How to open .TET file extension?

If you cannot open a new file that has been saved in the .TET format you need to download the appropriate software. The manufacturer of .TET files is Lightbox Education; .TET files belong to the Data Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .TET files. Activities performed in the order described should solve the problems with all the files in the .TET format.

• What is .TET file?
• How to open .TET file?
• What is .TET file?