4 ms·
`.pptx` is the _Open_ Office Presentation Format. It's standardized by Ecma. It's not what I would call a proprietary file format.
by cjhveal 11y ago
`.pptx` is the _Open_ Office Presentation Format. It's standardized by Ecma. It's not what I would call a proprietary file format.
- gumby 11y agoIt was designed by Microsoft to try to prevent the Open Document format (e.g. odp in this case) from getting traction. Microsoft's patent license prevents free implementations. And it supports BLOBs which essentially renders it non-open.
- trymas 11y agoExactly this! MSFT just lobbied and pushed their formats, scared of .odp, .odt to gain great traction, when many organizations (including governments) considered using open formats instead of proprietary ones.