.MSD File Extension

There is only one file type that uses the .MSD extension:

Map Service Definition File

Map Service Definition File

Published map file created by ArcGIS Desktop, a software suite used to create maps and process geospatial data; contains a map that has been published from an .MXD map document; created for ArcGIS Server, which hosts the map for real-time viewing over a network.

Software's name License Platforms
ESRI ArcGIS for Desktop ESRI ArcGIS for Desktop Commercial Windows
ESRI ArcGIS Server ESRI ArcGIS Server Paid Windows

Updated: January 24, 2011

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