Unless I am doing it wrong, unfortunately I couldn't get your suggestions to work, but have just been advised if I click on the arrow next to the options, I can retrieve it from there.
Thanks anyway.
Follow these steps:
> Open your outlook
> Right click the "Subject" field
> Now select columns
> Here you can check the from box.
For further help go to at: http://www.iyogi.net/email-troubleshooting.htm l