Convert old Microsoft Word DOC files into modern DOCX format. Upload your document, convert it on the server, and download a clean DOCX file for newer Word versions.
DOCX files are easier to edit, share, store, and open in newer versions of Microsoft Word and office apps.
Upload a .doc file and convert it into .docx format using server-side document conversion.
DOC is an older Word format, while DOCX is modern, lighter, and more compatible with current document tools.
Convert legacy DOC files into DOCX format for newer versions of Microsoft Word and office software.
DOCX documents are better for email, cloud storage, editing, collaboration, and online document workflows.
The file is converted on your own server using LibreOffice, giving you full control over the tool.
Convert DOC to DOCX in three simple steps.
Choose an old Microsoft Word .doc file from your computer or mobile device.
The tool uses LibreOffice on your server to convert DOC into DOCX format.
Download the converted .docx file and open it in modern Word-compatible apps.
Common questions about converting DOC files to DOCX online.