A friend sends me jpeg files but I see them as that files. I am running Windows XP and she is using Outlook. Things seem to work when she sends the file using Yahoo mail.

TIA,

Carl

See if this helps
Winmail.dat attachments are included in received e-mail messages in Outlook (http://support.microsoft.com/kb/278061/en-us)

Have your friend upload them to ImageShack.us and then email you the URLs