If the professional IT engineers from Think Technologies Group migrated your email to MyThinkCloud.com, then your autocomplete list was copied over; however, there are still some actions required by you. The autocomplete list being migrated over from your old profile to your new one serves as a major convenience, but there is one major drawback. When sending a new email or responding to an old email from an internal user’s email, the autocomplete list will resolve the address incorrectly and return an error response upon sending the message.