How to import .NK2 file into Outlook 2010

1. check that the .nk2 file is in the following folder:
   %appdata%\Microsoft\Outlook
   Note The .nk2 file must have the same name as your current Outlook 2010 profile
2. Click Start, and then click Run.
3. In the Open box, type outlook.exe /importnk2, and then click OK. This should import the .nk2 file into the Outlook 2010 profile. [you can use command prompt]
   
   after you import the .NK2 file it gonna be merged into your existing name's cache