DOCX vs HTML
How do DOCX and HTMLcompare? Here's everything you need to know to choose the right format — and how to convert between them.
.docx
Full guide →Office Open XML Document
DOCX is the default format for Microsoft Word documents. It's an XML-based format that replaced the older .doc format, offering better compression, easier recovery, and broader compatibility.
.html
Full guide →HyperText Markup Language
HTML is the standard markup language for creating web pages. While primarily a web technology, HTML files are also used as a portable document format with rich formatting and multimedia support.
| Specification | DOCX | HTML |
|---|---|---|
| Full name | Office Open XML Document | HyperText Markup Language |
| Extension | .docx | .html |
| MIME type | application/vnd.openxmlformats-officedocument.wordprocessingml.document | text/html |
| Category | Document | Document |
| Developer | Microsoft | W3C / WHATWG |
| Year introduced | 2007 | 1993 |
DOCX advantages
- Standard format for word processing
- Excellent formatting capabilities
- Smaller files than legacy .doc format
- Compatible with Google Docs, LibreOffice, and more
DOCX limitations
- Formatting may vary between applications
- Complex internal XML structure
- Requires office software to edit properly
- Version differences can cause compatibility issues
HTML advantages
- Viewable in any web browser
- Rich formatting and multimedia
- Accessible and searchable text
- Can include interactive elements
HTML limitations
- Not a fixed-layout format
- Rendering varies between browsers
- External resources may break links
- Not ideal for print or signing
Which should you use?
DOCX and HTML serve different purposes. DOCX is ideal for business reports and memos, while HTML excels at web pages and email newsletters.
Best uses for DOCX
Best uses for HTML
Convert between DOCX and HTML
Need to switch formats? Convert for free with SquishConvert.