Batch XLS AND XLSX Converter is a Excel XLS to XLSX, XLSX to XLS Batch Converter that can convert Excel XLS to XLSX and XLSX to XLS easily. Batch XLS TO XLSX Converter supports powerful search for a lot of files. Batch XLS AND XLSX Converter supports project and command line. Batch XLS AND XLSX Converter has a friendly GUI so it is used very easily. Batch XLS & XLSX Converter Drag and Explorer Context supported. Batch XLS AND XLSX Converter supports a 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-xls2xls) for re-use. You can run the batch-xls2xls project in Microsoft Windows Explorer or command line directly.