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alancc
Level 6

Cannot improve the compression level

Hi,

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 https://docs.flexera.com/isxhelp25/isxhelp25.htm#helplibrary/SettingsXML-Compress.htm#gettingstarted_2817905247_1084163%3FTocPath%3DGetting%2520Started%7CConfiguring%2520Advanced%2520Settings%2520for%2520InstallShield%7C_____2 to set the compression level to 9.

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

Why?

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