The AMD file extension is also used for a special audio format from AMUSIC AdLib Tracker. Looks like older and no longer actively used sound file type.
The AMD file extension used by ABBYY Finereader Pro.
The AMD file extension is also used by ASCET, a set of tools that comprise indispensable key products for the automotive industry. An *.amd file contains XML model description.
The AMD file extension is related to Alphacam, a leading CAD/CAM software solution for the Woodworking industry. Alphacam is used in the manufacture of many types of components, from simple routed parts to complex, 5-axis furniture components. An *.amd file contains 3D and 2D Mill drawings.