| Term | Full Form | Category |
|---|---|---|
| OPX | Chart (MS Organization) | Others |
| OPX | Inactive options (Exact) | Others |
| OPX | Off Premise Extension | Others |
| OPX | Off Premises Extension | Others |
| OPX | Ohio Power | Others |
| OPX | Open Philanthropy Exchange | Others |
| OPX | Overland Park Xchange | Others |