| Subject | English | Polish |
| comp., MS | UPN (A user account name sometimes referred to as the user logon name and a domain name identifying the domain in which the user account is located. This is the standard usage for logging on to a Windows domain. The format is: user | nazwa UPN |
| comp., MS | user principal name (A user account name sometimes referred to as the user logon name and a domain name identifying the domain in which the user account is located. This is the standard usage for logging on to a Windows domain. The format is: user | główna nazwa użytkownika |
| comp., MS | Windows user name | nazwa użytkownika systemu Windows (A unique name that identifies a user account to Windows. An account's user name must be unique among the other group names and user names within its own domain or workgroup) |