A geoproj file extension is related to the DataGeosis Office and used for its project files.
GEOPROJ file extension - DataGeosis Office project
What is geoproj file? How to open geoproj files?
File type specification:
The geoproj file extension is associated with the DataGeosis Office, a Brazilian GIS (geographic information system) software for Microsoft Windows operating system.
The geoproj file stores project created with this program.