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by repler 849 days ago
the new formats are actually zip archives believe it or not
1 comments
delta_p_delta_x 849 days ago
They are ZIP archives... of XML. That's what the 'x' stands for in '.docx', '.xlsx', '.pptx', etc; it is Office Open XML[1].

[1]: https://en.wikipedia.org/wiki/Office_Open_XML#:~:text=Office....

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