Sarasoft Desktop Explorer is a free utility from 
Sarasoft http://www.sarasoft.com 
The utility is fairly easy to use. It allows the user to view 
more than 45 file types with built-in unzip to allow viewing 
the contents of zip archives from within the utility.
Zoom, pan, magnify, and rotate graphic files.
View Word, and Excel document in three different styles.
Navigate the Internet and view HTML from within the utility.
Listen to WAV, and MIDI files. View AVI files.
Integrates with Windows and Shell Extension programs like 
WinZip, and WinAMP. 
Drag and drop support as well as shell context menu.
Automatic unzip to view Zip archives.

Best of all, it is FREE.
