The best way to do this would be through utilities. The best one which I found out and is free is following –
http://watermark-images.com/convert-word-to-excel.aspx
Another way is to copy Word tables one by one (or in one go if layout permits) into Excel –
http://office.microsoft.com/en-in/excel-help/copy-a-word-table-into-excel-HP010254130.aspx