Export Microsoft Outlook 2007 AutoComplete

If you’ve just migrated from a computer to another or you plan to reinstall your operating system, there are a few files you should save and take with you on the new computer/operating system. This applies even for such a case when you want to reinstall Windows and you should backup some stuff before actually doing it, which also implies an Export of Microsoft Outlook 2007 AutoComplete files.

This is one of those things you might need and it will help you continue with your work from where you left, so you won’t have to type each name once again.

What do I mean ?

When you compose a message in Outlook 2007, sooner or later you will have to point the email to someone by typing something inside the TO field. By the time you wrote 2-3 letters you should already see the suggestions from the previously typed email addresses or contacts.

This information, the AutoComplete “history” is stored inside a file with .nk2extension and this is also the file you will have to copy, with the purpose of backing it up so you can use it on your new computer or operating system.As you may have already imagined, the location of this file is different from operating system to another. With this being said I would invite you to pick your current or future such OS and find this file, so you can copy and move it to where you need it.Windows XP – C:\Documents and Settings\user_name\Application Data\Microsoft\Outlook
Windows 7 and Windows Vista – c:\users\user_name\AppData\Roaming\Microsoft\Outlook

If you want to copy the AutoComplete of another user, for example if you are a system administrator or a helpdesk and you were asked to do this, you would happily /sarcasm off search for this file in one of the above locations, with the note that you would have to pick the correct user_name from the possible multiple ones in the same location, C:\users or C:\documents and settings .

Note that for me the default profile I used was “Outlook” that’s why I had also an “Outlook.nk2” file in the presented locations. In your case it all depends on the name you picked for the mail profile. What I actually mean is that you will have to copy the same .nk2 file that matches the name you filled in when you added a new mail profile in your Start – control panel – mail – general. For example you probably installed Outlook (from Office suite or custom package) then you also filled in a profile name in “control panel – mail” along with the email address and password, for the sake of this example let’s name this profile John Doe. As soon as you will start Outlook and you will use some email addresses they will be saved to a file named “John Doe.nk2”. This is the file that you have to copy to the same location on the computer you want to have the autocomplete on. Keep in mind that if you used a different profile name on the other computer than the name on this one, you should rename the .nk2 file to the new profile name so it matches the profile on the current computer.

You will have to be able to see hidden files to do this.

How do you enable the display of the hidden files (if not already enabled)?

Windows XP:

Show hidden files and folders
My Computer – Tools – Folder Options – View – Check “Show hidden files and folders”.

Show hidden files and folders

Before saying you are done, you should also uncheck the “Hide extensions for known file types”, else this will cause for the file to have just the name displayed, so you would have in that location a file (or more with same name, but different extension which you can’t see unless you uncheck this setting) called Outlook with no extension. Uncheck it and you will see it as Outlook.nk2 or another name with the extension of .nk2 .

To Do:

Show hidden files and folders – CHECK

Hide extensions for known file types – UNCHECK

Windows 7:

For this operating system it is the same as for Windows XP with the sole difference that the View window is a bit different, but you have the same settings to check/uncheck:

Show hidden files folders and drives
To Do:

Show hidden files, folders, and drives – CHECK

Hide extensions for known file types – UNCHECK

Hide protected operating system files – UNCHECK

The last one is for future operations, it will help you if you are trying to learn more about your computer, while you do a bit of scouting before changing anything you don’t know.

I hope this helped you and I’m waiting for your questions if you have any.


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  1. Mike Adams
    • bitpsychobyte

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