Contradicting this earlier article
claiming otherwise, smith_barney writes "Contrary to reports, Microsoft is not opening up its proprietary Office XML schemas. Essentially, the state of Massachusetts is simply repositioning what it considers an 'open format.' According to a report in BetaNews, Microsoft told the state it would ease licensing restrictions, but only for 'end users who merely open and read government documents.' This hasn't stopped Microsoft from tooting its horn, but Jupiter Research senior analyst Joe Wilcox says, 'Buzz about so-called open formats is little more than PR FUD.'"