DOC to DOCX Converter

Convert your DOC files to DOCX format. Quick, safe, and completely free.

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DOC files • Max 25MB per file • Up to 10 files

Format Information

DOC

DOC is the legacy Microsoft Word document format used from Word 97 through Word 2003. While largely replaced by DOCX, DOC files are still widely encountered in older documents and remain compatible with most word processors and office suites.

DOCX

DOCX is the modern Microsoft Word document format based on Open XML. It offers better compression, improved data recovery, and broader compatibility than the legacy DOC format. DOCX is the default format for Microsoft Word and is supported by most modern word processors.