downloading file different result between IE11 and Firefox

  1. Posts : 386

    downloading file different result between IE11 and Firefox

    Today I downloaded a file with extension .fdu (satellite sender list). I have not assigned a program to .fdu files.
    Downloading with IE11 results in a HTML file and not an fdu file.
    Downloading with Firefox results in an fdu file.
    I am curious about an explanation, since I never met such a thing before.
      My Computer

  2. dalchina's Avatar
    Posts : 29,843
    Win 10 Pro (1903)

    Perhaps you could share the URL and a couple of screenshots showing how you are using IE?
      My Computers

  3. Posts : 386
    Thread Starter

    It must be a security feature in IE11. However, after putting the security options on a low level, still the file is downloaded as a htm file.
    But, when I change the extension .htm into .fdu, I have precisely the file which was aimed at and which downloaded as .fdu file with Firefox.
    So to be clear: I donot have a problem, I was only surprised.
    If you want to experience this by yourself as a test:
    Go to
    Rebox; Zenderlijst augustus 2016.
    As said, it is a file, to be used in a satellite receiver.
      My Computer

  4. dalchina's Avatar
    Posts : 29,843
    Win 10 Pro (1903)

    I would guess it's defective html script, or an issue with standards compliance.

    Firefox downloads successfully from that link, but IE and Edge display the file (?) well, there's a page of random characters.

    IE Save target offers

    Copy link gives

    Here's the relevant line-

    <a href="" target="_blank">Zenderlijst augustus 2016</a>
    <br />
    Mist u zenders of werken zenders niet meer?
      My Computers


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