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ArcGlobe document file
File type: GIS, GPS navigation and map file
Files with 3dd extension can be most notably found as special documentsfrom ArcGlobe, part of ArcGIS software.
File type category:
GIS, GPS navigation and map file
Date updated: July 21, 2017
File extension 3dd is mainly associated with ArcGIS, which is a geographic information system developed by ESRI.
A .3dd file represents ArcGlobe document and contains saved GIS data.
Use ArcGIS application to open files with 3dd extension.
If any program can convert .3dd files, it would be ArcGIS.