Convert wks to xlsx

What is the difference between .wks and .xlsx?

Description: Lotus 1-2-3 Spreadsheet (wks) is a file type used for storing spreadsheet documents created with the Lotus 1-2-3 software. It is a proprietary format developed by IBM, and was the predominant spreadsheet software during the 1980s and early 1990s. The files typically contain data organized in rows and columns, as well as formulas and calculations.; An XLSX file is an Excel spreadsheet created by Microsoft Excel or another spreadsheet program, such as OpenOffice Calc or Apple Numbers. It stores data in worksheets, which contain cells arranged in a grid of rows and columns, and may also contain charts, mathematical functions, styles, and formatting. XLSX files are commonly used to store financial data and to create simple or complex mathematical models.

MIME Type: application/vnd.lotus-1-2-3; application/vnd.openxmlformats-officedocument.spreadsheetml.sheet