Convert DOC to DOTX Online
DOC files are the legacy binary Word format used before Office 2007. Converting to DOTX gives you corporate templates, letterheads.
How to convert DOC to DOTX
- Upload your DOC file. Drag it onto the box above or click to browse. Files up to 200 MB are accepted.
- Choose DOTX as the output. The target format is pre-selected on this page — just press “Convert now”.
- Download the result. Conversion runs on our own server and the download starts as soon as it is ready. Your files are deleted automatically.
Why convert DOC to DOTX?
People convert DOC to DOTX mainly for compatibility. Modern Word opens it, but DOCX is preferred. DOTX, by contrast, is built for corporate templates, letterheads, and supported by modern Word.
DOC vs DOTX: key differences
| DOC | DOTX | |
|---|---|---|
| File type | legacy | template |
| Typical use | legacy Word documents | corporate templates, letterheads |
| Compatibility | Modern Word opens it, but DOCX is preferred. | Supported by modern Word. |
Tips for a clean DOC to DOTX conversion
- Modern Word opens it, but DOCX is preferred.
- Use the highest-quality source DOC you have — converting a compressed file again cannot restore lost detail.
- If you only need a smaller file, try a lower resolution or bitrate instead of a different format.
- Keep the original DOC until you have checked the converted DOTX opens the way you expect.
Frequently asked questions
How do I convert DOC to DOTX?
Upload your DOC file to the converter on this page, make sure DOTX is selected as the output format and click “Convert now”. When the conversion finishes the download starts automatically.
Is this DOC to DOTX converter free?
Yes — it is completely free and needs no account. Files up to 200 MB are accepted, and heavy use is rate-limited so the service stays available for everyone.
Will converting DOC to DOTX reduce quality?
Because both formats preserve the original data, converting back and forth does not degrade quality.
What is a DOC file?
DOC is the legacy binary Word format used before Office 2007. Its technical name is Microsoft Word 97-2003 and it is typically used for legacy Word documents.
What is a DOTX file?
DOTX is a modern Word template used to create consistent documents. Its technical name is Word Template (OOXML) and it is typically used for corporate templates, letterheads.
Can I convert DOC to DOTX on my phone?
Yes. The converter runs in the browser on Android, iOS, Windows, macOS and Linux — no app installation is required.
Are my files kept on the server?
No. Uploaded files and converted results are deleted automatically a short time after the conversion finishes.