"Days after declaring its intention to aggressively collect patent royalties from open-source distributors, Microsoft backed adding ODF (Open Document Format for XML), the document file format used widely in open-source alternatives to Microsoft Office, to a list of business standards.

Microsoft also said it will support Office 2007's default document file format, Open XML, for the list maintained by ANSI (American National Standards Institute) as well, according to a press statement."

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