Office Open XML
11 WordprocessingML
11.2 Package Structure

11.2 Package Structure

A WordprocessingML package shall contain a package-relationship item and a content-type item. The package- relationship item shall have implicit relationships with targets of the following type:

The package-relationship item is permitted to have implicit relationships with targets of the following type:

  • Digital Signature Origin (15.2.7)
  • File Property parts (15.2.12) (Application-Defined File Properties, Core File Properties, and Custom File Properties), as appropriate.
  • Thumbnail (15.2.16).

The required and optional relationships between parts are defined in 16.1 and its subordinate clauses.

[Example: The following package represents the minimal conformant WordprocessingML package as defined by ISO/IEC 29500:

First, the content type for relationship parts and the Main Document part (the only required part) must be defined (physically located at /[Content_Types].xml in the package):

<Types   xmlns=" ">
<Default Extension="rels"
ContentType="application/vnd.openxmlformats-
package.relationships+xml"/>
<Override
PartName="/document.xml"
ContentType="application/vnd.openxmlformats-
officedocument.wordprocessingml.document.main+xml"/>
</Types>

Next, the single required relationship (the package-level relationship to the Main Document part) must be defined (physically located at /_rels/.rels in the package):

<Relationships
xmlns="…">
<Relationship
Id="rId1"
Type=" " Target="document.xml"/>
</Relationships>

Finally, the minimum content for the Main Document part must be defined (physically located at /document.xml in the package):

<w:document   xmlns:w="…">
<w:body>
<w:p/>
</w:body>

</w:document>

end example]

[Example: Consider a WordprocessingML document that is an early draft of ISO/IEC 29500. Here’s an example of the hierarchical folder structure that might be used for the ZIP items in the package for that document. As shown, one part, Main Document (stored in the ZIP item /word/document.xml), has its own relationship item:

/[Content_Types].xml  Content-type   item
/_rels/.rels  Package-relationship   item
/docProps/app.xml  Application-Defined   File   Properties   part
/docProps/core.xml  Core   File   Properties   part
/word/document.xml  Main   Document   part
/word/_rels/document.xml.rels  Part-relationship   item
/word/comments.xml  Comment   part
/word/endnotes.xml  Endnotes   part
/word/fontTable.xml  Font   Table  part
/word/footer1.xml  Footer   parts
/word/footer2.xml
/word/footer3.xml
/word/footer4.xml
/word/footnotes.xml  Footnotes   part
/word/header1.xml  Header   parts
/word/header2.xml
/word/header3.xml
/word/header4.xml
/word/header5.xml
/word/header6.xml
/word/numbering.xml  Numbering   Definitions   part
/word/settings.xml  Document   Settings   part
/word/styles.xml  Style   Definitions   part
/word/theme/theme1.xml  Theme   part

The package-relationship item contains the following:

<Relationships
xmlns="…">
<Relationship
Id="rId3"
Type="http://…/extended-properties"
Target="docProps/app.xml"/>
<Relationship   Id="rId2"
Type="http://…/core-properties"   Target="docProps/core.xml"/>
<Relationship   Id="rId1"
Type="http://…/officeDocument"   Target="word/document.xml"/>
</Relationships>

end example]

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