Hello Dennis,
The extension of a GENIO file is .txt. You can import the same from MX menu "File > Input", change the file type to "GENIO Files (*.txt), and hit Open. The models in the input file should be created in MX.
The extension of a GENIO file is .txt. You can import the same from MX menu "File > Input", change the file type to "GENIO Files (*.txt), and hit Open. The models in the input file should be created in MX.