Maybe some of it is that, but it was released amid an activist push for governments and public agencies to be required to use an open file format such as ODF[1]

Maybe some of it is that, but it was released amid an activist push for governments and public agencies to be required to use an open file format such as ODF[1]. So, Microsoft's XML format is open, but it may still not be great. From what I understand that's pretty easy to do with XML. 1. https://en.wikipedia.org/wiki/OpenDocument_adoption#United_States https://en.wikipedia.org/wiki/OpenDocument_adoption#United_S...