How to open CGO files

Did your computer fail to open a CGO file? We explain what CGO files are and recommend software that we know can open or convert your CGO files.

What is a CGO file?

The CGO file extension indicates to your device which app can open the file. However, different programs may use the CGO file type for different types of data.

While we do not yet describe the CGO file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.

We are continually working on adding more file type descriptions to the site, so if you have information about CGO files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!

Generic CGO

These apps are known to open certain types of CGO files. Since many different programs may use CGO files for different purposes, you may need to try a few of the apps to open your specific CGO file.

AGTEK Earthwork 4DAGTEK Earthwork 4DUser submitted
AGTEK SiteWorkAGTEK SiteWorkUser submitted
AGTEK Highway 3DAGTEK Highway 3DUser submitted
SiteWork 3DSiteWork 3DUser submitted
SiteWork ApplicationSiteWork ApplicationUser submitted

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

We have not verified any programs that we know for certain can work with CGO-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with CGO-files. If you know one, please use the Suggest link below and tell us about it!