Microsoft Excel mangles Diacritics in .csv files?

Question

I am programmatically exporting data (using PHP 5.2) into a .csv test file.
Example data: Numéro 1 (note the accented e). The data is utf-8 (

Answer 1

I can only get CSV to parse properly in Excel 2007 as tab-separated little-endian UTF-16 starting with the proper byte order mark.