How to open STG files

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

What is a STG file?

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

While we do not yet describe the STG 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 STG 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 STG

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

Photo Suite IIPhoto Suite IIUser submitted
The PrintShop Photo ProThe PrintShop Photo ProUser submitted
CodeWarriorCodeWarriorUser submitted
The Print Shop PhotoProThe Print Shop PhotoProUser submitted
Metrowerks CodeWarriorMetrowerks CodeWarriorUser submitted
Multi-EditMulti-EditUser submitted
EditPlusEditPlusUser submitted
Materials StudioMaterials StudioUser submitted
Visual Options AnalyzerVisual Options AnalyzerUser submitted
Statit Custom QCStatit Custom QCUser submitted
GUI_TEST ApplicationGUI_TEST 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 STG-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 STG-files. If you know one, please use the Suggest link below and tell us about it!