| Filename extension | .XML (XML Spreadsheet) |
|---|---|
| Internet media type | ? |
| Developed by | Microsoft |
| Type of format | Spreadsheet |
| Extended from | XML, XLS |
SpreadsheetML is the XML schema for Microsoft Office Excel 2003.
The Office 2003 XML Reference Schemas are included in the Microsoft Open Specification Promise, a legal statement concerning unrestricted use of Microsoft intellectual property.[1]