What is the correct MIME type for DOCX, XLSX, & PPTX?

Discussion in 'ASP .Net' started by David Thielen, May 26, 2008.

  1. David Thielen, May 26, 2008
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  2. I don't know the answer offhand, but if you have software that you can open
    them with, you can easily find out by looking at the Registry.
    Nathan Sokalski


    "David Thielen" <> wrote in message
    > We need this both for what we set in IIS and for the
    > HttpContext.Reponse.ContentType property.
    > We've tried a bunch of different things and none seem to work.
    > thanks - dave
    > david@
    > Windward Reports -- http://www.WindwardReports.com
    > me -- http://dave.thielen.com
    > Cubicle Wars - http://www.windwardreports.com/film.htm
    Nathan Sokalski, May 26, 2008
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  3. Hi Dave,

    In addition to the list John mentioned, I found the following MSDN
    reference include some content-type info for some other component files in
    OFFICE 2007 OOXML:

    #Introducing the Office (2007) Open XML File Formats


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    Microsoft MSDN Online Support Lead

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    >From: David Thielen <>
    >Subject: What is the correct MIME type for DOCX, XLSX, & PPTX?
    >Date: Mon, 26 May 2008 15:37:55 -0600

    >We need this both for what we set in IIS and for the
    >HttpContext.Reponse.ContentType property.
    >We've tried a bunch of different things and none seem to work.
    >thanks - dave
    >Windward Reports -- http://www.WindwardReports.com
    >me -- http://dave.thielen.com
    >Cubicle Wars - http://www.windwardreports.com/film.htm
    Steven Cheng [MSFT], May 27, 2008
  4. David Thielen, May 27, 2008
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