Add the functionality to read and write data from/to
Excel XLS, XLSX, CSV documents
to your desktop and web-applications

ByteScout Spreadsheet SDK


  • Excel is not required (the library uses its own custom engine to efficiently read, write and calculate spreadsheets. In addition Microsoft does not currently recommend, and does not support automation of Microsoft Office applications from any unattended, non-interactive client application or component (including ASP, ASP.NET, DCOM, and NT Services) (see Microsoft’s KB #257757 for more information);
  • Provides a clean and simple excel API to read and write Excel files;
  • Creates a spreadsheet with .NET code compatible with different security modes of ASP.NET web-servers
  • Mono .NET Framework compatible;
  • Comes with comprehensive documentation (150+ source code samples for C#, VB.NET, ASP.NET, Visual Basic 6, ASP Classic);
  • Includes .NET, ActiveX and command line (console) interfaces so it can be used from different environments;
  • Royalty-free licensing: no additional run-time licenses or run-time fees.

Technical details:

Screenshots Gallery (click to view):

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If you are looking for an affordable Spreadsheet tool with almost the same functionalities and extended business license – check ByteScout Spreadsheet Tool for businesses!