Defines a workbook that will contain one or more Worksheet elements.
      
<Workbook />
    | Element type | Anonymous | 
| Namespace | urn:schemas-microsoft-com:office:spreadsheet | 
| Schema name | XML Spreadsheet 2002 | 
| Element | Description | 
|---|---|
| Styles | Contains the style definitions for the current worksheet. This element is required for custom formatting; otherwise, it is optional. | 
| Style | Defines a single style in the current workbook. This element is required for custom formatting; otherwise, it is optional. | 
| Names | Defines the collection of named ranges within a workbook. | 
| Worksheet | Defines a worksheet within the current workbook. At least one instance of this element is required for a valid XML spreadsheet. | 
| o:SmartTagType | See external namespace. | 
| o:DocumentProperties | See external namespace. | 
| o:CustomDocumentProperties | See external namespace. | 
| o:OfficeDocumentSettings | See external namespace. | 
| x:ExcelWorkbook | See external namespace. | 
| x:PivotCache | See external namespace. | 
| x:Name | See external namespace. | 
| x2:MapInfo | See external namespace. | 
| x2:Binding | See external namespace. | 
| c:ComponentOptions | See external namespace. | 
None.
      
<xsd:element name="Workbook" >
  <xsd:complexType>
    <xsd:sequence>
      <xsd:element ref="o:SmartTagType" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element ref="o:DocumentProperties" minOccurs="0" />
      <xsd:element ref="o:CustomDocumentProperties" minOccurs="0" />
      <xsd:element ref="o:OfficeDocumentSettings" minOccurs="0" />
      <xsd:element ref="x:ExcelWorkbook" minOccurs="0" />
      <xsd:element name="Styles" minOccurs="0">
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element name="Style" type="StyleType" minOccurs="0" maxOccurs="unbounded">
            </xsd:element>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element name="Names" type="NamesType" minOccurs="0">
      </xsd:element>
      <xsd:element name="Worksheet" type="WorksheetType" minOccurs="0" maxOccurs="unbounded">
      </xsd:element>
      <xsd:element ref="x:PivotCache" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element ref="x:Name" minOccurs="0" />
      <xsd:element ref="x2:MapInfo" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element ref="x2:Binding" minOccurs="0" maxOccurs="unbounded" />
      <xsd:element ref="c:ComponentOptions" minOccurs="0" />
    </xsd:sequence>
  </xsd:complexType>
</xsd:element>