The designs are set up for a 5" x 7", so the designs can fit on only certain machines. These designs can be embroidered on any machine that has a 5" x 7" hoop or larger. The designs are written in .art, .cnd, .csd, .dst, .exp, .hus, .jef, .ofm, .pcs, .pes, .sew, .vip, .vp3, and .xxx on a CD.