STI File - opening and understanding

Did your computer fail to open a STI file? We explain what they are used for and recommend software that we know can open or otherwise handle your .STI files.

What is a STI file?

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

While we do not yet describe the STI 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 STI 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!

How to open STI files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension STI for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 30 different STI openers which you will find listed below.

Various viewers for this file format

These apps are known to open certain types of STI files. Remember, different programs may use STI files for different purposes, so you may need to try out a few of them to be able to open your specific file. ImpressUser submitted BaseUser submitted
LibreOfficeLibreOfficeUser submitted
LibreOffice ImpressLibreOffice ImpressUser submitted
The Print ShopThe Print ShopUser submitted
PrintMasterPrintMasterUser submitted
StarOffice ImpressStarOffice ImpressUser submitted
StarOfficeStarOfficeUser submitted
StickiesStickiesUser submitted
MAGIX Photo ManagerMAGIX Photo ManagerUser submitted
OOo4Kids ImpressOOo4Kids ImpressUser submitted
OOo4KidsOOo4KidsUser submitted
Complete OFFICE LighthouseComplete OFFICE LighthouseUser submitted
Microsoft PowerPointMicrosoft PowerPointUser submitted
Oracle Open Office ImpressOracle Open Office ImpressUser submitted ImpressUser submitted
PhotoStudio DarkroomPhotoStudio DarkroomUser submitted ImpressUser submitted
ScrapbooksScrapbooksUser submitted
Complete OFFICEComplete OFFICEUser submitted
Complete OFFICE ImpressComplete OFFICE ImpressUser submitted
BrOffice.orgBrOffice.orgUser submitted
OpenOffice.ux.plOpenOffice.ux.plUser submitted
CyberLink PhotoDirectorCyberLink PhotoDirectorUser submitted
SIMATIC NET Symbol File ConfiguratorSIMATIC NET Symbol File ConfiguratorUser submitted
ImpressImpressUser submitted
PresentationPresentationUser submitted
OpenOffice PowerPointOpenOffice PowerPointUser submitted
White Label Office ImpressWhite Label Office ImpressUser 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 yet verified any programs for Mac that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!
We have not yet verified any web services that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!