.DOCX File Extension

Microsoft Word Open XML Document

General Information

Title DOCX File Extension
Extension .docx
Full Form Microsoft Word Open XML Document
File Type Word Processing Document
Developer Microsoft Corporation
MIME Type application/vnd.openxmlformats-officedocument.wordprocessingml.document

File Function

Primary Function Document creation, Text formatting
Additional Functions Embedded media, Macros
Features Styles, Templates

File Characteristics

Quality High-resolution
Supports Layers No
Supports Transparency Limited
Editable Yes

Use Cases

Document Writing Yes
Academic Papers Yes
Business Reports Yes

Security and Practices

Security Risks Macro viruses
Best Practices Disable macros, Regular updates

Historical/Version Information

Initial Release 2007
Latest Version Part of Office 365 (2023)

Associated Types

Similar Extensions .doc, .odt, .rtf, .txt

Software Compatibility

Software Usage Policy OS Compatibility
Microsoft Word Subscription Windows, Mac
LibreOffice Writer Free Windows, Mac, Linux
Google Docs Free, Subscription Web-based