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I want set Notepad++ as the default editor. I tried to set it by right-clicking on a file, then Open With. But I did not see Notepad++ in the resulting list (even after clicking on Choose Other Programs).

When I try to redirect to Notepad++ through the Browse option to notepad++.exe file it is doing nothing. (Its not recognizing somehow)

enter image description here

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3 Answers

up vote 31 down vote accepted
  1. Start Notepad++ with elevated privileges.

    enter image description here

  2. In Notepad++, go to Settings, Preferences...

  3. Go to the File Association tab.

  4. Select fortran,TeX,SQL and then .sql and add it to the registered extensions:

    enter image description here

  5. Click Close.

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This answer is especially helpful for Windows 7. –  A. R. Diederich Mar 27 '13 at 3:16
The key here is that Notepad++ must be run as administrator (elevated privileges), otherwise the file association's will not "stick". –  Metro Smurf Jan 26 at 16:16
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Start notepad++ as administrator, by right-clicking it's icon and selecting the relevant action:

enter image description here

In Settings > Preferences..., you can associate the extensions you want with Notepad++, using this dialog:

notepad++ association dialog

In this case, clicking on the red-outlined arrow would assicoate all .txt with Notepad++.

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Don't you have to start notepad++ as administrator? –  Nifle Sep 14 '12 at 11:35
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As an alternative, you can also replace notepad.exe with notepad++.exe (or notepad2.exe or another editor).

Take a look at this gist to get an idea on how to do it: https://gist.github.com/amarraja/3938304

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This works too: binaryfortress.com/NotepadReplacer/Download –  Doug Apr 28 at 2:09
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