The Properties dialog allows editing the elements in the Output:
1. Xml Output Properties

You can edit the name, namespace prefix and namespace URI for each element and attribute through this interface.
Note:
To map a field to a text string inside an XML element rather than a single attribute, enter "text()" in the Name box.
2. Excel Output Properties
Workseet Properties:
You can edit the worksheet name.

Row Properties:
You can edit the starting row index in Excel spreadsheet.

Cell Properties:
You can edit the starting cell index, data type and formulas.

Formulas use Excel specific syntax, for example CONCATENATE(RC[-1], RC[-2]) will concatenate the previous 2 cells in the same row.