Much like images that have been created with digital cameras Word documents contain hidden meta data that contain information about the author of the document. It can also contain additional information like comments and remarks, previous authors or revisions. While that is normally not a problem for the author because most recipients do not care or know that those information are available it can become a problem in some cases.
The most notable is that it is a privacy issue for the author of the document. I would not feel comfortable if I had to publish a document on the Internet that would contain information about me. The information could also be used by someone else to find out if you are the real author of the document.
Microsoft’s Remove Hidden Data tool for Office 2003 and Office XP is an add-in that provides the user with an option to remove that meta data from the documents. The application that created the document has to be installed to make this work though. I’m not sure if it is backwards compatible but it seems to be logical that it should be.
The application can be controlled from within the applications of Microsoft Office or from the command line. The following information can be removed with the Office tool:
- Comments.
- Previous authors and editors.
- User name.
- Personal summary information.
- Revision marks. The tool accepts all revisions specified in the document. As a result, the contents of the document will correspond to the Final Showing Markup view on the Reviewing toolbar.
- Deleted text. This data is removed automatically.
- Versions.
- VB Macros. Descriptions and comments are removed from the modules.
- The ID number used to identify your document for the purpose of merging changes back into the original document.
- Routing slips.
- E-mail headers.
- Scenario comments.
- Unique identifiers (Office 97 documents only).
Restrictions prevent it from removing those information from the following types of documents:
- Documents using rights-management permissions
- Protected documents
- Digitally signed documents
- Shared workbooks
It does work pretty well. Users of Office 2007 on the other hand do not need to install this tool because the feature to remove the hidden data was build into that application. More on that later.
Related posts:
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Office 2003 Service Pack 3
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2 Responses to “Remove Hidden Data tool for Office 2003 and Office XP”
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[...] Remove Hidden Data tool for Office 2003 and Office XP MS Office add-on to remove metadata from documents (tags: totw office) [...]
If you would like some alternative strategies to avoid sending such data plus some screenshots you can have a look here:
http://proreviewer.com/2008/06/25/security-tip-remove-hidden-data-from-your-microsoft-office-documents/
Regrads,
Barry Cleave