ZIP file created with SharpZipLib cannot be opened on Mac OS X

Question

Argh, today is the day of stupid problems and me being an idiot.

I have an application which creates a zip file containing some JPEGs from a certain directory. I use th

Answer 1

got the exact same problem today. I tried implementing the CRC stuff as proposed but it didn't help.

I finaly found the solution on this page: http://community.sharpdevelop.net/forums/p/7957/23476.aspx#23476

As a result, I just had to add this line in my code:

oZIPStream.UseZip64 = UseZip64.Off;

And the file opens up as it should on MacOS X :-)

Cheers fred