DRIT.Spreadsheet provides an easy to use, intuitive .NET API to read, create and convert spreadsheet documents from various formats to OpenXml. 

  • Read XLSX, XLS, XLSB, XML Spreadsheet, CSV, TSV file formats.
  • Write to XLSX, CSV, TSV
  • Calculate almost all Excel functions and evaluate expressions.
  • Format sheet cells and ranges.
  • Create and manipulate sheet shapes and pictures.