Details: File format summary

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Properties

Summary
Name	Microsoft Word for Windows
Version	2007 onwards
Other names
Identifiers	MIME: application/vnd.openxmlformats-officedocument.wordprocessingml.document PUID: fmt/412
Family
Classification	Word Processor
Disclosure
Description	From Microsoft Office 2007 onwards, the core output format of MS Word has been based on the Office Open XML (OOXML) file format. The ISO standard for OOXML is ISO/IEC DIS 29500. An OOXML file format consists of a compressed zip archive that is designated according to which file type it is. Further detail on OOXML can be found within fmt/189 - Microsoft Office Open XML. An alternative extension of .wbk refers to a backup file of a Word document, however there is no material or structural difference between a .wbk file and the .doc file it is a backup of.
Orientation
Byte order
Related file formats	Has lower priority than DOCX Strict OOXML Document (2007 onwards) Is supertype of Microsoft Word Template (2007 onwards) Is supertype of Microsoft Word Macro-Enabled Document Template (2007 onwards)
Technical Environment
Released
Supported until
Format Risk
Developed by	Microsoft Corporation
Supported by	Microsoft Corporation
Source	Digital Preservation Department / The National Archives
Source date	11 Jun 2012
Source description	This format can be identified via a container signature in DROID version 6 or later. The PRONOM database cannot currently represent container signatures.
Last updated	11 Jun 2012
Note