Free Online XLSX Editor

View, edit & download XLSX document online from any device, with a modern browser like Chrome, Opera and Firefox.

XLSXMicrosoft 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

 How to view, edit, download a XLSX document using GroupDocs Editor App

  • Click inside the file drop area to upload a XLSX file or drag & drop a XLSX file.
  • File will be automatically rendered for you to view/edit/download instantly.
  • View & edit document.
  • Download the original XLSX file.
  • Download the edited XLSX file.
  • Download the edited XLSX file as PDF.
  • View/edit document HTML source.
Fast and easy

Fast and Easy XLSX Editor

Upload your XLSX document and you will be redirected to the XLSX Editor with great user experience and many more features.


Edit XLSX from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All XLSX files are processed on our servers. No plugin or software installation required for you..


Editor Quality

Powered by GroupDocs.EditorAll XLSX files are processed using GroupDocs APIs.

Other Editor file formats

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