Can anyone explain to me how to establish a live DDE connection betwee MT4 and microsoft excel.

I would like to be able to pull live prices information from MT4 directly into excel.

The syntax for doing this with intellicharts for instance looks like this:

=fxtrek|Bid!EURUSD

It was really quite simple. I am hoping I can do the same with MT4. Help anyone?

Thanks in advance.