Starting with Office 2007, Microsoft switched to Office Open XML (OOXML) as the default file formats for its applications. However, the legacy .doc (Word), .xls (Excel) and .ppt (PowerPoint ...

An XML-based file format developed by Microsoft and standardized by ECMA. Starting with Microsoft Office 2007, Office Open XML is the default document format for saving applications. See Office ...

Open XML, on the other hand, is the new native file format for the primary applications within Office 2007, Microsoft's suite update. By mid-2007, WordPerfect will include open, view, and edit ...

Microsoft's Open XML file formats for Office 2007 have been approved by the Ecma International standards body, the company said. The formats will now be submitted to the International Standards ...

It is not exactly clear how this news will affect the file format spat launched by the ... saying that Microsoft's Office Open XML met the state's needs for document storage and interoperability.