MS Excel / VBA help thread

I'm using Visio 2010 to do some early project planning (the brainstorming bit). I want to export the text with associated hierarchy so am using the export function. I select to export to but it is kicking out an XML file. header of the XML file is:

Workbook xmlns:html="http://www.w3.org/TR/REC-html40"
xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet"
xmlns:x="urn:schemas-microsoft-com:office:excel"
xmlns:o="urn:schemas-microsoft-com:office:office"
xmlns="urn:schemas-microsoft-com:office:spreadsheet"
xmlns:bs="http://schemas.microsoft.com/visio/2003/brainstorming">

<ExcelWorkbook xmlns="urn:schemas-microsoft-com:office:excel"/

suggesting it is for Excel. How do I get it into excel?