Files with docx extension are documents written and saved using Microsoft Word word processor edition 2007 or later. DOCX format replaced the previously used DOC format, moving from binary files to Open XML schema-based documents. They are supported in almost every modern word-processing tools.
Software that open docx file
DOCX file extension - Microsoft Word Open XML document
What is docx file? How to open docx files?
File extension docx is best known for its use in Microsoft Word, a powerful word processor and authoring software that allows users to create and share documents. It is available as part of Microsoft Office and Office 365 subscription-based services.
Replacing the previously used binary .doc files, .docx files were introduced in MS Word 2007 and feature an Open XML formatting schema for more excellent compatibility with ZIP compression resulting in smaller files.
Microsoft Word 2007, Microsoft Word 2010, Microsoft Word 2013, Microsoft Word 2016, and Microsoft Word 2021 still use the same docx document file format.
MIME types used for Word docx documents:
application/vnd.openxmlformats-officedocument.wordprocessingml.document
Updated: January 20, 2025
The default software associated to open docx file:
Company or developer:
Microsoft Corporation
Microsoft Word offers powerful word processing and text editor features that allow users to easily create documents. Almost every, if not every, computer user knows .doc and .docx Word documents.
Company or developer:
Microsoft Corporation
Microsoft Office is popular productivity suite for Microsoft Windows. Microsoft Office contains a set of applications and services used to work with documents (Microsoft Word), spreadsheets (Microsoft Excel), presentations (Microsoft PowerPoint), databases (Microsoft Access) etc..
Microsoft Office can be also used to manage e-mail accounts, tasks, calendars and contacts (Microsoft Outlook).
Company or developer:
Microsoft Corporation
Microsoft Word for Mac is the Macintosh version of the popular word processing application from Microsoft Office Suite. It offers powerful text editing features for both home and corporate users.
The latest version of this application, Microsoft Word, is integral part of Microsoft Office for Mac and cannot be bought as standalone.
Company or developer:
Microsoft Corporation
Microsoft 365 is a subscription-based suite offering well-known Microsoft Office apps (Word, Excel, PowerPoint, Outlook, Access), cloud services, and advanced security. It enhances productivity, supports real-time collaboration, and ensures data protection, catering to individual, business, and enterprise needs for a modern digital workspace.
Microsoft 365 subscription service replaces the previous Office 365 service.
Company or developer:
Microsoft Corporation
Office 365 is a subscription-based service that gives users access to several services and apps from Microsoft Office. It is available for some types of subscription editions (Home, Education, Business, and Enterprise users) for Microsoft Windows, Apple macOS, and all major mobile platforms.
Office 365 service was replaced by Microsoft 365 subscription service.
List of software applications associated to the .docx file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open docx file, edit docx file, convert docx file, view docx file, play docx file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting docx files.
Software that open docx file - Microsoft Word Open XML document
Programs supporting the exension docx on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open docx file action.
Microsoft Windows:
Main software associated with docx file by default: Microsoft Word
Other suggested software: AbiWord
Corel WordPerfect
Ability Write
Apple macOS / Mac OS X:
Main software associated with docx file by default: Microsoft Word for Mac
Other suggested software: AbiWord for Mac
Pages for Mac
NeoOffice
Linux/Unix:
Multiplatform:
Main software associated with docx file by default: Microsoft 365
Other suggested software: Apache OpenOffice Writer (OpenOffice.org Writer)
LibreOffice Writer