Changing .cas.h5 Format from TUI to .cas/.dat Format

How to switch off .cas.h5 format from TUI and write files in .cas/.dat format?

You can use following commands to write files in .cas/.dat format.

/ file cff-files? No
/ file write-case-data

This will make .h5 format off and then it will write files in .cas/.dat format.