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Upgrade SharpZipLib version

See original GitHub issue

Version 1.3.3 has a bug where it fails to open specific XSSF workbook with exception ICSharpCode.SharpZipLib.Zip.ZipException: 'Wrong Local header signature: 0x41C Upgrading the version to 1.4.0 and forward fixes the problem and workbook is opened correctly.

Issue Analytics

  • State:open
  • Created 2 months ago
  • Comments:7 (4 by maintainers)

github_iconTop GitHub Comments

1reaction
jesterretcommented, Aug 3, 2023

I’ll happily do that soon, but I can’t share the original file. I’ll do my best to make a sample for You and I’ll get back to You 😉

0reactions
tonyquscommented, Aug 3, 2023

I suggest you check where this xlsx file is from and which software/component generated this file. If this file is NOT generated by Microsoft Office, it can happen because some 3rd party implementation of office file generation has special file header or different zip package implementation.

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