Open XML marks year anniversary: Open XML support in Office 2010

This week marks the year anniversary of the first publication of ISO/IEC 29500, also known as Open XML. As the cross-Office driver responsible for Open XML support in Office 2010 Beta. In document format space, the big question on everyone’s mind’s what level of support Office 2010 will’ve for Open XML. Microsoft announced that Office 2010 will generate, by default, ISO/IEC 29500-compliant files of the transitional conformance class. The first step to get Office 2010 generating ISO/IEC 29500-compliant files was to evaluate the files that was generating in Office 2007. That product was generating ECMA-376 First Edition files, which, as you’ll recall, was the precursor to ISO/IEC 29500 standard. Once we identified the differences in syntax resulting from either bugs or changes in the standard, we went about making the changes required to get our syntax compliant. It generally surprises people when they learn about some of the changes we had to make to get our syntax compliant.[…]

Full Article: Office 2010 blog