Sorry for my slow reply.
I have converted your spreadsheet to .xls format using LibreOffice. I can open your spreadsheet with Excel 2000 and convert the contents to LaTeX.
Have you tried reinstalling the add-in? Which software environment are you using?
Sorry for my slow reply.
I have converted your spreadsheet to .xls format using LibreOffice. I can open your spreadsheet with Excel 2000 and convert the contents to LaTeX.
Have you tried reinstalling the add-in? Which software environment are you using?