Batch PPTX to PPT Converter is a PowerPoint PPT to PPTX, PPTX to PPT batch converter that can convert PPT to PPTX and PPTX to PPT easily. Batch PPTX to PPT Converter supports powerful search for batch files. Batch PPTX to PPT Converter supports project and command line. Batch PPTX to PPT Converter has a friendly GUI so it is used very easily. Batch PPTX to PPT Converter supports an efficient multi-thread conversion engine. So you could control the conversion action very easily. You can stop or pause and continue it in any time. You can save your conversion work in a project file (.batch-ppt2ppt) for re-use. You can run the batch-ppt2ppt project in Microsoft Windows Explorer or command line directly.