DOC→DOCXConverter
Convert your DOC files to DOCX format instantly. Free, fast, and secure - your files never leave your browser.
↔ Convert DOCX to DOC insteadDrop file or click to browse
Max 100MB • Auto-deletes after 3 min
How to Convert DOC to DOCX
Upload Your File
Drag & drop your DOC file or click to browse. Files up to 100MB are supported.
Convert
Click "Convert to DOCX" and wait a few seconds for processing.
Download
Download your converted DOCX file instantly. No registration needed.
Why Convert DOC to DOCX?
Converting DOC to DOCX improves compatibility, reduces file size, or enables your content to work with specific applications and platforms that require the DOCX format.
About DOC and DOCX
What is DOC?
DOC is the legacy Microsoft Word binary format used before 2007. While superseded by DOCX, millions of existing documents still use this format.
What is DOCX?
DOCX is Microsoft Word's default document format based on Open XML. It's the global standard for business documents, resumes, reports, and academic papers.
Frequently Asked Questions
How do I convert DOC to DOCX?
Upload your DOC file using the converter above, then click "Convert". Your file will be processed and you can download the converted DOCX file immediately. The entire process takes just seconds.
Is it free to convert DOC to DOCX?
Yes, ModConvert is completely free to use. There are no hidden charges, no registration required, and no watermarks on your converted files.
Is my DOC file safe when converting?
Absolutely. Your files are processed securely and are never stored permanently on our servers. Files are automatically cleaned up after conversion to protect your privacy.
What is the maximum file size for DOC to DOCX conversion?
You can convert DOC files up to 100MB in size. This covers most common use cases for document files.
Can I convert multiple DOC files at once?
Yes, you can upload and convert multiple DOC files. Each file will be converted to DOCX format individually for the best quality results.