1. A file or data format that is owned and controlled by a company or organization, typically not openly documented and restricted by patents or licensing agreements
The software saves documents in a proprietary format that cannot be easily opened by other applications.
O software salva documentos em um formato proprietário que não pode ser facilmente aberto por outros aplicativos.
2. A closed standard that limits interoperability and user freedom compared to open formats
Users complained about the proprietary format because they were locked into using only that company's software.
Os usuários reclamaram sobre o formato proprietário porque ficaram presos usando apenas o software dessa empresa.