Having problems printing from Outlook? Try deleting the OutlPrnt file - it's in C:\Documents and Settings\username\Application Data\Microsoft\Outlook in Windows XP. This file holds information about print configurations and customizations.
Update: In Windows 7 and 8, or Vista, outlprnt is at C:\Users\username\AppData\Roaming\Microsoft\Outlook.
You can "jump to" the folder where Outlptnt is by pasting the following line in the address bar of Windows Explorer and pressing enter:
Looking for other support files Outlook uses? See Where are my Outlook Files?
Published Nov 1 2005