The problem was solved by uninstalling Office 2008 and the earlier version, disabling Mail, reinstalling Office 2008 and enabling Mail.
Thank-you to those who replied. Michael Hawkins. -- The WA Macintosh User Group Mailing List -- Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> Unsubscribe - <mailto:wamug-unsubscr...@wamug.org.au>