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Standard ECMA-376
Office Open XML File Formats

1st edition (December 2006) and 2nd edition (December 2008)



This Standard defines Office Open XML's vocabularies and document representation and packaging. It also specifies requirements for consumers and producers of Office Open XML.

An Office Open XML overview is available on the Ecma website.

Copy these file(s), free of charge:

File name Size (Bytes) Content
ECMA-376 1st edition Part 1 350 630 zipped DOCX file
ECMA-376 1st edition Part 1 1441795 zipped PDF file
ECMA-376 1st edition Part 2 341625 zipped DOCX file with 2 Annexes
ECMA-376 1st edition Part 2 1286494 zipped PDF file with 2 Annexes
ECMA-376 1st edition Part 3 6625515 zipped DOCX file
ECMA-376 1st edition Part 3 5930003 zipped PDF file
ECMA-376 1st edition Part 4 14509353 zipped DOCX file with 4 Annexes
ECMA-376 1st edition Part 4 33175399 zipped PDF file with 4 Annexes
ECMA-376 1st edition Part 5 99655 zipped DOCX file
ECMA-376 1st edition Part 5 687279 zipped PDF file
Adobe patent statement for the 1st edition 372005 Acrobat (r) PDF file
Microsoft patent statement for the 1st edition 33580 Acrobat (r) PDF file
     
ECMA-376 2nd edition Part 1 50 410 914

zipped folder

ECMA-376 2nd edition Part 2 1 418 169 zipped folder
ECMA-376 2nd edition Part 3 807 091 zipped folder
ECMA-376 2nd edition Part 4 8 571 966 zipped folder
Microsoft patent statement for the 2nd edition 33 275 Acrobat (r) PDF file

ECMA-376 2nd edition is technically aligned with ISO/IEC 29500.

 

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