To see historical orders in Handyman Office in order list you need to click the globe icon in the search field.
This will show both historical and active orders
You can also see orders related to sites/equipments when you go to service module and select order history. This will show both active and historical orders and do not show the historical icon for orders that are historical.
From customer module it is also possible to see order related to customer, and here it also shows which orders are historical with the historical icon