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Editorial Team
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Asked: 2026-05-14T14:18:37+00:00

I have a asp.net web application that runs locally and opens docx files in

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I have a asp.net web application that runs locally and opens docx files in IE8. However, after deploying to our production server (Win2003), I get a 403 error. The same code works for doc files, just not docx files. So, I’ve narrowed the problem down to the server but do not have good direction.

I read that it might be a MIME type issue, but I’m not exactly sure what to enter into the executable path in IIS 6.0. I do not have any MIME changes locally, but maybe I installed a patch of some sort…

Does anyone have direction or an easier way to do this on the server?

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1 Answer

  1. Editorial Team

    Could be the mime type. Also had problems with it, but fixed it with a download handler i wrote manually in an user control. Was on IIS7 though and i’m not sure if IIS6 supports DOCX. So try adding the MIME type on the server.

    mime type:

    application/vnd.openxmlformats-officedocument.wordprocessingml.document

    And maybe this article helps to

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