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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - FILEOPEN: Error opening XLSX file in zip64 format"
href="https://bugs.documentfoundation.org/show_bug.cgi?id=82984#c11">Comment # 11</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - FILEOPEN: Error opening XLSX file in zip64 format"
href="https://bugs.documentfoundation.org/show_bug.cgi?id=82984">bug 82984</a>
from <span class="vcard"><a class="email" href="mailto:rzymek@gmail.com" title="Krzysztof Rzymkowski <rzymek@gmail.com>"> <span class="fn">Krzysztof Rzymkowski</span></a>
</span></b>
<pre>Looks like LibreOffice (Version: 6.0.7.3, Build ID: 1:6.0.7-0ubuntu0.18.04.2)
has a hard requirement on just the zip version field. But only in Central
directory's "version needed to extract" (see:
<a href="https://en.wikipedia.org/wiki/Zip_(file_format)#Central_directory_file_header">https://en.wikipedia.org/wiki/Zip_(file_format)#Central_directory_file_header</a>).
Looks like this version needs to less of equal to 30. Other version fields can
be 45: Local file header's version and "version made by" in central directory.
For a Excel and LibreOffice compatible zip64 compressor implementation see:
<a href="https://github.com/rzymek/opczip/blob/master/src/main/java/com/github/rzymek/opczip/Zip64Impl.java">https://github.com/rzymek/opczip/blob/master/src/main/java/com/github/rzymek/opczip/Zip64Impl.java</a></pre>
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