DOC to DOCX Online
Free DOC to DOCX converter — no signup, no watermark. Upload your file and download the result in seconds. Files are deleted automatically after conversion.
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Up to 150 MB per file · 1 file at a time · 200+ formats
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Output
From
DOC
— Microsoft Word DocumentDOC is the legacy Microsoft Word format widely used for word processing documents. Compatible with virtually all office suites.
All DOC conversions
To
DOCX
— Microsoft Word Open XMLDOCX is the modern Microsoft Word format. The standard for business documents, reports, and letters — compatible with Word, Google Docs, and LibreOffice.
All DOCX conversions