3 ms·Yes: http://en.wikipedia.org/wiki/Office_Open_XML http://en.wikipedia.org/wiki/Office_Open_XMLby jrajav 13y agoYes: http://en.wikipedia.org/wiki/Office_Open_XML http://en.wikipedia.org/wiki/Office_Open_XMLgizmo686 13y agoDid Microsoft run into any trademark issues calling the format "Office Open XML", considering one of the competitors to the Microsoft Office suite is called "Open Office".r00fus 13y agoI'm sure Microsoft chose that name on purpose to create brand confusion.