I believe .pptx (PowerPoint) files are ZIP's, too. Try changing a .pptx file to ... | Hacker News

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		tentacleuno on Nov 25, 2021 \| parent \| context \| favorite \| on: Only 90s web developers remember this (2014) I believe .pptx (PowerPoint) files are ZIP's, too. Try changing a .pptx file to .zip.

bayindirh on Nov 27, 2021 [–]

Every Office file format ending in an X is a .zip file. Got inspired from Open/LibreOffice's file formats heavily.

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