I installed a demo version of a text editor recently (Ultraedit) and it appears to have set itself up as the default viewer for the html source of messages (via right-click -> View Source).

Now that I have uninstalled it, Outlook can't show the source of the messages so I need to associate my usual editor with this process. Does anyone know where this is configured?

  • What version of windows are you running?
    – cmorse
    Jan 3, 2012 at 15:37
  • Windows 7 Ultimate x64.
    – 5arx
    Jan 3, 2012 at 15:43

1 Answer 1


Just edit this registry key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\View Source Editor\Editor Name

  • I don't have that key?
    – 5arx
    Jan 4, 2012 at 14:29
  • Then try to create this key and set the full path to notepad.exe as its default value.
    – thims
    Jan 4, 2012 at 17:29
  • Tried that! Still not working :-(
    – 5arx
    Jan 5, 2012 at 9:22

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