Have Win XP SP3 and Office 2003 with upgrade to allow it to read or save in Office 2007 format (.xml). Worked fine for awhile and shortcuts to files would open file in correct app, i.e. a word processing file would open in Word, and a spreadsheet would open in Excel, etc.
Then do not recall changing any settings, but double clicking on a file would try to open the .xml file in Internet Explorer instead of in the correct app. Obviously it does not work. What happened? What changed? How do I get it back to working properly?