From In-Portal User Manual

Archived

This tab contains all archived orders. Archived orders are successfully processed orders, which have been moved to a different section for ease of data management. There is no principal difference between archived and processed orders.
One action unique to this and to the Denied section is Delete. Only Denied and Archived orders can be deleted. Deleting an order permanently removes it from the database, and cleans up any references to the order. There is no way to retrieve the order information after it has been deleted (unless you have database backups, which you will need to analyze manually), and moreover, the order number of a deleted order can technically be reused for another order (normally this would not happen, because the system uses the highest order number to generate the next one, therefore “holes” in the sequence are not used up). All of this could cause historical inaccuracies and difficulties tracing order details. Therefore, we strongly recommend not to delete orders, unless it is necessary for some other purposes.
This section has the following action buttons in the toolbar:

• Edit – edits the selected orders (as with any other list in In-portal, you can edit multiple items at once). You can only edit the administrator comments at this stage.
• Deleted – permanently removed the selected order from the database.
• Clone – creates a complete copy of the order, but assigns it a new order number, resets the status to “Incomplete” and clears any shipping dates and payment receipt confirmations. This is very useful for re-ordering – creating new orders for the same products to the same customer, as well as modifying orders when they have already been processed – to do this, clone the order and deny the original.
• Print – prints the order invoice.