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An NK2 file does not contain your Outlook contacts folder. Instead, it is the separate AutoComplete cache that permits the name suggestion drop-down menu to work while you send emails. Internally, it is a simple proprietary database that contains the header block stating the number of records and the format version, followed by different individual records, with one record storing one recipient.
Each record is made up of a relevant display name, email address, and frequency of use data, separate from other records. Corruption usually harms the header, which tells Outlook how many records are in the file and what their starting points are, while all other records may remain intact.
As each record stands on its own, SysInfo Outlook Cached Contact Recovery Software can easily work on the file and restore all records without much help from the (probably damaged) header. That is why even an NK2 file that cannot be imported by the Outlook program can be scanned to get the complete list of contacts and restore the data within accurately.
Explore the components that you can restore from your Outlook cache contacts.
SMTP Email ID (To, CC, and Bcc)
Contact Names on Your Device
Hidden Internal IDs (LegDN Attributes)
Scenarios Where the Outlook NK2 Files Repair Tool is Ideal For Use.
It is a difficult task to view and access cached Outlook Contacts without Outlook. So, in such a situation you will need this software that not only views all the cached contacts of Outlook but also saves them to CSV and VCF file formats.
When a user needs to import the NK2 file contacts to a mobile phone then it is not possible until the NK2 file is converted to CSV. So, you will need this software to save all Outlook Cached contacts to CSV and then import them easily to your mobile phones.
Sometimes, the Outlook Cached Contact NK2 files get corrupted and you can’t access the contacts in it. Therefore, you will need the Outlook Cached Contact Recovery Tool that recovers all contacts and save them in CSV or VCF file format.
Most Recommended Tool to Repair Outlook Cached Contact Files For Every User.
Repairs Corrupt Cached Contact File
The NK2 File Recovery Software fixes all NK2 file corruption levels ranging from moderate to severe, providing access to NK2 cached MS Outlook contacts.
Safe Cached Contacts Recovery
The recovery process is secure, as it recovers in a very safe mode, ensuring overall data integrity without damaging the original files of Outlook NK2 cached contacts.
Saves Recovered Contacts in VCF Format
This tool saves the recovered data in VCF file format as per user requirements to save single contacts of the NK2 file in a single VCF file.
Option to Save Corrupt NK2 Contacts to CSV
This tool saves the recovered data in CSV file format based on the user requirements to save single contacts of cached contact files in a single CSV file.
Intuitive Tool & Saves Log File
This Cache Contact Repair Software is user-friendly and doesn’t require any technical knowledge to use. It has the option to create a log file of the NK2 recovery process that is a record of all the information in text format. It can be saved at a user-defined location on your system.
High Compatibility and Support
Outlook Cached Contact Recovery Tool offers wide support for Windows 98, NT, Server 2000, Server 2003, Server 2008, XP, Vista, Windows 7, Windows 8, Windows 10, and Windows 11. Also supports all MS Outlook versions, including 97, 2000, 2002, 2003, 2007, 2010, and 2013
Go through the specifications of this SysInfo Outlook Cache Contacts File Recovery Tool Free so you can install it quickly.
| Version: | v23.0 |
| Size: | 1.96 MB |
| License: | Multiple User |
| Release Date: | 14 August 2026 |
| Windows Processor: | Intel® Core™2 Duo E4600 Processor 2.40GHz |
| RAM: | 4 GB (8 GB Recommended) |
| Disk Space: | Minimum Disk Space - 1 GB |
| Supported Windows: | 11, 10, 8.1, 8, 7, 2008, 2012 (32 & 64-bit), and other Windows versions. |
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SysInfo's Award-Winning Software, Highly Rated by Experts in the Best Category
The NK2 file recovery software is the best tool to recover the maximum possible data from the cached contacts files and restore all of them in CSV and VCF file formats. View more
This is the best Outlook Cached Contact Recovery Tool because it has a user-friendly interface and it recovers contacts from corrupt and inaccessible Outlook Cached contact NK2 files. View more
Check out the common user concerns and their answers related to this software.
Ans: You can find your Outlook NK2 file in this location: C:\Documents and Settings\user\Application Data\Microsoft Outlook.
Ans: MS Outlook Recent Contact List limits storing 1000 contact details in its cache. It is structured in such a way that when you add a new contact, it will replace the first contact added in the list. So SysInfo Outlook Cached Contacts Repair is able to access the same volume of contact details from the NK2 file for recovery.
Ans: If you face any concerns while working on the software or have any other queries, please contact our Tech Support Team 24*7.
Ans: You can add multiple NK2 cache contact files at once in this software for recovery. It imposes no size restrictions and allows easy saving in VCF and CSV formats of the same.
Ans: Profile re-creation, improper shutdown of the system or application, updates and reinstallation in Outlook, corrupt files, and third-party add-ons or cleaners are the most common reasons affecting the Outlook cache contact files that need recovery.
Verified Customer Reviews for SysInfo Outlook NK2 File Recovery Tool
