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Outlook SP3 blocks attachments

Outlook 2003/SP3.  User trying to open .xnk file.  Gets message: "Warning this file may contain virus's that could be harmful to your computer. You must save the file to disk before it can be opened. It is important to be VERY certain this file is safe before you open."
Then it gives file name and type and the option to Save to Disk.... or Cancel.
Once I save it to the hard drive it opens with no problems. I added following registry key and user still cannot open attachment without 1st saving it.

[HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Outlook\Security]
"Level1Remove"=".mdb;.xnk"


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wizzywig1970
Asked:
wizzywig1970
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1 Solution
 
CBanmanCommented:
The registry edit you mention only keeps Outlook from removing any "unsafe" attachments from the email.  As far as I know there is no way to force Outlook to directly open these "unsafe" attachments without saving them to your hard drive first.

Sorry Wizzywig1970.
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wizzywig1970Author Commented:
Problem is I can open these attachments on other computers.  
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CBanmanCommented:
Do the other computers that can open it have this registry key? Same version of Outlook fully patched?

Looking at the explanations online for this registry key, putting a file extension in it will cause Outlook to force you to save it first along with the benefit of not being blocked.

If Outlook wasn't originally stripping off the .xnk attachment, remove it from the Level1Remove key, and see what happens.
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wizzywig1970Author Commented:
Without that Registry key I get error "Outlook blocked access to the following potentially unsafe attachments". With the registry key I have access but can only save it to disk.  How can I have Outlook not block the attachment and be able to open attachment without having to save it to disk 1st?
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CBanmanCommented:
What is the difference between the computers that can open the attachment directly and the ones that can't?  I'll assume they all have the registry key done the same so they can at least receive the attachment.

 - different version of Outlook
 - different patch level
 - different version of Windows
 - different version of application that opens .xnk file
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wizzywig1970Author Commented:
I stated something incorrectly.  I can open the attachments on some computers by saving it to disk 1st and other computers I cannot open attachment unless I add the registry key HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Outlook\Security]
"Level1Remove"=".mdb;.xnk

I have not been able to open the attachment directly on any computer(outlook2003/sp3) without first having to save it to disk.  

Any way to do this in Outlook 2003?
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CBanmanCommented:
I'm still not quite understanding.

Everyone receives the file, but some have to have the registry edit to receive it.

Everyone has to save the file in order to open it.


The registry edit should have no affect on the file once you have saved it to disk.  The only thing this does is to allow you to receive the attachment in Outlook without having it removed as an unsafe attachment.


You won't be able to open this file directly from Outlook.  This may have been possible in Outlook 2000 before the Office sp2, but not anymore.
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wizzywig1970Author Commented:
I spoke to our email area and they confirmed users wil have to save the file to disk 1st.  Without the level1 registry entry that type of file would be blocked all together, but with the level1 entry they can at least open it but they have to save to disk 1st.
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