Convert wks to csv

What is the difference between .wks and .csv?

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.; A CSV file is a comma separated values file commonly used by spreadsheet programs such as Microsoft Excel or OpenOffice Calc. It contains plain text data sets separated by commas with each new line in the CSV file representing a new database row and each database row consisting of one or more fields separated by a comma. CSV files are often opened by spreadsheet programs to be organized into cells or used for transferring data between databases.