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DOC to DOCX converter

Convert DOC to DOCX online from any device with a free converter.

Powered by groupdocs.com and groupdocs.cloud.

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size up to 20 MB

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About Conversion app

Convert DOC to DOCX files online with our free document converter app. No matter your platform — Windows 10, Mac, Android or iPhone — you can convert DOC files without losing formatting.

DOCX, PDF, ODT formats are essential for creating, editing, and sharing digital documents. DOCX is the standard format for Microsoft Word, widely used for editable text documents. PDF is ideal for preserving layout and sharing documents across devices. ODT is the open-source alternative used by LibreOffice and OpenOffice.

To change DOC to DOCX, simply upload your DOC document, choose a target format, and click Convert. Once done, your file will be ready to download instantly. No registration required.

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DOC

Microsoft Word Document

The DOC file format is a well known document format developed by Microsoft, primarily used for creating and editing text-based documents. It is supported by Microsoft Word and various other word processing applications, including LibreOffice, Apache OpenOffice, and online tools like Google Docs. The format stores text, formatting, images, tables, and advanced features such as macros, styles, and embedded objects, making it versatile for professional and personal use.

DOCX

Microsoft Word Open XML Document

DOCX is a widely used file format for text documents, developed by Microsoft as part of the Office Open XML standard, offering efficient storage and compatibility. It is primarily associated with Microsoft Word but can be opened and edited by various applications like LibreOffice, Google Docs, and Apple Pages. The format uses a ZIP-compressed structure containing XML files for text, styles, and metadata, supporting advanced features like embedded media, macros, and document protection.

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APIs available

Convert popular document and image file formats in your app. The GroupDocs.Conversion APIs are available for .NET, Java, and many other platforms and languages.

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How it works

How to convert DOC to DOCX

Step 1
Click inside the file drop area to upload DOC file or drag & drop DOC file.
Step 2
Click on Convert button. Your DOC files will be uploaded and converted to DOCX result format.
Step 3
Download link of result files will be available instantly after conversion.
Step 4
You can also send a link to the DOCX file to your email address.
FAQ

Questions & Answers

Other Supported Conversions

You can also convert DOC into many other file formats. Please see the complete list below.

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