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Zip Entry File Name Missing when Converting PPT to PPTX

Use the code to convert ppt file to pptx.src.zip (129.5 KB)

        using var destPres = new Presentation("src.ppt");
        destPres.Save("output.pptx", SaveFormat.Pptx);

the file name error in the zip file图片.png (4.6 KB)
图片.png (12.9 KB)
it cased file error and can not edit it by other libraries.

@christy8074
Thank you for the issue description. I reproduced the problem and logged the issue with ID SLIDESNET-42852 in our tracking system. Our development team will investigate this case. You will be notified when the problem is fixed.

Thank you for your reply.