XLSX Merger

Combine XLSX online from any device with a modern browser like Chrome, Firefox.

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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.

Combine multiple XLSX documents in the preferred order and save them as a single file. Free online XLSX Merger tool without registration is created to quickly join multiple files into a single document. Join multiple XLSX files into one document at high speed. You will not spend your time doing these operations manually on desktop software. Our goal is to provide you with a reliable solution to optimize your office workflow through online XLSX Merger application. This XLSX Merger tool works for all platforms: Windows, Linux, macOS and Android. No desktop software installation is required. It's powerful, modern, fast, flexible, easy-to-use and completely free.

Free Document Conversion, Viewer, Merger app for Windows

Free Document Conversion, Viewer, Merger app for Windows

  • Easily convert, view or merge unlimited files on your own Windows PC.
  • Process Word, Excel, PowerPoint, PDF and more than 100 file formats.
  • No limit of file size.
  • Batch conversion of multiple files.
  • One app with rich features like Conversion, Viewer, Merger, Parser, Comparison, Signature.
  • Regular FREE updates with new features coming every month.
Free Download

How to merge XLSX files online

  • Select or drop your XLSX documents to upload for merge.
  • Once upload completes, drag XLSX document thumbnails to rearrange them (if needed).
  • Click on Merge Now button to start merge process.
  • Once your XLSX documents are merged click on Download Now button.
How to


  • ❓ How can I merge files using XLSX Document Merger?
    First of all, you need to select and add XLSX files for merging by two ways: drag and drop your XLSX files to the white area with the label ”Click or drop your file here” or click on this area and then select the desired XLSX files using file explorer. Once the files are added, the green progress bar will begin to grow. When the process is completed, you can click the Save button and then download your merged XLSX file.
  • ⏱️ How long does it take to merge XLSX files?
    Usually, this XLSX Document Merger works fast for small files in seconds.
  • 🛡️ Is it safe to merge files using our free XLSX Document Merger?
    Yes, the download link of merged XLSX file will be available only for you. The uploaded files will be ereased after 24 hours and the download link will stop working after this time period. No one has access to your files. The XLSX Document Merger is absolutely safe.
  • 💻 Can I merge XLSX files on Linux, Mac OS or Android?
    Yes, you can use our free XLSX Document Merger on any operating system that has a web browser. Our XLSX Document Merger works online and does not require any software installation.
  • 🌐 What browser should I use to merge XLSX files?
    You can use any modern browser to merge XLSX files, for example, Google Chrome, Microsoft Edge, Firefox, Opera, or Safari.

Other Merger file formats

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

Merge CSV Files (Comma Separated Values File)
DOC Merger (Microsoft Word Document)
Merge DOCM Files (Word Open XML Macro-Enabled Document)
DOCX Merger (Microsoft Word Open XML Document)
Merge EPUB Files (Open eBook File)
HTML Merger (Hypertext Markup Language File)
Merge MHT Files (MHTML Web Archive)
Merge ODP Files (OpenDocument Presentation)
ODS Merger (OpenDocument Spreadsheet)
Merge ODT Files (OpenDocument Text Document)
ONE Merger (OneNote Document)
Merge PDF Files (Portable Document Format File)
PPS Merger (PowerPoint Slide Show)
Merge PPSX Files (PowerPoint Open XML Slide Show)
PPT Merger (PowerPoint Presentation)
Merge PPTX Files (PowerPoint Open XML Presentation)
RTF Merger (Rich Text Format File)
Merge TEX Files (LaTeX Source Document)
TSV Merger (Tab Separated Values File)
Merge TXT Files (Plain Text File)
VDX Merger (Visio Drawing XML File)
Merge VSDM Files (Visio Macro-Enabled Drawing)
VSDX Merger (Visio Drawing)
Merge VSSM Files (Visio Macro-Enabled Stencil File)
VSSX Merger (Visio Stencil File)
Merge VSX Files (Visio Stencil XML File)
XLAM Merger (Microsoft Excel Add-in)
Merge XLS Files (Excel Spreadsheet)
XLSB Merger (Excel Binary Spreadsheet)
Merge XLSM Files (Excel Open XML Macro-Enabled Spreadsheet)
XPS Merger (XML Paper Specification File)
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