| Subject | Portuguese | English |
| fin., transp. | acordo designado por "open sky" | open sky agreement |
| comp., MS | Contrato Open Value Subscription | Open Value Subscription Agreement (A Microsoft volume licensing contract available for small and mid-sized companies that provides a license grant on a subscription basis) |
| fin. | Federal Open Market Committee | Federal Open Market Committee |
| comp., MS | formatos Office Open XML | Office Open XML formats (An international open standard for word-processing documents, presentations, and spreadsheets that can be freely implemented across multiple applications and platforms) |
| comp., MS, Braz. | formatos Open XML | Open XML formats (An international open standard for word-processing documents, presentations, and spreadsheets that can be freely implemented across multiple applications and platforms) |
| law | o BCE definirá princípios gerais para as operações de open market e de crédito | the ECB shall establish general principles for open market and credit operations |
| fin. | open end mortgage | open end mortgage |
| comp., MS, Braz. | Open Geospatial Consortium | Open Geospatial Consortium (The standards body that defines standards for describing and communicating geospatial data) |
| comp., MS | Open Systems Interconnection | Open Systems Interconnection model (A networking model introduced by the International Organization for Standardization (ISO) to promote multi-vendor interoperability. OSI is a seven-layered conceptual model consisting of the application, presentation, session, transport, network, data-link, and physical layers) |
| law | operação de open market | open market operation |
| law, fin. | operações de "open market" e de crédito | open market and credit operations |
| industr. | produto "open" | "open" product |
| comp., MS, Braz. | protocolo Open Data | Open Data Protocol (A Web protocol that enables you to expose and consume data over the Web or intranet by using the semantics of representational state transfer (REST). Data is exposed as resources that are addressable by URIs. Data is accessed and changed by using standard HTTP verbs of GET, PUT, POST, and DELETE. Entity-relationship conventions of the Entity Data Model are used when defining resources as sets of entities that are related by associations) |
| fin. | título de open-market | open-market security |
| comp., MS, Braz. | Windows Open Services Architecture | Windows Open Services Architecture (A common set of interfaces that connect front-end applications with back-end services) |