I was having "data file could not be read" problems all of a sudden when I started Outlook 2007 (started today). Running scanpst found errors are made fixes, but did not solve the problem. Doing a search revealed that some people had good luck removing or disabling add-ins which were not...
add-ins
adobe plugin
change notifier
data files
disable add-ins
error
messaging
mobile service
officegroove
onenote
outlook
performance
troubleshooting
user experience
windows search
