How to open G12 files

Did your computer fail to open a G12 file? We explain what G12 files are and recommend software that we know can open or convert your G12 files.

What is a G12 file?

The G12 file extension indicates to your device which app can open the file. However, different programs may use the G12 file type for different types of data.

While we do not yet describe the G12 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 G12 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 G12

These apps are known to open certain types of G12 files. Since many different programs may use G12 files for different purposes, you may need to try a few of the apps to open your specific G12 file.

WISO Steuer-SparbuchWISO Steuer-SparbuchUser submitted
Altium DesignerAltium DesignerUser submitted
Altium Designer SummerAltium Designer SummerUser submitted
Altium Designer Summer ViewerAltium Designer Summer ViewerUser submitted
Altium Designer WinterAltium Designer WinterUser submitted
Protel DXPProtel DXPUser submitted
ALTIUMALTIUMUser submitted
Gleim CPA Test Prep WebDeployGleim CPA Test Prep WebDeployUser submitted
AD13AD13User submitted
Gleim CPA Test PrepGleim CPA Test PrepUser 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 G12-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 G12-files. If you know one, please use the Suggest link below and tell us about it!