I want to search for all invoices that are still active and overdue. How can I do that?

To search for these invoices, perform following steps:

1.Go to Reports > Invoice > Invoices flow status
2.Choose company
3.Choose your duedate in the field according to picture below.
This means that the search will give a result with all invoices that has a duedate before or exact this date
4.Choose status Active