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kovidgoyal · 09-03-2021, 01:10 AM

Its not a 7zip self extracting file, it uses its own special more efficient compression, some variant of lzma IIRC. Which is stored in the res section of the exe file. see the unzip function in portable-installer.cpp

09-03-2021, 01:10 AM	#8
kovidgoyal creator of calibre Posts: 46,029 Karma: 29579868 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Its not a 7zip self extracting file, it uses its own special more efficient compression, some variant of lzma IIRC. Which is stored in the res section of the exe file. see the unzip function in portable-installer.cpp