See if this helps:

www.oehelp.com/OETips.aspx#10

Also try going to Tools | Options | Read and turn on or off the option to
read messages in plain text only and see if that makes any difference.

If you open the message outside the preview pane does it render correctly?

steve

"big j10" wrote in message
...
My Outlook 'Inbox' doesn't show messages in the preview pane even though
the preview pane is selected in the 'Layout' options. Even a basic plain
text message appears as a .TXT attachment.
I am running Win XP with Outlook express 6 and IE 7.
I have tried all the suggestions on the Microsoft support site i.e.
Deleting temp files and temp internet files, re-initialising OE registry
files etc...

Is it part of some security update?
Can it be undone?

Regards
J