Have old Word documents saved in the legacy DOC format? Many modern applications and devices no longer support DOC files properly. Converting DOC to DOCX upgrades your documents to the modern format used by Microsoft Word 2007 and later, Google Docs, and LibreOffice.
Why Convert DOC to DOCX?
The DOCX format offers better compression, improved formatting support, enhanced security, and wider compatibility. Our online document converter makes upgrading your old files quick and easy.
- Smaller file size — DOCX files are typically 50-70% smaller.
- Better formatting — supports modern styles, themes, and layouts.
- Improved compatibility — opens in all modern word processors.
- Enhanced security — less vulnerable to corruption.
How to Convert DOC to DOCX Free Online
- Go to our document converter page.
- Upload your old DOC file.
- Select "DOCX" as the output format.
- Click convert and download your upgraded document.
Our free online file converter also supports converting DOCX back to DOC for older software, as well as PDF to Word, Word to PDF, and many other document format combinations.
Upgrade your old documents now!
Convert DOC to DOCX Free