Thanks to J. Antas for this link. According to this Tatle article Norway plans to drop proprietary file formats completely in government: ‘…The plan clearly favors Open Source communities and solutions, and Linux, but will also favors Apple computer where increasingly open source technologies and open standards are finding their way into the historically proprietary Mac OS. It remains to be seen what response the plan will prompt from Microsoft, who has been very reluctant to open up its word processing, spreadsheet and media formats. Without support for open standard formats, Microsoft will rapidly make itself irrelevant as supplier to both public sector, businesses and private persons, as they all have the need to communicate electronically with the government in the future…’