How do DOCX and HTMLcompare? Here's everything you need to know to choose the right format — and how to convert between them.
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.
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 and HTML serve different purposes. DOCX is ideal for business reports and memos, while HTML excels at web pages and email newsletters.
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