Outlook 2003 + Vista - Outlook 2007 Trial = DLL Hell

Installing Outlook 2003 on Windows Vista doesn't work if you have installed the Outlook 2007 trial, but here is a blog post with a fix that worked for me:

http://retrowebdev.blogspot.com/2007/06/windows-vista-and-outlook-2003.html

In case that blog ever goes away, here is the fix:

• Locate the file MSMAPI32.DLL in Program Files\Common Files\System\MSMAPI\1033
• Rename the file to something like MSMAPI32.XXX or MSMAPI32.OLD