TNS File - opening and understanding

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

What is a TNS file?

A .TNS file is a TI-Nspire document file. Through our analysis of TNS files, we know that one use of the format is TI-Nspire document. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open TNS 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 TNS for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different TNS openers which you will find listed below.

Suggest another file format using extension TNS

While we know of one file format using the .TNS file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .TNS file.

Various viewers for this file format

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

TI-Nspire CAS Student SoftwareTI-Nspire CAS Student SoftwareUser submitted
TI-Nspire Student SoftwareTI-Nspire Student SoftwareUser submitted
TI-Nspire CAS Teacher SoftwareTI-Nspire CAS Teacher SoftwareUser submitted
FX AccuChartsFX AccuChartsUser submitted
TI-NspireTI-NspireUser submitted
TI-Nspire CASTI-Nspire CASUser submitted
TeleTrader ProfessionalTeleTrader ProfessionalUser submitted
Tonus ApplicationTonus ApplicationUser submitted
TI-Nspire CAS Teacher EditionTI-Nspire CAS Teacher EditionUser submitted
TiLP2TiLP2User submitted
We have not verified any software that we know for certain will work with TNS-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with TNS-files. If you know one, please use the 'Suggest a program' link below and tell us about it!