These files are in TablEdit format. TablEdit is available for download in both a free version (TEFview), and a commercial version (TablEdit). It is also available in a demo version.
Download TefView (Free)
Download TablEdit
If you decide to purchase the full version of TablEdit, I would appreciate it if you buy from this link to help support UkeFarm. I get a small commission from the publisher of TablEdit.
Purchase TablEdit