NK2Edit
Edit AutoComplete files of Microsoft Outlook
...It allows users to modify, remove, or add email addresses stored in the NK2 file, making it easier to manage and repair corrupted or outdated AutoComplete data. The software supports various features such as exporting NK2 data to different formats, sorting records, and even adding records directly from the Outlook address book. NK2Edit is portable and can be run without installation, making it convenient for on-the-go use. It also includes command-line support and advanced editing options, ensuring a high level of flexibility for users.