Free online XLSX spreadsheet editor

A web app to view & edit XLSX & OpenDocument Spreadsheet online from anywhere.


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Aspose.Cells for .NET Aspose.Cells Excel Editor

 

Aspose.Cells
  • Edit XLSX
  • Save to desired format: XLSX, PDF, HTML or original Excel format
  • Advanced WYSIWYG Excel editor online
  • Calculate formulas
  • Set fonts & styles
  • Render Charts & Shapes
  • Create or open Excel Spreadsheet to edit
  • Create or open OpenDocument Spreadsheet to edit

XLSX Microsoft Excel Open XML Spreadsheet

XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.

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How to create / edit and download one XLSX file

  • Click the 'Create New' button, a new Excel Spreadsheet will be rendered for you to edit & download instantly.
  • Click inside the file drop area to upload one XLSX file or drag & drop one XLSX file.
  • Click the 'Edit Now' button, the uploaded Excel file will be rendered for you to view, edit & download instantly.
  • Download the modified XLSX Spreadsheet as original Excel format, XLSX, PDF or HTML.

Other Supported Editors

You can also edit other file formats. Please see the list below.