| Subject | English | Chinese simplified |
| comp., MS | File Open Picker contract | 文件开启选取器合约 (A contract that enables developers to create apps that use the file picker to offer files to other apps) |
| comp., MS | Open Received Files | 打开收到的文件 (An item on the File menu that opens files that the user has received via Communicator conversations) |
| comp., MS | Open Software Descriptor file | 开放软件描述文件 (An XML-based file that instructs the client on how to retrieve the sequenced application from the Application Virtualization Management/Streaming Server and how to run the sequenced application in its virtual environment) |