How to open ArcGlobe document format .3dd files
Have you had trouble opening the 3dd file on your computer? What are 3dd files? We explain what they are and recommend software that we know will open them.
What is 3dd file?
Files with 3dd extension can be most notably found as special documentsfrom ArcGlobe, part of ArcGIS software.
ArcGlobe document format description
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.
Suggested software to open 3dd file

ArcGIS
A group of GIS (geographic information system) applications