Barracuda Spam Firewall 300

I have a Barracude Spam Firewall 300, and its currently blocking Office 2007 file extensions; pptx, xlsx, docx.  I've looked under the Attachment Filtering and it asks for file extensions that I want to block.  The above extensions are not in this list.  Any ideas?
STARS1Asked:
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iammrherbConnect With a Mentor Commented:
In the attachment filtering add remove the zip filter and add .zip

Office 2007's new files formats are recognized as zip or archive files so they get flagged as a zip file.

When you add .zip this will specifically tell it to look for files with that specific extension.
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STARS1Author Commented:
Thanks for the solution, sorry for the delay in closing this.
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