Hi Query King,

Now .nk2 file is no more supported from Microsoft Office 2013. Now autocomplete contacts are stored in Stream_Autocomplete_***** .DAT file in C:\Users\%username%\AppData\Local\Microsoft\Outlook\RoamCache.

Copy the Stream_Autocomplete_***** .DAT file and paste it to new machines same folder.

Hi,

Please try the following step to export the outlook contacts.

In the Outlook client, click File.

Open & Export > Import/Export

Choose Export to a file > Next

Choose Comma Separated Values > Next.

Choose the Contacts folder > Next.

Choose a location to save this CSV file > Next > Finish.

Note: Please find attached file with image.