Batch PPTX to PPSX Converter

Batch PPTX AND PPSX Converter 是一款功能强大的PPTX到PPSX、PPSX到PPTX批量转换器。支持项目和命令行，并且具有友好的图形界面，所以很容易使用。

Batch PPTX AND PPSX Converter is a powerful PPTX to PPSX, PPSX to PPTX batch converter. Project and command line support, and has a friendly graphical interface, so it is easy to use.