.TNO File

The tno file extension is mainly related to Handheld Operating System used in TI-Nspire devices from Texas Instruments. Devices for math and scientific operations.

The tno file stores image from Handheld Operating System.

This tno file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

How to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.