.docx — Microsoft Word Open XML Document
Microsoft · 2007
What is a .docx file?
DOCX is the default file format for Microsoft Word documents since Office 2007. It replaced the older .doc format and uses Open XML compression to create smaller, more efficient files. DOCX files can contain formatted text, images, tables, charts, headers, footers, and page formatting. The format is widely supported across word processors including Google Docs, LibreOffice, and Apple Pages.
Programs That Open .docx Files
| Platform | Program | ||
|---|---|---|---|
| Windows | Microsoft Word | Paid | Official |
| LibreOffice Writer | Free | ||
| Google Docs | Free | ||
| macOS | Microsoft Word | Paid | Official |
| Pages | Free |
Common Problems with .docx Files
Frequently Asked Questions
.docx files can be opened with several programs. Microsoft Word is one of the most popular choices.
Generally yes, .docx files are safe to open with appropriate software.
Yes, there are many online and offline tools available to convert .docx files. Check the conversion section above for specific methods.
Technical Details
Microsoft Word Open XML Document files use the application/vnd.openxmlformats-officedocument.wordprocessingml.document MIME type and were first introduced in 2007 by Microsoft. The file can be identified by its signature: 50 4B 03 04 (PK ZIP).