.TNS File Extension

Texas Instruments
File Type:
TI-Nspire Document

Having trouble opening .tns extension? Don't panic! This page explains what tns files are as well as suggests programs you may use to open tns files. You can download these programs through this page.

What is a TNS file?

Tns file extension has TI-Nspire Document file type, developed by Texas Instruments, which is associated with the "developer files" category.

To learn how you can open the given file, read the information below.

tns file icon
Texas Instruments
File Type:
TI-Nspire Document
Developer Files

How to open TNS file?

Double click the tns file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .tns extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the tns extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the tns file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open TNS files

  • Windows Windows
    • Texas Instruments TI-Nspire Software Texas Instruments TI-Nspire Software
  • MacOS MacOS
    • Texas Instruments TI-Nspire Software Texas Instruments TI-Nspire Software

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the tns file as well. Download Universal File Viewer for your OS.

Download for Win
Secure download
Download for Mac
Secure download