Convert Spreadsheet File Types

The IronXL library enable a very convenience and safe way to convert from commonly used spreadsheet file format to the require format to be used in the next process of your .Net project. The available formats are shown below:


  • XLS
  • XLSX
  • XLSM
  • XLTX
  • CSV
  • TSV


  • JSON
  • XML
  • HTML
  • In code data types:
  • HTML string
  • Binary
  • Byte array
  • Data set
  • Memory stream

How to Convert and Export (XLSX, XLS, XLSM, XLTX, CSV) in C

  1. Install C# library to convert Excel file to other file formats
  2. Use WorkBook class to load or create new XLS or XLSX
  3. View, add or modify data in Excel spreadsheet in C#
  4. Utilize methods in WorkBook class to export the spreadsheet
  5. Check the exported file in specified directory

Exporting Excel into System.Data.DataSet and System.Data.DataTable objects allow easy interoperability or integration with DataGrids, SQL and EF.

You can download a file project from this link.