email auto complete list

place the attached file in the following locations:

c:\users\userprofile\appdata\roaming\microsoft\outlook


C:\Users\ryanm\AppData\Local\Microsoft\Outlook\RoamCache



NOTE*** you may need to clear the "auto complete list" in the users outlook mail options if the file doesnt work the first time you place it in the two folders mentioned above.***



ADDED: Also check these references
http://www.addictivetips.com/microsoft-office/nk2edit-edit-outlook-autocomplete-address-cache-file/
http://social.technet.microsoft.com/Forums/en-US/exchangesvrclients/thread/69d72432-4726-4e40-a71b-048033ee33a0
http://support.microsoft.com/kb/2682333