This is the gold standard. If you have access to the original Wilcom software:
A , on the other hand, is a "production file" originally designed for Tajima machines. It tells the machine exactly where to put the needle but strips away most of the color data and editing flexibility to keep the file size small and universally readable. Top Tools for Converting EMB to DST emb to dst file converter
Convert a copy to DST. Never convert and delete the original. This is the gold standard