A/R Aging Detailed Report: show only transactions with age that is equal to or greater than 90 days

1. Go to Reports > Customers/Receivables > A/R Aging > Customize Detail.
2. Then go to the Filters link and open the folder Unpaid Receivables Transactions.
3. Select the field Age and select "greater than or equal to" in the filter and type in 90.
4. Then also change the Age As Of filter to "before including" today (type in date today).
5. Click the Save button.