Files with gdo suffix can be mostly found as specialized CC430 Gerber data files used by CC430 MCU platform.
GDO file extension - CC430 Gerber file
What is gdo file? How to open gdo files?
File type specification:
File extension gdo is mainly associated with the CC430 MCU platform developed by Texas Instruments.
A .gdo file stores Gerber data for CC430 MCU. Gerber files generally contain printed circuit board data.