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Word DOC documents

posted in: File formats 0

Filename extension: .doc
Internet media type: application/msword
Uniform Type Identifier: com.microsoft.word.doc
Developed by: Microsoft
Latest release: 3.3 / 18 November 2012
Type of format: document file format
Container for: Text, Image, Table
Extended to: Microsoft Office XML formats, Office Open XML
Open format: No

In computing, DOC or doc (an abbreviation of “document”) is a proprietary extension for a file name traditionally used for documentation in text format, on a wide variety of operating systems.

In the 1980s, WordPerfect used DOC extension as a proprietary format. Then, in the 1990s, Microsoft has also used the extension DOC files for their processing software Microsoft Word.

On Palm OS, DOC is short for PalmDoc, a completely different file format used for text files such as digital books.


The proprietary doc for Word causes problems for users because of its non- interoperable format. So “open formats” were presented:

  • ODF – OASIS Open Document Format for Office Applications, ISO 26300, for office documents ;
  • PDF – Adobe Portable Document Format , ISO 19005-1 , for finalized documents.

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