NK2Edit is a free, open-source tool for editing, merging, and cleaning up Outlook NK2 files, which store contacts and email address autocomplete suggestions.
NK2Edit is a free, open-source application designed specifically for working with Outlook NK2 files. An NK2 file contains the contacts, email addresses, and other information that Outlook uses for its autocomplete and address book suggestions when composing new emails.
Over time, Outlook NK2 files can become cluttered with duplicate entries, invalid data, and suggestions you don't want to see anymore. NK2Edit gives you full control over your NK2 files allowing you to:
With a simple table-based layout, NK2Edit makes it easy to see all the stored information at a glance. The sortable tables also make finding and working with specific entries quick and easy. NK2Edit runs on Windows PCs only and requires no installation - it is portable, standalone executable.