File Juicer
File Juicer for macOS
Overview of Formats

Search & Extract

Images

jpg jpeg 2000 gif png pdf wmf emf tiff eps pict bmp

Video

mov mpeg avi wmv

Sound

mp3 wav System 7 au aiff

Text

ascii rtf html

From:

avi cab cache chm dmg doc emlx exe ithmb m4p mht mp3 pdf pps ppt raw swf wps xls zip and other formats

.diz files

Usually a plain text file which describe the files compressed in a zip files. Origianlly used on bulletin board systems.
You open text files with Text Edit. If you selct the .diz file in Finder and choose "Get Info", you can set Text Edit as the default application for diz files if you would like them to be double clickable.

NFO Viewer is made for displaying DIZ, ASC and NFO files with the help of a special font.