Whenever you migrate outlook pst, the autocomplete emails will not come, all that you have to do is the following.
In the old system
1. Open the %LOCALAPPDATA%\Microsoft\Outlook folder.
o Click Start, and then enter %LOCALAPPDATA%\Microsoft\Outlook in the Search program and files or Start Search box. You can also copy and paste the location into Windows Explorer address bar.
2. Copy the RoamCache folder,
In the New System
1. Open the %LOCALAPPDATA%\Microsoft\Outlook folder.
o Click Start, and then enter %LOCALAPPDATA%\Microsoft\Outlook in the Search program and files or Start Search box. You can also copy and paste the location into Windows Explorer address bar.
2. Past this ROAMCAHCE FOLDER
3. Start Outlook.
