Difference between pages "Word Document (DOCX)" and "Skype"

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DOCX is the file format for Microsoft Office 2007 and later.
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DOCX should not be confused with [[DOC]], the format used by earlier versions of Microsoft Office.
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== External Links ==
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* [http://www1.cs.columbia.edu/~library/TR-repository/reports/reports-2004/cucs-039-04.pdf An Analysis of the Skype Peer-to-Peer Internet Telephony Protocol], by Salman A. Baset and Henning Schulzrinne, September 2004
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* [http://download.skype.com/share/security/network-admin-guide-version2.2.pdf Guide for Network Administrator’s], by Skype Limited, December 2006
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* [http://download.skype.com/share/business/guides/skype-it-administrators-guide.pdf IT Administrators Guide], by Skype Limited, 2010
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* [http://my.opera.com/wpost/blog/skype-forensics Skype forensics], by Warren Post, June 21, 2012
  
= Container Format =
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[[Category:Analysis]]
 
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DOCX is written in an XML format, which consists of a [[ZIP archive]] file containing [[XML]] and binaries. Content can be analysed without modification by unzipping the file (e.g. in WinZIP) and analysing the contents of the archive.
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The file _rels/.rels contains information about the structure of the document.  It contains paths to the metadata information as well as the main XML document that contains the content of the document itself.
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Metadata information are usually stored in the folder docProps.  Two or more XML files are stored inside that folder, app.xml that stores metadata information extracted from the Word application itself and core.xml that stores metadata from the document itself, such as the author name, last time it was printed, etc.
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Another folder contains the actual content of the document, in a Word document, or an .docx document the folder's name is word.  A XML file called document.xml is the main document, containing most of the content of the document itself.
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= Relationship to OOXML =
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Office Open XML is an open XML standard developed by Microsoft for word processing documents, spreadsheets, presentations and charts. The OOXML standard was submitted to the ISO for approval.  After initially being rejected over technical concerns, the ISO approved a modified version as ISO/IEC 29500:2008. Microsoft intended to use the OOXML standard for its Office suite. However, Office does not support the standard that the ISO approved, it only supports the standard that was originally rejected by the ISO[http://arstechnica.com/microsoft/news/2010/04/iso-ooxml-convener-microsofts-format-heading-for-failure.ars]. As of Office 2010, Microsoft has still not brought its software into compliance with the standard.
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For most purposes OOXML may be considered a subset of DOCX (DOCX contains additional features, like OLE serialization).
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Documentation on OOXML may provide a guide to analysing a DOCX file.
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= Metadata =
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== Core (Document) Properties ==
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<pre>
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docProps/core.xml
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</pre>
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<pre>
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&lt;?xml version="1.0" encoding="UTF-8" standalone="yes"?&gt;
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&lt;cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties"
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    xmlns:dc="http://purl.org/dc/elements/1.1/"
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    xmlns:dcterms="http://purl.org/dc/terms/"
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    xmlns:dcmitype="http://purl.org/dc/dcmitype/"
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    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"&gt;
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&lt;dc:creator&gt;User 1&lt;/dc:creator&gt;
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&lt;cp:lastModifiedBy&gt;User 2&lt;/cp:lastModifiedBy&gt;
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&lt;cp:revision&gt;3&lt;/cp:revision&gt;
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&lt;dcterms:created xsi:type="dcterms:W3CDTF"&gt;2012-11-07T23:29:00Z&lt;/dcterms:created&gt;
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&lt;dcterms:modified xsi:type="dcterms:W3CDTF"&gt;2013-08-25T22:18:00Z&lt;/dcterms:modified&gt;
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&lt;/cp:coreProperties&gt;
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</pre>
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= External Links =
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* [http://msdn.microsoft.com/en-us/library/aa338205.aspx Introducing the Office (2007) Open XML File Formats], by [[Microsoft]], May 2006
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* [http://www.simson.net/clips/academic/2009.IEEE.DOCX.pdf The new XML Office Document Files: Implications For Forensics], [[Simson L. Garfinkel]] and James Migletz
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* [http://blog.kiddaland.net/2009/06/office-2007-metadata/ Perl script that displays metadata information that is extracted from an OpenXML document], by [[Kristinn Gudjonsson]], June 2009
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* [http://blog.kiddaland.net/2009/07/antiword-for-office-2007/ Perl script that displays the content of a Docx document, similar to Antiword], by [[Kristinn Gudjonsson]], July 2009
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* [http://computer-forensics.sans.org/blog/2009/07/10/office-2007-metadata/ Office 2007 Metadata], by [[Kristinn Gudjonsson]], July 10, 2009
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[[Category:File Formats]]
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Revision as of 02:03, 5 December 2013

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