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ODT files are used in the OpenDocument document standard to store text documents, such as those created in applications such as LibreOffice Writer or Apache OpenOffice Writer. They can contain text formatting, images, tables and other elements of a text document.
More informationOPF files are metadata files in XML format that describe the structure and content of an e-book in the Open Electronic Publishing (EPUB) standard. ). OPF files contain information about the files that make up the e-book, such as text, images, and formatting styles.
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When your file is converted, you can save file OPF immediately