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The 2007 Microsoft Office system introduces a new file format that is based on XML. It is called Microsoft Office Open XML Formats and applies to Microsoft Office Word 2007, Microsoft Office Excel 2007, and Microsoft Office PowerPoint 2007. This article summarizes key benefits of the new format, describes what the new file name extensions are, and discusses how you can share the 2007 Office release files with people who are using earlier versions of Office.
What are the benefits of Office XML Formats?
The Office XML Formats introduces a number of benefits — not only for developers and the solutions that they build, but also for individual people and organizations of all sizes:
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Compact files Files are automatically compressed and can be up to 75 percent smaller in some cases. The Office XML Formats uses zip compression technology to store documents, offering potential cost savings as it reduces the disk space required to store files and decreases the bandwidth needed to send files via e-mail, over networks, and across the Internet. When you open a file, it is automatically unzipped. When you save a file, it is automatically zipped again. You do not have to install any special zip utilities to open and close files in the 2007 Office release.
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Improved damaged-file recovery Files are structured in a modular fashion that keeps different data components in the file separate from each other. This allows files to be opened even if a component within the file (for example, a chart or table) is damaged or corrupted.
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Better privacy and more control over personal information Documents can be shared confidentially, because personally identifiable information and business-sensitive information, such as author names, comments, tracked changes, and file paths can be easily identified and removed by using Document Inspector. For details, see Remove hidden data and personal information from Office documents.
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Better integration and interoperability of business data Using Office XML Formats as the data interoperability framework for the 2007 Office release set of products means that documents, worksheets, presentations, and forms can be saved in an XML file format that is freely available for anyone to use and to license, royalty free. Office also supports customer-defined XML Schemas that enhance the existing Office document types. This means that customers can easily unlock information in existing systems and act upon it in familiar Office programs. Information that is created within Office can be easily used by other business applications. All you need to open and edit an Office file is a ZIP utility and an XML editor.
For more information click:
http://office.microsoft.com/en-us/help/HA100069351033.aspx
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