Files in the project can be added as follows.
Drag & drop files to the COBOL resource project from the registered file in the "Dependency" view.
Files outside the project, can be added in one of the following ways.
Add the existing COBOL resource into a COBOL resource project by using the File system option for the import function. For details, refer to the file system of the Import Wizard.
Drag & drop files to the COBOL resource project from Windows Explorer.