.NK2 File Extension

Outlook 2002 Nickname File

Developer	Microsoft
Popularity	3.3 \| 3 Votes

What is an NK2 file?

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.

Programs that open or reference NK2 files

Windows

Microsoft Outlook 365

Free

Verified by FileInfo.com

The FileInfo.com team has independently researched the Outlook 2002 Nickname file format and Windows apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

If you would like to suggest any additions or updates to this page, please let us know.