It depends on direct access versions of screen data created with a MS DOS Version NT Support Tool. When using the latest direct access version (Direct Access Ver.5 for the Programmable Terminal "NT20S"), the screen data can be read and then modified by executing "File" > "Import of MS DOS Version data" in the Windows Version NT Support Tool.
When an old direct access version is used, the direct access version should be updated by using the DOS Version NT Support Tool.