Files with tno file extension might be found as images in Handheld Operating System from Texas Instruments.
TNO file extension - Handheld Operating System image
What is tno file? How to open tno files?
File type specification:
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.