One way to determine the version of WinZip that you have installed would be to open the About WinZip dialog. ** The version to extract number for AES encrypted files is determined by the compression format that was used. Since AES is an extension to the Zip file format, it reports as compression method 99.

* AES is an encryption method, not a compression method.

Versions from WinZip 15 to WinZip 17.5 support all of the following, except for zstd compression, MP3 compression, and xz compression. Versions 18 to 20.5 supports all of the following, except for zstd compression and MP3 compression. Versions 21 to 23 supports all of the following, except for zstd compression. WinZip 25 and later supports all of the following extended compression formats. Older versions of WinZip do not support enhancements to the Zip file format available in newer versions. WinZip supports and is compatible with the standard Zip 2.0 file format, an open source format on which all standard Zip file utilities are based.

Please download, install, and try the latest release, if you wish. The current WinZip version is WinZip 25.0. CorelDRAW Graphics Suite 2021 (Windows/Mac).

Winzip 25.0 download