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.NK2 File Extension

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File TypeOutlook 2002 Nickname File

DeveloperMicrosoft
Popularity
2.5 (2 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryMisc Files
FormatN/A

Unknown

File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.

Definition

Contains the nickname for an Outlook user that is a associated with a user profile; allows a user to create a nickname and assign the name to an e-mail address.

More Information

Outlook 2002 and later uses NK2 files. Previous versions of Outlook use .NICK files.

Program(s) that open .NK2 files
Microsoft Windows LogoWindows
Microsoft Outlook 2013
Updated 3/13/2008