.CHM file extension

This is the basic program to work with .CHM extension

CS ChemOffice Ultra CS ChemDraw 3.5 Drawing

The program works with the following extensions: chm, c3d, cds, ctr, f1d, f1q, ctp and cdx

.CHM extension is also supported by the following program:

CS ChemDraw Ultra CS ChemDraw 3.5 Drawing