Microsoft sent emails to customers using Microsoft Office 2007 under volume licensing program, here’s an excerpt: “Microsoft has updated Microsoft Word 2007 and Microsoft Office 2007 to remove the disputed functionality, which pertains to custom XML tagging. Microsoft has also created a software update for Word 2003 and Office 2003. In vast majority of cases this functionality isn’t in use and requires development knowledge to implement. To learn more about specific custom XML elements removed from Microsoft Word 2007 please read Microsoft Knowledge Base article 978951.[…]Starting Jan 1, 2010, updated English, Spanish, and French language versions of Microsoft Word 2007 or Microsoft Office 2007 are available for download on Microsoft Volume Licensing Service Center. To update other language versions of this software, or to update copies of Microsoft Word 2003 or Microsoft Office 2003, you’ll find instructions on Microsoft Volume Licensing Service Center download pages for these products[…]”. Full email available on XMLAficionado.