document Format

DOCX File Format

DOCX is the default XML-based document format for Microsoft Word and modern office suites. It structures text, headings, tables, styles, and embedded media into an OpenXML compressed zip container.

Drop files here, or click to browse

PDF, DOCX, XLSX, PPTX, JPG, PNG, MP3, MP4, EPUB, ZIP and 100+ more

See all formats →

Technical Specifications

Extensions	.docx
MIME Types	application/vnd.openxmlformats-officedocument.wordprocessingml.document
Category	Document
Engine Tier	tier1-small-js
Magic Bytes / Sniffing	0x50 0x4B 0x03 0x04
Opens With	Microsoft Word, Google Docs, LibreOffice Writer, Apple Pages
Good For	Collaborative document drafting, rich formatting, and business word processing.
Not Recommended For	Long-term immutable document archiving where layout must never shift.

Convert from DOCX (6 targets)

DOCXPDF(high)DOCXHTML(high)DOCXMD(high)DOCXTXT(text-only)DOCXODT(high)DOCXRTF(high)

Convert to DOCX (10 sources)

PDFDOCX(approximate)PAGESDOCX(high)DOCDOCX(high)MDDOCX(high)HTMLDOCX(high)DOCMDOCX(high)ODTDOCX(high)TXTDOCX(exact)DOTXDOCX(exact)RTFDOCX(high)