Excel html table hack I’ve used the classic web hack where you send an html file with excel mime type (and file ending) containing a table. I’ve had trouble with excel being more particular about allowing this hack nowadays. Another problematic aspect is if a user sends you such a file without re-saving it. Since we have open xml based formats for spreadsheets, there is no need for this hack. CSV I’ve used diffent csv-like formats. These have the con of being dependant on the language settings (one part[...]