Select the word, right click it and select the language.
Another way to do it is to use the dropdown menu on the Spelling button on
the Home tab.
--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
Outlook FAQ, HowTo, Downloads, Add-Ins and more
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"Corren" <(E-Mail Removed)> wrote in message
news

12FAC13-3342-403C-BD5D-(E-Mail Removed)...
> Specifically I need to add Language Selection because I write messages or
> replies in different languages and sometimes even within the same message.
> I
> managed to do it in Word but not in new or Reply To messages.