Home > Outlook 2007 > Cannot Open XNK or Public Folder Links in Outlook – Unblock attachments.

Cannot Open XNK or Public Folder Links in Outlook – Unblock attachments.

By default Public Folder Links are blocked in Outlook.  There may be times when your users need to send a link to a Public Folder thru Outlook.  Not only are the attachments blocked, the Operating System, such as XP or Vista does not have a file association by default for these attachment types.  I have put together a list of registry keys that do two things.
1.) Associate the *.xnk file type to be used with Outlook.
2.) Unblock the *.xnk file type within Outlook, which enables you to send, receive, view and open the attachment.
Here are the registry keys.  Highlight the bold text and save to a file named Outlook-XNK.REG.  Note, I am running Outlook 2007 and Vista 32 bit.  For a complete list of blocked attachments in Microsoft Outlook, click HERE.  How to articles click HERE.
===================================================================
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\.xnk]
@=”xnkfile”
[HKEY_CLASSES_ROOT\.xnk\xnkfile]
[HKEY_CLASSES_ROOT\.xnk\xnkfile\ShellNew]
[HKEY_CLASSES_ROOT\xnkfile]
@=”Exchange Shortcut”
“NeverShowExt”=””
“IsShortcut”=””
[HKEY_CLASSES_ROOT\xnkfile\DefaultIcon]
@=”C:\\Program Files\\Microsoft Office\\OFFICE12\\OUTLOOK.EXE,1″
[HKEY_CLASSES_ROOT\xnkfile\shell]
@=”Open”
[HKEY_CLASSES_ROOT\xnkfile\shell\Open]
 
[HKEY_CLASSES_ROOT\xnkfile\shell\Open\command]
@=”\”C:\\Program Files\\Microsoft Office\\OFFICE12\\OUTLOOK.EXE\” /x \”%1\””
[HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Outlook\Security]
“OutlookSecureTempFolder”=”C:\\Users\\User1\\AppData\\Local\\Microsoft\\Windows\\Temporary Internet Files\\Content.Outlook\\PLSVBBBP\\”
“Level1Remove”=”.xnk”
===================================================================
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Categories: Outlook 2007
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