docx files download as zip files and won't open on computer which previously had expired copy of winzip

I have a series of .docx documents loaded on a website which open without incident on other computers. But on one particular computer, there was an expired copy of WinZip installed. It tried to be the application which would open the documents, which was not successful.

I uninstalled winzip, but on this computer only, it continues to insist on download the documents as a zipfile, which then extracts into 4 folders and 14 .xml files (it's a document with complicated styles.) Word 07 will open the document by clicking on the zipfile, but it has to be resaved as a docx, it still registers as a zipfile after opening it.

Is there a way to restore the ability to click and open .docx files from the website without having to download as a zipfile first?
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Forrest BurrisCommented:
Open up Windows Explorer, Click on Tools -> Folder Options -> File Types -> Find .docx -> Change the Open With statement to reflect Microsoft Word and not Winzip
erinchAuthor Commented:
I'm afraid that is how they are set to open, iwth Word 2007. This is related, somehow, to winzip borking on the extraction. It was working previously on this computer.
Forrest BurrisCommented:
I assume you have uninstalled WinZip completely? If .docx is showing that it loads from Word 2007, then it should even load .docx attachments in Word instead of WinZip. You are absolutely sure that the website link is to a .docx file? I hate to ask the obvious but sometimes people don't realize that the file is in fact a .zip file they're downloading? Oops I just read that you're a Guru on the subject, I mean no disrespect.
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I have the same problem, the docx document has been saved to a sharepoint server, when I attempt to download it, it downloads the file as a winzip file.
I just tried the trick of renaming the file which worked, however I would like a permanent solution.
What is strange that other computers are opening the file properly, but really, normally it's the problem on the server side IIS webserver. A webserver administrator has to register new MIME file types introduced by Office 2007 in the server, so that it can serve them properly.

Normally, if the web server is Microsoft IIS, it's done by launching IIS Manager on the webserver, right clicking on the server name, "Computer MIME Map" or "MIME Maps" button, and adding a .docx as application/msword, .xlsx as application/ and so on. IISReset, that is, restarting IIS, is also needed.

If you want that for apache webserver, then there's alink

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That would seem to indicate that the situation would be the same for all users, however I have seen the file being downloaded from the same sharepoint site to a different machine which opened the file with not problems.
erinchAuthor Commented:
thanks; I'll work with my webhost. (sorry for delay--I missed this posting!)
Problem with IE listening to the webserver on what to open the file with.

If you change these reg keys it will ignore the webserver and just use what it normaly would use.
Note: The fix may cause problems with other file types on the internet please test and backup your registry before updating.

Full artical found here:

If you put the below in a *.reg file and run it, it will be fix it:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MIME_HANDLING]

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MIME_SNIFFING]
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