OMD files are associated with Routing J Server, a software tool for planing routes. The tool allows users to plot the shortest or the fastest route between two points on a map. Additionally, it offers various output visualization features.

OMD files are used to store various internal data accessed by Routing J Server for its operational processing. Routing J Server was developed by Pitney Bowes Software Inc. OMD files should not be opened or edited manually.