https://daringfireball.net/linked/2007/05/15/oox-converter
Daring Fireball: Microsoft Office Open XML File Format Converter for Mac
office open xmldaring fireballfile formatmicrosoft
https://www.nist.gov/news-events/news/2007/08/nist-votes-us-conditional-approval-office-open-xml-standard
NIST Votes for U.S. Conditional Approval of Office Open XML Standard | NIST
Feb 3, 2025 - August 10, 2007--The Commerce Department's National Institute of Standards and Technology (NIST) has voted for conditional approval of a proposed internation
office open xmlfor uconditional approval
https://learn.microsoft.com/en-us/previous-versions/office/developer/office-2010/gg607163(v=office.14)
Office Open XML, ECMA-376, and ISO/IEC 29500 | Microsoft Learn
office open xmlecma