I am trying to export a list view webpart as a .dwp file so I can have a look at the XML. However, the export option is missing. My initial thought was to try something like the following link:
However, even the Export Mode option under Advanced appears to be missing. I can do an export of, for example, a content editor web part without issue.
Edit - I just read the comments on that page I linked to. They indicate a list view web part cannot be exported. Seems a bit odd since I don't remember seeing this issue on SP 2007.