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NK2 File

What are NK2 files and how to open them

Are you having problems opening a NK2 file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your NK2 files.

What is a NK2 file?

A .NK2 file is an Outlook Nick file.

NK2 file extension is commonly found in files used to store information and data regarding Microsoft Outlook Autocomplete. It is a database of names, words, and phrases commonly used by the user when typing messages and its content are derived from common usage of Outlook users. NK2 files also initiate a word tracking feature as soon as the user starts typing.

Outlook's auto-complete feature is embodied in the .nk2 file. It is helpful to users as it attempts to display varying suggestions and possibilities in words and names the users are typing.

How to open NK2 files

Important: Different programs may use files with the NK2 file extension for different purposes, so unless you are sure which format your NK2 file is, you may need to try a few different programs.

While we have not verified the app ourselves yet, our users have suggested a single NK2 opener which you will find listed below.

Last updated: March 8, 2012

Various apps that use files with this extension

These apps are known to open certain types of NK2 files. Remember, different programs may use NK2 files for different purposes, so you may need to try out a few of them to be able to open your specific file.

NirSoft NK2EditNirSoft NK2EditUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about NK2 file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.