New Browser-Based Viewer Lets Users Open Office Open XML Documents Online

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A developer has released a browser-based tool for viewing Office Open XML (OOXML) documents without requiring any desktop software. The viewer is accessible online at ooxml.silurus.dev and works directly within a web browser. OOXML is the file format standard underlying common Microsoft Office document types such as .docx, .xlsx, and .pptx. The project was shared on Hacker News, where it received modest early attention. No additional technical details or developer information were provided alongside the release.

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