use the import/export feature under Outlook (FILE menu). That will enable you
to import all of your data from one application to the other. You should then
be able to remove/disable Express and not lose anything
You don't convert from one to the other. They both can work. In fact, Outlook
requires Outlook Express to work. You can Import your Mail Settings in OE, as
well as your addresses and messages. Just be sure to leave a copy of messages