A Standard in Name Only: What OOXML Transitional Tells Us About Format SovereigntyWhen a public administration is told its documents are stored in “an ISO standard format,” the assumption is that an ISO standard ought to be a clean, implementable specification that any qualified software vendor can support.OOXML — the format behind Microsoft’s docx, xlsx and pptx files — does not work this way.https://blog.documentfoundation.org/blog/2026/06/02/a-standard-in-name-only/#odf #ooxml