Notepad++ Is a useful notepad tool for coding and editing most common types of document. Its like a highly upgraded version of the notepad that comes with windows. It displays text nicely and it always comes in useful. Its also very lightweight so you dont have to worry about it taking up a huge chunk of disk space.
As you can see notepad++ comes up in the right click menu making it quick and easy to edit documents.
Also the text is formatted in a much better way then the original notepad for windows.