CMT files contain an e-sword commentary which can be viewed within the free e-Sword bible study program.
To obtain the free e-Sword bible study program, click on the icon below. Once you have downloaded and installed e-Sword, download the CMT file and place it in the same directory where e-Sword was installed and restart e-Sword. The CMT file will now appear in the list of available commentaries.
FREE e-sword Bible Study Software (for Windows)