A CSV file is a way to collect the data from any table so that it can be conveyed as input to another table-oriented application such as a relational database application. Microsoft Excel, a leading spreadsheet or relational database application, can read CSV files. A CSV file is sometimes referred to as a flat-file. The CSV file format is very simple and supported by almost all spreadsheets and database management systems.
XML is a file type containing a markup language. This is readable by both a human user and an application. Designed to store data, rather than display data, it is a platform-independent language and allows users to define their own tags. To convert CSV file into XML, CSV to XML converter comes into the picture. And if you want to convert XML to CSV, XML to CSV converter is used. Hence various IT Company USA are using this tool.