Contains information about references and links to other workbooks and data sources.
      
<SupBook />
    | Element type | SupBookType | 
| Namespace | urn:schemas-microsoft-com:office:excel | 
| Schema name | XML Spreadsheet 2000 | 
| Element | Description | 
|---|---|
| ExcelWorkbook | Contains the properties of a workbook. | 
| 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:element name="SupBook" type="SupBookType" minOccurs="0" maxOccurs="unbounded" >
</xsd:element>