DOC to DOCX Converter
Convert a legacy DOC Word document to the modern editable DOCX format for Microsoft Word, Google Docs, Apple Pages, and LibreOffice Writer.
Drop your DOC files here
Up to 50MB per file.
Files are encrypted and auto-deleted after conversion
How to Convert
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Upload your DOC files
Drag and drop or select DOC files from your device. You can upload multiple files at once.
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Configure Output
Start the conversion. Crest Convert will prepare the DOCX file using the appropriate format engine.
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Download DOCX files
Once conversion finishes, download your files individually or as a compressed ZIP archive.
Why convert DOC to DOCX?
DOC is the legacy Microsoft Word format used by older software and document systems. Converting it to DOCX creates the current Microsoft Word document format for editable text, tables, and page layouts, ready for workflows that use the destination format.
DOCX opens in Microsoft Word, Google Docs, Apple Pages, LibreOffice Writer, and other current office suites.
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Frequently Asked Questions
Why convert DOC to DOCX?
DOCX is the current Microsoft Word format and is widely supported by modern document apps, collaboration tools, and upload systems.
Will the document remain editable?
Yes. The result is an editable DOCX document rather than a fixed image or PDF.
Will formatting be retained?
Text, images, tables, pages, and common formatting are retained. Uncommon legacy features, macros, and unavailable fonts may need review.
Can I open the DOCX without Microsoft Word?
Yes. DOCX files open in Google Docs, Apple Pages, LibreOffice Writer, and other compatible document applications.
Can I convert multiple DOC files?
Yes. Add several legacy Word files and convert them together, then download each DOCX or the completed batch as a ZIP.