Rajat Aneja wrote:

Thanks for the important input, it worked very well, I copied the
file onto the new machine and it worked. Thanks a lot. just one thing
the file name is not mailprofile.nk2 but outlook.nk2 and has to be
pasted in AppData\Roaming\Microsoft\Outlook folder.

That's because your mail profile's name is "Outlook". The NK2 file is named
to match your mail profile's name. That's why I wrote "mailprofile" - so
you'd get the idea that the file's name matches your mail profile's name.
--
Brian Tillman [MVP-Outlook]