In addition to above.
..If you have access to a vista system you can port vista Winmail over to Windows 7.
This is what I did for wife's system (she hates change). This is not a SIMPLE copy and past as the folder/file is admin protected and you have to remove.
.. Then there is Office Outlook (NOT outlook express) which is what I went with. But this is not a freebee. Mine was included with uSoft Office (not included in lower end office such as student)