How to change in WinExplorer the default icon for all *.dat files?

Discussion in 'Windows 7 Help and Support' started by pstein, Sep 2, 2013.

  1. pstein

    pstein Honorable Member

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    I want to change the default icon in Windows Explorer for all files with the extension *.dat.

    How can I do this?

    Related question:
    Is it required to have a new icon with a certain size at hand?

    Assume I have an icon file "newicon.ico" with a dimension 256x256 available and assign this somehow to the *.dat extension files. Does Windows 7 automatically resize this original icon to the smaller size?

    Or do I have to supply a different size (which ?) icon because there is no auto-resizing?

    Peter
     
  2. Mike

    Mike Windows Forum Admin
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