Don't rely on that option. You can easily create your own button in Outlook
which points to any application or file that you want.
See
http://www.howto-outlook.com/howto/customizetoolbar.htm
--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
Outlook FAQ, HowTo, Downloads, Add-Ins and more
http://www.msoutlook.info/
Real World Questions, Real World Answers
-----
"Gordon" <> wrote in message
news:g066b4$1mr$...
> Vista Home Premium SP1, Outlook 2007.
> The Go-News menu function in Outlook 2007 on Vista Home Premium SP1 will
> NOT call any other newsreader other than Windows Mail, even when the other
> news reader is set as default.(Ie it opens when external news links are
> clicked...)
> This is in direct contradiction to Outlook 2007 on XP.
> Does anyone know of a registry hack to allow O2007 to call something other
> than Windows Mail?