Do Son OOXML standardization history: The Document Foundation says Microsoft steered ISO approval in 2006-2008. Microsoft disputes such claims.
ODF
Cleafy uncovers PlayPraetor, a Chinese-speaking MaaS Android RAT that has infected 11,000+ devices, using real-time control via Accessibility Services to conduct on-device fraud.
LibreOffice claims Microsoft uses overly complex OOXML file formats to intentionally lock users into its ecosystem, hindering migration and interoperability with open-source alternatives.