Standard ECMA-376

Standard ECMA-376
Office Open XML File Formats

1^st edition (December 2006), 2^nd edition (December 2008), 3^rd edition (June 2011), 4^th edition (December 2012) and 5^th edition (Part 3, December 2015; and Parts 1 & 4, December 2016)

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.

The following files can be freely downloaded:

File name	Size (Bytes)	Content
ECMA-376 5th edition Part 1	43 501 721	zipped folder
ECMA-376 5th edition Part 3	741 741	zipped folder
ECMA-376 5th edition Part 4	8 471 820	zipped folder

ECMA-376 4th edition Part 1	43 631 768	zipped folder
ECMA-376 4th edition Part 2	1 578 124	zipped folder
ECMA-376 4th edition Part 3	948 269	zipped folder
ECMA-376 4th edition Part 4	8 485 360	zipped folder

ECMA-376 3rd edition Part 1	48 997 221	zipped folder
ECMA-376 3rd edition Part 2	1 650 289	zipped folder
ECMA-376 3rd edition Part 3	1 046 277	zipped folder
ECMA-376 3rd edition Part 4	9 437 326	zipped folder

ECMA-376 2nd edition Part 1	50 587 639	zipped folder
ECMA-376 2nd edition Part 2	1 595 030	zipped folder
ECMA-376 2nd edition Part 3	983 922	zipped folder
ECMA-376 2nd edition Part 4	8 748 866	zipped folder

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

ECMA-376 4^th edition is technically aligned with ISO/IEC 29500.

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