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.DOCX File Extension

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File TypeMicrosoft Word Open XML Document

DeveloperMicrosoft
Popularity
4.1 (339 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryText Files
FormatZip

Zip

This file is saved in a zipped format. You can view the contents by unzipping it with a file decompression program.

What is a DOCX file?

A DOCX file is a document created by Microsoft Word, a popular word processing program. It may contain formatted text, images, drawn objects, and other document elements. DOCX files may also include page formatting information, authorship data, and document review notes.

More Information

DOCX files can be opened by Word 2007 or later for Windows, or with Word 2008 or later for Mac OS X. They may also be opened with earlier versions of Word for Mac and Windows via Open XML document support.

Unlike .DOC files, which store document data in a single binary file, DOCX files are created using the Open XML format, which stores documents as a collection of separate files and folders in a compressed zip package. Within a DOCX file are XML files and three folders, docProps, Word, and _rels, which hold the document properties, content, and relationships between the files. This structure is designed to make document content more accessible. For example, document text is saved using plain text files and document images are stored as individual image files within the DOCX file.

NOTE: To explore the contents of a DOCX file manually, rename the ".docx" extension to ".zip" and then decompress the resulting file with any zip decompression utility.

Common DOCX Filenames

Document1.docx - The default filename that Microsoft Word gives to new documents.

Programs that open DOCX files
Windows
File Viewer Plus
Microsoft Word
Microsoft Word Viewer
Corel WordPerfect X7
Apache OpenOffice
Hancom ThinkFree Office Write
SoftMaker Office
Kingsoft Writer
LibreOffice
Mac
Microsoft Word 2016
Apple Pages
Planamesa NeoOffice
Apache OpenOffice
Hancom ThinkFree Office Write
LibreOffice
Apple Preview
Linux
Apache OpenOffice
Hancom ThinkFree Office Write
LibreOffice
Web
Google Drive
Microsoft OneDrive
iOS
Microsoft Word
Apple Pages
Infraware Polaris Office
MobiSystems OfficeSuite Pro
Google Drive
Microsoft OneDrive
Android
Microsoft Word
SoftMaker Office: TextMaker Mobile
Kingsoft WPS Office for Android
Infraware Polaris Office
Google Drive
MobiSystems OfficeSuite Pro
Microsoft OneDrive
Updated 7/21/2016

FileInfo - The File Extensions Database

This page contains information about the .DOCX extension and its known file associations. Our goal is to help you understand what a DOCX file is and how to open it.

The Microsoft Word Open XML Document file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and therefore do not publish any information we have not verified.

If you would like to suggest any additions or updates to this page, please let us know!