NK

NK2Edit

NK2Edit is a tool developed by Nir Sofer that allows users to modify and edit the AutoComplete files (.NK2) used by Microsoft Outlook. It supports adding, deleting, modifying, and repairing entries in NK2 files, as well as importing, exporting, backing up, and restoring NK2 data. Compatible with Outlook 2003 through 2016, both 32-bit and 64-bit versions.
Latest: 3.46
Last checked: Apr 2, 2026 4:30pm
Rank: 3145/15140
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Overview

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License: Freeware for personal use; commercial licenses availableInstaller: portableWinget: Available

Version & Lifecycle

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Current: 3.46

Top Contributors

Top sitewide contributors:

  1. Anbarasan
  2. nico_k
  3. Bob
  4. Vigneshwaran

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Release Notes & Updates

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nk2edit

Packaging Notes

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Portable application, no installation required

Notes

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Requires choosing 32-bit or 64-bit version depending on Outlook installation. Free for personal and charity use; commercial licenses available for business use.