empty file is corrupted

[whimax]

simple code:
func main() {
wb := xlsx.NewFile()
wb.AddSheet("My New Sheet")
wb.Save("out.xlsx")
}
creates a file that does not open in excel. Excel says the file is corrupted.
Is this a bug or am I doing something wrong?

[tealeg]

@whimax sounds like a bug indeed. If Excel corrects the file for you it can be informative to see a before and after version of the file. I don't actually have access to Excel to check myself.