How to find the Autocomplete email addresses file in Outlook

1. Make all folders VISIBLE. Go to “Show hidden files” or type it in the Windows search. (see screenshot below)
2. The file you need is in the “RoamCache” folder. Go to: Users >> “<YOUR_USER>” >> AppData >> Local >> Microsoft >> Outlook >> RoamCache
3. On your source PC or laptop (the one you are transferring from), in a address field of awindow, copy/paste (just replace the “YOUR_USER”): C:\Users\<YOUR_USER>\AppData\Local\Microsoft\Outlook\RoamCache
4. Replace “<YOUR_USER>” with your PC user.
5. Copy the file, it is usually the first file in list, “Stream_Autocomplete“: Stream_Autocomplete_0_84XXXXXXXXXX4626.dat
6. Then, on the new PC or laptop, just add this file in the same directory: C:\Users\<YOUR_USER>\AppData\Local\Microsoft\Outlook\RoamCache

How to show all hidden files, folders and drives in Windows: