When converting a project of "RI78V4 V1.xx.xx" or "RI850V4 V1.xx.xx" to a project of "RI78V4 V2.xx.xx" or "RI850V4 V2.xx.xx", you convert using "the project diversion function". In other words, you make a project of "RI78V4 V1.xx.xx" or "RI850V4 V1.xx.xx" the diversion subject , choose "RI78V4 V2.xx.xx" or "RI850V4 V2.xx.xx" as the kind of made projects and make a project. In detail, please refer to the manual "CS+ Project Operation".