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Editorial Team
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Asked: 2026-06-09T23:24:24+00:00

How can I configure Notepad++ to open a file in a new window when

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How can I configure Notepad++ to open a file in a new window when I right-click it and select Edit with Notepad++ ? I already know I have to launch the program with the -multiInst switch, I just don’t know how to add that to the registry mapping for the right-click.

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  1. Editorial Team

    If you want to fix the right-click behavior of “Edit with Notepad++”, first go to:

    HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers\Notepad++

    If the default value is:

    {00F3C2EC-A6EE-11DE-A03A-EF8F55D89593}

    then go to: 

    HKEY_CLASSES_ROOT\CLSID\{00F3C2EC-A6EE-11DE-A03A-EF8F55D89593}\Settings

    Among the items should be Custom REG_SZ and nothing after it. Change the value to -nosession -multiInst.

    It should now read Custom REG_SZ -nosession -multiInst. If you already have custom arguments defined, then just add a space and append -nosession -multiInst to the list.

    References

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