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.SDM File Extension


File Type 1 Spatial Data Modeling Language File  (Most common)
File Format File
Common? No
File Description Standard format for CAD and GIS (Geographic Information Systems) data; contains a series of coordinates that define a shape or area; SDM map files supports interval, ordinal, and ratio scale maps.
Program(s) that open sdm files Windows: SPATIALinfo Data Manager; ESRI SDE; MapInfo SpatialWare

File Type 2 StarOffice Mail Message
File Format File
Common? No
File Description E-mail message created with the StarOffice Mail e-mail client; included with earlier versions of StarOffice; not supported by OpenOffice.org software.
Program(s) that open sdm files Windows: Sun Microsystems StarOffice Mail
Unix: Sun Microsystems StarOffice Mail

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/sdm