Files with ENS extension could also especially in the past be found as spreadsheets from a program called Enable. Might be no longer used.
There are 3 other file types using
the ENS file extension!
.ens - EndNote style data
.ens - REAKTOR ensemble file
.ens - eSignal NewsManager preview file
ENS file extension - Enable spreadsheet file
What is ens file? How to open ens files?
File type specification:
The ENS file extension is associated with the spreadsheet program Enable. An *.ens files contain spreadsheet created and saved by the application. Most likely obsolete.