-O dtxxmlconv option

The overwrite (-O) option of the dtxxmlconv utility command is used to indicate that if a file with the same name as the file specified with the backup file (-B) option exists, then that file is overwritten. If this option is not specified and a file with the same name as the file specified with the backup file (-B) option does exist, The specified backup file already exists and the overwrite option is not set. error message displays on the console.