File Type Microsoft Word Open XML Document IconMicrosoft Word Open XML Document
File Format Proprietary (Microsoft)
Usage Referenced by an application; not meant to be opened manually; may run a program or script when opened
Rank ★ ★ ★  Common

The DOCX file format is used by Microsoft Word 2007 and later. It is based on Open XML, meaning it is saved as text document rather than a binary file. DOCX files also incorporate ZIP compression to reduce the file size.

Info About Microsoft Word

Word is a popular word processor for Windows and Macintosh computers. It is that standard word processing program used by most businesses and is also popular among consumers. Word supports advanced text styles and page formatting, as well as images, charts, and graphs. The program also includes a "Track Changes" feature, which allows other users to edit Word documents and note each change they make.

Open With

IconMicrosoft Word

IconMicrosoft Word Viewer

IconCorel WordPerfect


IconMicrosoft Word for Mac

IconApple Pages

IconPlanamesa NeoOffice


IconApache OpenOffice

IconHancom ThinkFree Office Write


Updated October 17, 2009