Thermwood / eCabinet Systems

I had another post here, but it has vanished.
I was trying to find out the difference between esa & esj files.
I have an esa file I downloaded from Ecabs that Ecabinets software will not open and the Thermwood machine shows gibberish in the G-code area.

here is a rough example as I can remember it ...

On your office furinture downloads, the ecab program cannot read the file. The Ecab program searches for .esj and the file I have is a .esa (yes, I may have gotten the file types backwards, but the result is the same).

On several of the free downloads, the files will not load once they are ...