoices report. Let me walk you through the steps.
From theBankingmenu, selectWrite Checks/Checks.
Select in thePay to the order offield, then on the keyboard pressCtrl+Lto open the master NameList.
Select the Include Inactivecheckbox if it's not greyed out.
Click the Name button at the bottom.
Choose Re-sort list.
After this, you can open your report back. You may also want to check the A/R Aging Detail report. This lets you know whose customer has the oldest overdue invoice at the moment.
You can always reach out to us if you find unusual displays on your reports like this one. As you can see, not only the QuickBooks team is responding to questions, we also have a lot of users, like brconsultingid2, who's been helping out since we started.