File Type Outlook 2002 Nickname File IconOutlook 2002 Nickname File
File Format Proprietary (Microsoft)
Usage Open manually; may be referenced by an application
Rank ★ ★ ☆  Average

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.

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

Open With

IconMicrosoft Outlook

Updated 2007