# Excel Schema Overview

The following schemas are used with SpreadsheetML, an XML dialect useful for extracting information from Excel spreadsheets.

Namespace | urn:schemas-microsoft-com:office:excel
Description | This namespace defines elements and attributes used to describe more complex features of Excel, such as PivotTables, worksheet options, and validation.
Prefix | x
Friendly Name | XML Spreadsheet 2000

Namespace | urn:schemas-microsoft-com:office:spreadsheet
Description | This namespace contains the elements and attributes related to basic spreadsheet functionality.
Prefix | ss
Friendly Name | XML Spreadsheet 2002

Namespace | http://schemas.microsoft.com/office/excel/2003/xml
Description | This namespace contains functionality added in Microsoft Office Excel 2003, which mainly includes mapping XML.
Prefix | x2
Friendly Name | XML Spreadsheet 2003

Namespace | uuid:C2F41010-65B3-11d1-A29F-00AA00C14882
Description | This namespace contains the data types that can be used for columns in PivotTables.
Prefix | dt
Friendly Name | Data Type

Namespace | urn:schemas-microsoft-com:rowset
Description | This namespace is used to describe the attibutes of the row element for PivotTables.
Prefix | rs
Friendly Name | Rowset

Namespace | uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882
Description | This namespace contains elements and attributes which describe the row elements for PivotTables.
Prefix | s
Friendly Name | Rowset Definition

Namespace | #RowsetSchema
Description | This namespace provides a description of a generalized row element that is used as a model for validation purposes when using PivotTables.
Prefix | z
Friendly Name | Model Row

Namespace | http://schemas.microsoft.com/data/udc
Description | This namespace contains elements and attributes which describe Universal Data Connections that are used in Microsoft Office Excel 2003 to connect to external data sources.
Prefix | udc
Friendly Name | Universal Data Connection

Namespace | http://schemas.microsoft.com/data/udc/soap
Description | This namespace defines external data connections when using the SOAP protocol.
Prefix | udcs
Friendly Name | Universal Data Connection SOAP

Namespace | http://schemas.microsoft.com/data/udc/xmlfile
Description | This namespace defines only one element, File, which specifies the pathname of an XML file that is used by UDC.
Prefix | udcxf
Friendly Name | Universal Data Connection XML File

Namespace | urn:schemas-microsoft-com:office:component:spreadsheet
Description | This namespace supports the Office Web Component.
Prefix | c
Friendly Name | Office Web Component: Spreadsheet

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