Convert gnumeric to dbf

What is the difference between .gnumeric and .dbf?

Description: Gnumeric Spreadsheet is a free and open-source spreadsheet program developed for the GNOME desktop. It is designed to read and write both Microsoft Excel and OpenDocument Formats, and can export to a variety of other formats. It is well-suited for tasks such as data analysis and manipulation, as well as basic calculations.; A DBF (Database File) is a file format that originated with the dBASE database management system, which was one of the first widely used database systems in the 1980s. The format has since been adopted and supported by other database and software applications for storing structured data in a tabular form. A DBF file typically contains a header, which defines the structure of the database, including information about fields (columns) such as name, type, and size, followed by records (rows).