Contains information about references and links to other workbooks and data sources.
| Namespace | urn:schemas-microsoft-com:office:excel | 
| Schema name | XML Spreadsheet 2000 | 
| Element | Description | 
|---|---|
| Path | Contains the type, path, and file name of an external or linked workbook or data source, or for a PivotList component, the name of the column, leaf, or row member of an axis or cell. | 
| SheetName | Contains the name of a worksheet in another workbook. | 
| ExternName | Contains information about a DDE or OLE link, or a referenced name that is defined in another workbook. | 
| Xct | Contains information about references to cells in a worksheet of another workbook and about the data in those cells. | 
None.
      
<xsd:complexType name="SupBookType" >
  <xsd:sequence>
    <xsd:element name="Path" type="xsd:string">
    </xsd:element>
    <xsd:element name="SheetName" type="xsd:string" maxOccurs="unbounded">
    </xsd:element>
    <xsd:element name="ExternName" type="ExternNameType" minOccurs="0" maxOccurs="unbounded">
    </xsd:element>
    <xsd:element name="Xct" type="XctType" maxOccurs="unbounded">
    </xsd:element>
  </xsd:sequence>
</xsd:complexType>