| Subject | English | Norwegian Bokmål |
| comp., MS | Extensible Firmware Interface system partition | Extensible Firmware Interface-systempartisjon (A small portion on a GUID partition table (GPT) disk that is formatted with the file allocation table (FAT) file system and contains the files necessary to start the computer and pass execution to an operating system which resides on another partition) |
| comp., MS | Extensible HTML | XHTML (A markup language that extends HTML and reformulates it as XML) |
| comp., MS | extensible rights markup language | Extensible Rights Markup Language (A proposed standard digital rights management (DRM) markup language which enables users to specify rights and conditions associated with resources, such as digital content or Web services) |