Invoices for which the payment term has expired appear in the open payments overview. Here you can filter by type of invoice and phase. This allows you to easily view how many invoices of a certain 'type' have received a first reminder (for example).
1. In the submenu on the right, click Open payments;
2. By using the filters you can get the overview you want;
3. From this overview it is possible to send reminders or postpone the payment when you hover over the invoice;
4. This can also be done in bulk by selecting multiple invoices;
5. You can export this data by clicking Export at the bottom.