Convert DAT to SVG

dat to svg conversion most likely describes export of embroidery designs to SVG graphics. Embroidery designs for Barudan stitching machines (.dat) can be not only converted to other vendor specific embroidery formats, but also to a vector graphics, such as SVG format.  Both import and export of SVG format is actually common function in various embroidery software, so you just need to use one that supports Barudan formats.