View Excel Spreadsheets

Spreadsheet documents usually associated with tables that are consist of vertical columns and horizontal rows. Rows are usually labeled with numbers (1, 2, 3, etc.) and columns with letters (A, B, C, etc) called table headings. Spreadsheets may contain text, graphics, formulas, and other media. The most commonly used spreadsheet applications are Microsoft Excel, LibreOffice Calc, and Apache OpenOffice Calc.

Online Excel Viewer

To view Excel files online please check out free Excel viewer powered by GroupDocs.Viewer for .NET

Supported Spreadsheets Formats

The following Spreadsheet formats are supported by the GroupDocs.Viewer for .NET. 

Auto Detection means that GroupDocs.Viewer for .NET can determine the type of the Spreadsheet file by reading the information in the file header.

File ExtensionFile TypeAuto Detection
.XLSXMicrosoft Excel WorksheetYes
.XLSMicrosoft Excel 97-2003 WorksheetYes
.ODSOpenDocument SpreadsheetYes
.FODSOpenDocument Flat XML SpreadsheetYes
.OTSOpenDocument Spreadsheet TemplateYes
.CSVComma Separated Values FileYes
.TSVTab Separated Values FileYes
.XLSBMicrosoft Excel Binary WorksheetYes
.XLSMMicrosoft Excel Macro-Enabled WorksheetYes
.XLTMicrosoft Excel TemplateYes
.XLTXExcel Open XML Spreadsheet TemplateYes
.XLTMMicrosoft Excel Macro-Enabled TemplateYes
.XLAMExcel Open XML Macro-Enabled Add-InYes
.SXCStarOffice Calc SpreadsheetYes
.NUMBERSApple numbersYes

In this section

The articles given in this section describes the usage of GroupDocs.Viewer to convert Spreadsheet files with different available options.

Rename email fields Adjust text overflow in cells