DOCX Merger

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

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DOCX Microsoft Word Open XML Document

Docx is well-known format for Microsoft Word documents. Introduced from 2007 with the release of Microsoft Office 2007, the structure of this new Document format was changed from plain binary to a combination of XML and binary files. Docx files can be opened with Word 2007 and lateral versions but not with the earlier versions of MS Word which support DOC file extensions.

Merge Word documents online

GroupDocs DOCX Merger provides a convenient solution to combine multiple word documents into a single file online and for free. It will save you a lot of effort, as you are allowed to merge word documents just inside your browser - there is no need to install any third-party software, desktop applications or plugins. Now it is unnecessary to waste your time and merge files manually!

Our Word file merger is smart and simple, so you may reorder uploaded files in the way you need and download the resultant file in a few seconds. After your DOCX files are merged you are able to share or print results, or send a download link to your email.

GroupDocs mission is to provide the best quality of file merging solutions and simplify document-processing workflows.

File merge supported formats

With our robust file merge and convert solutions you can seamlessly join multiple DOCX or DOC files, PDF documents, PPTX presentations and Excel spreadsheets and convert them into a wide range of file formats like PDF, HTML, PNG, JPG etc. It's powerful, modern, fast, flexible, easy-to-use and completely free.

GroupDocs.Merger Software Family

Our online Merger app is based on the GroupDocs Merger software family which provides document processing solutions of high performance and scalability for different platforms, programming languages and operating systems:

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 DOCX files online

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


  • ❓ How can I merge files using DOCX Document Merger?
    First of all, you need to select and add DOCX files for merging by two ways: drag and drop your DOCX files to the white area with the label ”Click or drop your file here” or click on this area and then select the desired DOCX 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 DOCX file.
  • ⏱️ How long does it take to merge DOCX files?
    Usually, this DOCX Document Merger works fast for small files in seconds.
  • 🛡️ Is it safe to merge files using our free DOCX Document Merger?
    Yes, the download link of merged DOCX 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 DOCX Document Merger is absolutely safe.
  • 💻 Can I merge DOCX files on Linux, Mac OS or Android?
    Yes, you can use our free DOCX Document Merger on any operating system that has a web browser. Our DOCX Document Merger works online and does not require any software installation.
  • 🌐 What browser should I use to merge DOCX files?
    You can use any modern browser to merge DOCX 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)
EPUB Merger (Open eBook File)
Merge HTML Files (Hypertext Markup Language File)
MHT Merger (MHTML Web Archive)
Merge MHTML Files (MIME HTML File)
ODP Merger (OpenDocument Presentation)
Merge ODS Files (OpenDocument Spreadsheet)
ODT Merger (OpenDocument Text Document)
Merge ONE Files (OneNote Document)
PDF Merger (Portable Document Format File)
Merge PPS Files (PowerPoint Slide Show)
PPSX Merger (PowerPoint Open XML Slide Show)
Merge PPT Files (PowerPoint Presentation)
PPTX Merger (PowerPoint Open XML Presentation)
Merge RTF Files (Rich Text Format File)
TEX Merger (LaTeX Source Document)
Merge TSV Files (Tab Separated Values File)
TXT Merger (Plain Text File)
Merge VDX Files (Visio Drawing XML File)
VSDM Merger (Visio Macro-Enabled Drawing)
Merge VSDX Files (Visio Drawing)
VSSM Merger (Visio Macro-Enabled Stencil File)
Merge VSSX Files (Visio Stencil File)
VSX Merger (Visio Stencil XML File)
Merge XLAM Files (Microsoft Excel Add-in)
XLS Merger (Excel Spreadsheet)
Merge XLSB Files (Excel Binary Spreadsheet)
XLSM Merger (Excel Open XML Macro-Enabled Spreadsheet)
Merge XLSX Files (Microsoft Excel Open XML Spreadsheet)
XPS Merger (XML Paper Specification File)
Merge TIF Files (Tagged Image File)
TIFF Merger (Tagged Image Format File)
Viewer Annotation Conversion Comparison Signature Assembly Metadata Search Parser Watermark Editor Merger Redaction Classification Splitter Translation Unlock Protect Scanner