Nickfile

A Nickfile (NK2) is used by Microsoft Outlook to store e-mail aliases.

File identification
Files begin with hex bytes.

Software

 * libnk2 - library to access the Microsoft Outlook Nickfile (NK2) format.
 * NK2Edit - Window tool to edit AutoComplete files of Microsoft Outlook.
 * TestDisk tool to recover/undelete Outlook files.

Links

 * Format specification (libnk2 project)
 * MAPI definitions (libpst project)
 * Forensic Wiki page