| Subject | German | Norwegian Bokmål |
| comp., MS | Office Open XML-Formate | Office Open XML-formater |
| comp., MS | Open Shortest Path First | Open Shortest Path First |
| comp., MS | Open Software Descriptor-Datei | Open Software Descriptor-fil |
| comp., MS | Open XML-Formate | Open XML-formater |
| comp., MS | Web App Open Platform Interface | WOPI (Web app Open Platform Interface) |