.HTMLZ File Extension

Zipped HTML eBook

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What is an HTMLZ file?

File that contains an eBook saved in the HTMLZ format, which is a .ZIP file with the ".htmlz" extension; contains multiple files, including .HTML files, images, and a metadata.opf (.OPF) file; used for packaging eBook content into a single archive.

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Programs that open HTMLZ files


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The FileInfo.com team has independently researched the Zipped HTML eBook file format and Mac, Windows, and Linux apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

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