QTI File Type

- The quick facts

What are QTI files and how to open them

Are you having problems opening a QTI file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a QTI file?

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

While we do not yet describe the QTI 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 QTI 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 QTI files

Important: Different programs may use files with the QTI file extension for different purposes, so unless you are sure which format your QTI file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 19 different QTI openers which you will find listed below.

Various apps that use files with this extension

These apps are known to open certain types of QTI files. Remember, different programs may use QTI files for different purposes, so you may need to try out a few of them to be able to open your specific file.

QuickTimeQuickTimeUser submitted
QuickTime AlternativeQuickTime AlternativeUser submitted
Storm CodecStorm CodecUser submitted
QT LiteQT LiteUser submitted
XnViewXnViewUser submitted
Storm Codec UnicodeStorm Codec UnicodeUser submitted
qtiplotqtiplotUser submitted
StormPlayerStormPlayerUser submitted
progeCAD ProfessionalprogeCAD ProfessionalUser submitted
Oxford Advanced Learner's Dictionary - 7th editionOxford Advanced Learner's Dictionary - 7th editionUser submitted
TimetableTimetableUser submitted
Storm Codec UnicodeStorm Codec UnicodeUser submitted
Aplus Video Converter FreeAplus Video Converter FreeUser submitted
Final Codecs New Year EditionFinal Codecs New Year EditionUser submitted
Plato Video Converter ProPlato Video Converter ProUser submitted
Apple Computer, Inc. PictureViewer ApplicationApple Computer, Inc. PictureViewer ApplicationUser submitted
Extra Video Converter ProExtra Video Converter ProUser submitted
HyperCamHyperCamUser submitted
FinalCodecs Spring Festival EditionFinalCodecs Spring Festival EditionUser 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.