Convert XLSB to XLS (Excel)

The XLSB file extension stands for "Microsoft Excel Binary Spreadsheet". This format is designed to store spreadsheet data in a binary format, significantly reducing file size and enhancing performance when handling large datasets compared to the more common XLSX format. The XLSB format was introduced with Excel 2007, offering faster file opening and saving times as well as reduced memory usage, making it ideal for complex spreadsheets with extensive calculations, data analysis, and large amounts of information. This efficient, performance-driven format is favored in professional IT environments where speed and efficiency are paramount.

The XLS file extension, short for "Excel Spreadsheet", is a legacy format used by Microsoft Excel for storing spreadsheet data. Introduced with Excel 2.0 in 1987, it was the primary format until the introduction of XLSX in 2007. XLS files contain data organized in rows and columns, supporting formulas, macros, and various formatting options, making them essential for data analysis and financial reporting. Despite being replaced by the more robust and secure XLSX format, XLS files remain widely used in many legacy systems and applications.