[Response to private message that may prove useful to other users.]
I have a couple of emails that were generated using MS Outlook which
contain some html entities like smart quotes and the funny "-" character
which just appear as "?" characters in the archive.
MS Outlook has a nasty habit of mislabeling the charset of its
messages with iso-8859-1 instead of MS's extension to it that contain
the characters being used.
Add the following in your resource file to see if it fixes the
Please confirm if the above works.