There is only one file type that uses the .NK2 extension:
Outlook 2002 Nickname File
- Developer Microsoft
-
Popularity
3.5 (4 votes)
- Category Misc Files
- Format N/A
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.
| Software's name | License | Platforms |
|---|---|---|
Microsoft Outlook |
Commercial |   |
Updated: August 29, 2008