Batch XLSX TO XLS Converter is a verfy useful application which allows users to convert Excel 2003 files to/from Excel 2007 ones. 

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. A XLS and XLSX converter for Excel.

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.

Here are some key features of "Batch XLSX To XLS Converter":

· Convert Excel XLS (Excel 2003) to XLSX (Excel 2007 OOXML Format) and XLSX to XLS easily.
· Batch convert XLSX to XLS and XLS to XLSX with GUI that supports powerful search function.
· Supports convert a xls/xlsx file.
· Supports convert xls/xlsx files in a folder.
· Drag and context menu with Microsoft Explorer supported.
· Supports batch project and command line.
· A efficient high-speed Multi-Thread conversion engine.

Limitations:

· Nag screen
· 7 days trial period