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The Microsoft introduced NK2 files in Outlook 2002 and later versions to provide users with a suggestion of contacts when user type a name of or its initials. This file sometimes called as Nick(.nk2) file extension.
NK2 File Format belongs to a category of Contacts, Email messages, and address category.
All Microsoft 2002 and above versions (that is 2003, 2007, 2010, 2013) support .nk2 file extension
NK2 file format belongs to Email, Names, Address and Contacts type.
Hexadecimal Signature: 0D F0 AD BA 0A 00 00 00
The Location of NK2 File Vary according to different versions of Outlook and Windows
For Outlook 2003 and 2007
For Outlook 2010 and 2013
NK2 files can be opened in two ways
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