Convert sxc to xlw

What is the difference between .sxc and .xlw?

Description: The SXC file format is associated with StarOffice Calc, the spreadsheet component of the StarOffice suite, which was a predecessor to the Apache OpenOffice and LibreOffice suites. SXC files are used to store spreadsheets that include data organized in rows and columns, formulas for calculations, charts, and other graphical elements. This format allows for the management and analysis of numerical data, making it suitable for financial, statistical, and various other types of information.; Workspace file saved by Microsoft Excel, a program used to create spreadsheets; contains the screen locations of one or more workbooks, as well as references to the workbook files; used to restore the layout when working simultaneously on multiple workbooks.