Windows Registry Editor Version 5.00

; Open NFO files with notepad
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.nfo]

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.nfo\OpenWithList]
"a"="NOTEPAD.EXE"
"MRUList"="a"

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.nfo\OpenWithProgids]
"MSInfoFile"=hex(0):

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.nfo\UserChoice]
"Progid"="Applications\\notepad.exe"