OPOS Views 5 meanings found OPOS generally describes software components that enable point‑of‑sale devices to communicate via Microsoft’s OLE technology, though it can also denote a template for operating procedures or a portable operating system concept. Miscellaneous OLE for Point of Sale Objective Portable Operating System Community Operating Procedures Outline Sheet Governmental Operating Procedure Outline Sheet Computing OLE (Object Linking and Embedding) for Point Of Sale