Rated 3 out of 5 stars

Hi. This add-on is useful. It is necessary to convert it for character-codes other than ASCII.
It is an example for Japanese Shift_JIS.
----before
file.name = tnef_file_munge_fname( attrs[i].values[0], files );
----after
var UConv = Components.classes['@mozilla.org/intl/scriptableunicodeconverter'].getService(Components.interfaces.nsIScriptableUnicodeConverter);
UConv.charset = "Shift_JIS";
file.name = UConv.ConvertToUnicode(tnef_file_munge_fname( attrs[i].values[0], files ));

This review is for a previous version of the add-on (1.2.8).