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Level 6

Cannot improve the compression level


I am using IS Express.

I find the final setup.exe generated by IS Express is not compressed very well.

I try to recompress setup.exe(6086kb) with WinZip default settings, the compressed file size is 5434 kb

I try to use WinRAR(Best compression), the result is 5368kb.

So there seems to be a lot of spaces that can be compressed.

So I follow the instructions in to set the compression level to 9.

Then I recreate the setup.exe file. But find its size is reduce by 100bytes only.


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