WinZip 9

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Advanced encryption
WinZip 9.0 supports 128- and 256-bit key AES encryption, which provide much greater cryptographic security than the
traditional Zip 2.0 encryption method used in earlier versions of WinZip.
Greater capacity
The original Zip file format limited the number of member files in a Zip file to 65,535, and the maximum size of both
the Zip file itself and any member file to 4 gigabytes. For all practical purposes, the 64-bit extended format
eliminates all these restrictions. Using the extended format, the member file size, Zip file size, and number of member
files you can add to a Zip file are limited only by your system's resources.
Improved compression
The compression methods are now "None", "Super Fast", "Fast", "Normal" (the default), "Maximum (portable)",
and "Maximum (enhanced deflate)" selectable from the WinZip "Add" dialog box.
WinZip versions prior to 8.1 will not be able to extract files compressed with the "Maximum (enhanced deflate)" method. It may also not be compatible with some other Zip file utilities.

Boh secondo me WinRar rimane il migliore.