I recently upgraded a user from a standard Pop3 email account to a Microsoft Exchange Office 365 email account. The upgrade went great and all the email was transferred, but the user complained about their auto-complete email contacts were not showing up when they typed a contact’s email address in the “send” field. This user was running Windows 7 and was using Outlook 2010. Here are the steps to retrieve the auto-complete file and use it in the new profile.
Step One: Close Outlook
Step Two: Browse to the RoamCache where the auto-complete file is stored. (location is C:\Users\”user.name”\AppData\Local\Microsoft\Outlook\RoamCache
Step Three: Rename RoamCache to old_RoamCache
Step Four: Open Outlook, and create a new email and put a valid email address in the to. . field. Close the new email ( you don’t need to save ). Close Outlook Continue reading