Free Online XLSX Merger

Merge or combine XLSX files online from any device.

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 merge XLSX files using Aspose.Cells Merger App

  • Click inside the file drop area to upload first XLSX file or drag & drop a XLSX file.
  • Likewise, upload second XLSX file or drag & drop it.
  • Click the "MERGE NOW" button to start merging files.
  • Instantly download, view or send merged file as an email.
  • Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.

Fast and Easy Way to Merge

Upload your documents and click on “MERGE NOW” button. It will merge your document files into one and provide you a download link to download merged document. The output format will be the output format of your first document.

Merge from Anywhere

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

Merge Quality

Powered by Aspose.Cells. All files are processed using Aspose APIs, which are being used by many Fortune 100 companies across 114 countries.

Other Supported Mergers

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