Note XML features, except for saving files in the XML Spreadsheet format, are available only in Microsoft Office Professional Edition 2003 and Microsoft Office Excel 2003.
The Open XML dialog box appears.
The contents of the file are imported into the XML list. If the XML data file does not refer to a schema, then Microsoft Excel will infer the schema of the XML data file.
If you are opening an XML data file that does not refer to a schema, then Excel will infer the schema of the XML data file.