How to open GCO files
Did your computer fail to open a GCO file? We explain what GCO files are and recommend software that we know can open or convert your files.
What is a GCO file?
The GCO file extension indicates to your device which app can open the file. However, different programs may use the GCO file type for different types of data.
We are aware of 1 different use of the GCO extension, which you can read more about below.
Genbox Family History chart options
Through our analysis of GCO files, we know that one use of the format is Genbox Family History chart options. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.
Software that will open, convert or fix GCO files
These apps are known to open certain types of GCO files. Since many different programs may use GCO files for different purposes, you may need to try a few of the apps to open your specific GCO file.