NFO is a three-letter filename extension for text files that can be opened with Notepad, Wordpad and many other plain-text editors. Below are 4 dedicated applications you can use to open NFO files, most NFO files contain decorative ASCII art.
Fabulous Furlough who were members of the PC organization The Humble Guys, or THG, introduced the format around the year 1989.
DIZzy displays DIZ, NFO and other ASCII-extended text files. Supports drag-and-drop, file associations and command line. Amazingly small, self-contained, flexible and free program.
Displays UNIX, MAC and binary files
Reversed-color mode option.
Download Dizzy Viewers
GetDiz is a freeware text-viewer especially designed to view NFO and Diz files often included inside zip files. Sure, they are simple text files that can be viewed with Notepad, but GetDiz goes that much further.
Download Get Diz
NFOPad is a combined viewer and text editor. It is a clone of Microsoft's Notepad but with extra settings, and support for nfo files. The file extension is used to determine whether to use an ANSI or ASCII font. NFOPad also fully supports Unicode.
DAMN NFO Viewer is a file viewer with full ascii art view featuring shell intergation, Hyperlinks autodetection and most Recently Viewed Files list.
DAMN NFO Viewer