| Subject | English | Chinese Taiwan |
| comp., MS | locally-unique identifier | 本機唯一識別碼 (A 64-bit value that is guaranteed to be unique on the operating system that generated it until the system is restarted) |
| comp., MS | Microsoft .NET Passport unique identifier | Microsoft .NET Passport 唯一識別碼 (A unique identifier used to represent a Passport account) |
| comp., MS | organizationally unique identifier | 組織唯一識別碼 (An unique identifier assigned to organizations and managed by the IEEE) |
| comp., MS | unique identifier | 唯一識別碼 (A 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number. It is used to identify a particular device, component, user, or session) |
| comp., MS | Unique Program Identifier | 唯一程式識別碼 (A 21-character identifier used to identify computers enabled by FlexGo technology product models and locales for a specific solution provider) |
| comp., MS | universally unique identifier | 通用唯一識別碼 (A 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number. It is used to identify a particular device, component, user, or session) |