Select the records from the list view and then archive/unarchive from "Action".

Note: You can archive/unarchive records in sales(quotation and sale orders), purchase(request for quotation and purchase orders), inventory(delivery order, incoming order, internal transfer & inventory adjustments) & invoicing( invoice, bill, credit note, debit note & payments).

Now we archive record from the form view.

You can unarchive that archived record from the form view.