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.
MIME type
application/vnd.openxmlformats-officedocument.wordprocessingml.document
Developer
Microsoft
Introduced
2007
DOCX is a ZIP-compressed package of XML files following the OOXML (Office Open XML) standard (ISO/IEC 29500). It contains document.xml, styles.xml, and media files in a structured directory.
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Start converting — it's freePortable Document Format
Microsoft Word Document (Legacy)
Plain Text File
Office Open XML Spreadsheet
Microsoft Excel Spreadsheet (Legacy)
Comma-Separated Values
Office Open XML Presentation
Microsoft PowerPoint Presentation (Legacy)
Open Document Text
Rich Text Format
HyperText Markup Language
Electronic Publication