LibreOffice criticizes EU Commission over proprietary XLSX formats
LibreOffice criticizes EU Commission over proprietary XLSX formats
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LibreOffice criticizes EU Commission over proprietary XLSX formats
The Document Foundation criticizes the EU Commission for exclusively using Microsoft's XLSX format in the Cyber Resilience Act consultation.

The Foundation sees this as a contradiction to the EU's own interoperability goals. Although XLSX is standardized as OOXML according to ISO/IEC 29500, Microsoft's implementations often deviate from the specifications. Furthermore, features often change undocumented, which complicates compatibility with open-source software such as LibreOffice.