When you upgrade an earlier version of Office to a 2007 Office system or Office 2010, the old spelling checker files are removed for the following languages:
These files are replaced with newer versions that are included in the 2007 Office system. The new files are incompatible with Outlook Express.
You can resolve this issue by installing Windows Live Mail.
Windows Live Mail is downloadable from
http://download.live.com/wlmailThere are a variety of third-party free spell-checking programs available on the Internet. You can learn about available programs by visiting the Microsoft Communities site. This site lets you obtain advice from other users and from Microsoft Most Valuable Professionals (MVPs). To access the Microsoft Communities site, visit the following Microsoft Web site:
You can also use a search site to find spell-checking programs. For example,
you can search for spell-checking programs at the following Web site: