Office 2003/XP: Remove Personal Data from Word, Excel, and Powerpoint Files
Contributed by David Kirk 
Tagged: Microsoft Office Office keeps a lot of personal information in your document files. Here is how to remove it.
Microsoft Office keeps a lot of personal information locked inside documents created within Word, Excel, and Powerpoint. Although this information is helpful within your own system, this information should be removed from the files before you release them into the public.
Luckily Microsoft has released a program to help you remove this information.
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grooveDexter said on December 22, 2009
With Office 2010 there is a really cool too included with the Office suite to let you remote your personal information and meta tags from entire documents at once.
Link to the tutorial: http://www.groovypost.com/howto/microsoft/office-2010-remove-meta-personal-info-document-file-privacy/