By default, Notepad will allow you to enter text and not wrap when the screen is full, it will scroll right instead. To make it wordwrap

Hive: HKEY_CURRENT_USER
Key: SOFTWARE\Microsoft\Notepad
Name: fWrap
Type: REG_DWORD
Value: 1 word wrap

XP lets you set wordwrap without having to resort to a registry hack. Within Notepad click Format, Wordwrap.

Related tips:

• Set Explorer to open unknown files with Notepad
• Configure Notepad to automatically insert the date / time
• Make Notepad Wordwrap