GemBox.Spreadsheet is a .NET component that enables developers to read, write, convert and print spreadsheet files (XLSX, XLS, ODS, CSV, HTML, PDF or XPS) from their .NET applications using one simple API. GemBox.Spreadsheet requires only .NET Framework and is many times faster than Excel automation object. GemBox.Spreadsheet is licensed per developer, server deployment is royalty free.

GemBox Spreadsheet Features:

  • Various cell data types (numbers, strings, dates, floating point etc.)
  • International characters (Unicode support) and international date/time formats (custom number formatting)
  • Cell styles (alignment, font properties, indentation, rotation, borders, shading, protection, text wrapping and shrinking, number formats etc)
  • Font formatting (size, color, font type, italic and strikeout properties, different levels of boldness, underlining, subscript and superscript)
  • Smart...

Latest News

GemBox.Spreadsheet improves File output support
GemBox.Spreadsheet improves File output support
Version 3.7 includes write support for PDF, XPS, BMP, GIF, JPEG, PNG, TIFF and WMP formats.
GemBox.Spreadsheet adds data validation in XLSX
GemBox.Spreadsheet adds data validation in XLSX
Version 3.5 also adds new methods for extracting to DataTables and full support for sheet protection in XLSX.
GemBox Software

We no longer sell GemBox Software products, please visit their web site instead.

Component Type
  • .NET Class
  • 100% Managed Code

Recent Awards


Customer Reviews

Average Review Score: 5 (5)

5 out of 5 stars

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Most recent positive review

jhsctIL, USA5 star
This is the best Excel Control on the market. Period.

Most recent critical review

There are no negative reviews for this product.