Take a look here, it may help:
http://www.howto-outlook.com/Faq/messagestuckinoutbox.htm
>I have tried right clicking and deleting but a large stubborn message just
> won't leave. It has been in the out box for weeks. ANy other thoughts?
lisa - 05 Sep 2007 15:16 GMT
Thanks, Vince! Method 2 did the trick...
> Take a look here, it may help:
> http://www.howto-outlook.com/Faq/messagestuckinoutbox.htm
>
> >I have tried right clicking and deleting but a large stubborn message just
> > won't leave. It has been in the out box for weeks. ANy other thoughts?