.sdm文件扩展名，.sdm文件如何打开？

.sdm

文件类型1：StarOffice Mail Message

文件说明：

E-mail message created with the StarOffice Mail e-mail client; included with earlier versions of StarOffice; not supported by OpenOffice.org software.

打开.sdm文件

Mac OS

　

Windows

Sun Microsystems StarOffice Mail

　

Linux

Sun Microsystems StarOffice Mail

其它内容

.sdm

文件类型2：Spatial Data Modeling Language File

文件说明：

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.

打开.sdm文件

Mac OS

　

Windows

SPATIALinfo Data Manager

ESRI SDE

MapInfo SpatialWare　

Linux

来源：. sdm文件