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Written By
Lovely Baghel -
Approved By
Sonika Rawat -
Updated on
January 30th, 2026 -
Read Time
5 minutes
MS Outlook preserves a nickname list used by automatic name-checking and the AutoComplete features. It is automatically compiled as user address email messages. The Auto-Complete List is a feature of Outlook that displays suggestions for names and email addresses; as you begin to type them, suggestions match from a list of names and email addresses the user has sent. Now we will learn about the AutoComplete list.
Outlook 2010/2013/2016/2019 running with an Exchange 2010/2013/2016/2019 profile, the nickname list is associated with an Exchange mailbox and stored as a hidden file in your Outlook Data File. It synchronizes with the Exchange server, so cached contacts follow a user no matter where the Outlook profile is configured.
In Outlook 2007, cached entries are stored in a local, profile-specific file with the .nk2 extension. Occasionally you may want to use the existing .nk2 file in the new Outlook 2007 profile. You may need this in the following points:
In general, you need to do the following: find both old and new .nk2 files and rename the new file with the name of the old one. However, if you upgrade from Outlook 2007 to Outlook 2010/2013/2016/2019 on the same computer, the existing nickname list will be auto-populated as long as you use the same Outlook profile.
Now we will see some importing methods to Import Nk2 AutoComplete files from another computer on a different Outlook Version in the next part.
If you want to associate an Outlook 2007 AutoComplete list with an Outlook 2010/2013/2016/2019 profile. Then move AutoComplete cache from Outlook 2007 to Outlook 2010/2013/2016/2019 by following the steps below.
Note:- Don’t use a nickname list created in an Outlook profile for another mailbox or a mailbox on a remote Exchange server (not an Intermediary server).
Know: What is Outlook Cached Exchange Mode?
Also Read: What are the Causes of Outlook Express Corruption?
However, suppose your NK2 file gets corrupted during the copy and import nk2 files into Outlook from one computer to another. In that case, you may try the SysInfo NK2 File Recovery Software, which allows users to fix all NK2 file corruption levels ranging from moderate to severe, providing access to NK2 cached MS Outlook contacts.
Explore More: Import NK2 Contacts into Microsoft Outlook
Through this blog, we discussed every possible solution to import nk2 file from one computer to another. Try suitable methods to get rid of this problem. We hope now that the user will be able to Import an auto-complete list to another computer.
About The Author:
Lovely specializes in technical writing for SysInfoTools Software and has over 2 year of experience writing blogs, and articles about databases & backup, email recovery, email migration & management solutions. Her passion is researching and developing content that helps Office users, professionals, administrators, enterprises, and novices solve multiple problems.
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