Recently after a new server install, I ran into this issue. When installing a new server I took the computers off the old domain and joined them to the new one. During this process I made a new Windows profile. Once joined to the new domain, I logged into the new Windows 7 profile and started setting up Microsoft Outlook 2010 . I got the email account set up just fine however, the autocomplete was missing. Here is how I rescued my autocomplete file. These users were running Windows 7 and Microsoft Outlook 2010.
Please follow the steps carefully, I tried to explain this tedious task the best I could 🙂 .
Step One: Browse to your old Windows’ profile autocomplete guid: C:\Users\<oldusername>\appdata\Local\Microsoft\Outlook\RoamCache
In Outlook 2010 and newer your autocomplete file is stored as a Dat File. The file will begin with Stream_Autocomplete_ and then the guid number/letter combo .
Step Two: Browse to your new Windows’ profile autocomplete guid: C:\Users\<newusername>\appdata\Local\Microsoft\Outlook\RoamCache Continue reading