I found this tool useful when I tried to make sense of the data in a file.
It's an Excel Add-in and it's very useful for experimenting decode operations.
binum11.zip
This is not for file analysis. But it's still very useful for file processing, e.g. printing song list.
It's an add-on for Excel which allows you to generate a multi-column list:
http://www.asap-utilities.com/