.BOX file extension

This is the basic program to work with .BOX extension

Harmony Assistant

Harmony Assistant MySQL Tools for

Harmony Assistant is an unbeatable software for computer-assisted music composition and editing. Its harmonizing capabilities enable the composer to build quickly and efficiently tunes that include accompaniment, multiple instruments and drum patterns. Its full-page edit and engraver modes will ease editing and page setup of your scores... (more)

The program works with the following extensions: myf, mys, ogg, xmz, mus, box, mu3, mux, myr and msa

.BOX extension is also supported by the following programs:

Melody Assistant

Melody Assistant MySQL Tools for

Dedicated to music writing, printing and rendering.

MediaShout MySQL Tools for

MediaShout is a comprehensive presentation program designed for ministries.
Courier Email

Courier Email Courier Mailbox

Safe, secure and reliable email for Windows - Courier delivers.
Dragon UnPACKer

Dragon UnPACKer Dragon UnPACKer 5 Archive

It is an open source game archive (Quake PAK) unpacking program.
Windows Media Player

Windows Media Player MySQL Tools for

A powerful and convenient media manager from Microsoft.

Calypso Calypso Mailbox