DOC to DOCX Converter

Convert your DOC files to DOCX in seconds — free and online.
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Select or drag & drop files to begin.

How to convert DOC to DOCX?

Just three simple steps — no downloads, no hassle.
Click the “Choose files” button and upload your DOC file.

You can drag and drop it too — we’re flexible!

Choose “DOCX” as the output format, then click “Convert”.

We’ll take care of the rest — it only takes a few seconds.

All done! Your file is now in DOCX format.

Just download it and enjoy. Easy, right?

At a glance: DOC to DOCX

🔁 Conversion: DOC to DOCX ⏱ Average conversion time: 20 seconds 💳 Cost: Free 📂 Category: Documents ✳️ Extensions: .doc → .docx 📏 Max file size: 75 MB 👩‍💻 Works on: Windows, Linux, macOS, iOS, Android

About DOC

DOC is the original file format for Microsoft Word documents, used primarily before the introduction of DOCX. It supports rich text formatting, images, tables, and other document elements. DOC files are widely used but have largely been replaced by DOCX.

About DOCX

DOCX is the modern Word document format introduced with Microsoft Office 2007. It uses ZIP compression and XML structure to reduce file size and improve compatibility. DOCX files support text formatting, images, tables, styles, and many other document features.

Why Convert DOC to DOCX with MiConv?

Because it's quick, easy, and made for people like you.

No software needed

Convert your .doc files to .docx right in your browser — no downloads, no installs. Everything happens securely in the cloud.

Your files stay private

We never store your files permanently. Only you can access them, and they’re automatically deleted from our servers within 2 hours.

Fast, free, and effortless

Turn your DOC files into DOCX in just a couple of clicks. No registration, no limits — and it’s 100% free.

More DOC conversions you can try

Explore other formats you can turn your DOC files into — it's easy!

DOC to DOCX Converter Quality Rating

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Rated 9.66/10 based on 200854 reviews
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