DOCDOCX

Convert DOC to DOCX

Free and secure. DOC files are converted in an isolated cloud sandbox and deleted automatically.

  • Isolated cloud sandbox
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  • Batch & ZIP download

How to convert DOC to DOCX

  1. 1

    Add your DOC files

    Drag and drop DOC files onto the converter, paste them, or click to browse. You can add several at once.

  2. 2

    Choose DOCX

    DOCX is already selected. Open Options if you want to change quality, size or metadata.

  3. 3

    Convert

    Click Convert. Files are processed in a secure cloud sandbox and are usually ready in seconds.

  4. 4

    Download your DOCX

    Download each DOCX file, or everything at once as a ZIP.

DOC vs DOCX

From

DOC · Microsoft Word 97–2003

DOC is the legacy binary Word format used before 2007. Newer tools prefer DOCX, but DOC is still everywhere in old archives.

Type
Document
Extension
.doc
MIME
application/msword
Best for
older Word documents and legacy systems
Legacy formatProprietary
All DOC conversions →

To

DOCX · Microsoft Word Document

DOCX is the modern Microsoft Word format, an XML-based package that stores text, styles, tables and images.

Type
Document
Extension
.docx
MIME
application/vnd.openxmlformats-officedocument.wordprocessingml.document
Best for
editable documents in Word, Google Docs and Pages
Open standard
All DOCX conversions →

Need it the other way around? Convert DOCX to DOC.

Related conversions

DOC to DOCX: frequently asked questions

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Convert DOC to DOCX in seconds.

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  • Cloud files deleted automatically
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