# WinZip

WinZip is a trialware file archiver and compressor for Microsoft Windows, macOS, iOS and Android. It is developed by WinZip Computing (formerly Nico Mak Computing), which is owned by Alludo. The program can create archives in Zip file format, unpack some other archive file formats and it also has various tools for system integration.

## History

WinZip 1.0 was released in April 1991 as a graphical user interface (GUI) front-end for PKZIP.
From version 6.0 until version 9.0, registered users could download the newest versions of the software, enter their original registration information or install over the top of their existing registered version, and thereby obtain a free upgrade. This upgrade scheme was discontinued as of version 10.0.
On May 2, 2006, WinZip Computing was acquired by Corel Corporation using the proceeds from its initial public offering.

### Supported .ZIP archive features

* 128- and 256-bit key AES encryption in addition to the less secure PKZIP 2.0 encryption method used in earlier versions. The AES implementation, using Brian Gladman's code, was FIPS-197 certified, on March 27, 2003. However, Central Directory Encryption feature is not supported.

## Release history
### Windows

The ZIP file archive format (ZIP) was originally invented for MS-DOS in 1989 by Phil Katz.
Table: History of WinZip Windows releases :
| Version | File size | Released | Support Expiration | Final Release Version |
| PMZip 1.0 /OS2 | 67 KB | January 14, 1991 | Expired |
| WinZip 1.0 | 56 KB | April 3, 1991 | Expired |
| WinZip 2.0 | 78 KB | July 30, 1991 | Expired |
| WinZip 3.1 | 101 KB | April 6, 1992 | Expired |
| WinZip 3.1b | 108 KB | September 8, 1992 | Expired |
| WinZip 3.2 | 116 KB | October 3, 1992 | Expired |
| WinZip 4.0 | 139 KB | January 16, 1993 | Expired |
| WinZip 4.0a | 151 KB | March 17, 1993 | Expired |
| WinZip 4.0b | 151 KB | April 2, 1993 | Expired |
| WinZip 4.1 | 133 KB | June 26, 1993 | Expired |
| WinZip 4.1a | 169 KB | August 12, 1993 | Expired |
| WinZip 5.0 | 189 KB | November 8, 1993 | Expired |
| WinZip 5.0a | 194 KB | January 26, 1994 | Expired |
| WinZip 5.0b | 194 KB | March 11, 1994 | Expired |
| WinZip 5.5a | 0.3 MB | August 15, 1994 | Expired |
| WinZip 5.6 | 287 KB | January 24, 1995 | Expired |
| WinZip 6.0 | 313 KB | August 14, 1995 | Expired |
| WinZip 6.0a | 0.4 MB | December 4, 1995 | Expired |
| WinZip 6.1 | 487 KB | October 1, 1996 | Expired |
| WinZip 6.2 | 563 KB | October 18, 1996 | Expired |
| WinZip 6.3 | 615 KB (16-bit) 0.7 MB (32-bit) | September 20, 1997 | Expired |
| WinZip 7.0 | 922 KB | October 5, 1998 | Expired |
| WinZip 8.0 | 1.20 MB | April 25, 2000 | Expired |
| WinZip 8.1 | 1.7 MB 1.8 MB (SR-1) | December 10, 2001 | Expired |
| WinZip 9.0 | 3.9 MB | February 24, 2004 | Expired |
| WinZip 9.0 SR1 | 2.3 MB | December 2004 | Expired |
| WinZip 10.0 | 5.6 MB | November 1, 2005 | Expired | Windows 98/ME |
| WinZip 11.0 | 7.3 MB | November 2006 | Expired |
| WinZip 11.1 | 8.9 MB | April 2007 | Expired |
| WinZip 11.2 | 13.0 MB | April 2008 | Expired |
| WinZip 12.0 | 13.9 MB | September 2008 | Expired |
| WinZip 12.1 | 13.0 MB | May 2009 | Expired |
| WinZip 14.0 | 13.7 MB | October 2009 | Expired |
| WinZip 14.5 | 13.8 MB | April 2010 | Expired | Windows 2000 |
| WinZip 15 | 18.6 MB | November 2010 | Expired |
| WinZip for Mac 1.0 | 8.6 MB | November 2010 | Expired |
| WinZip 15.5 | 16.1 MB | April 2011 | Expired |
| WinZip 16 | 21.1 MB (32-bit) 23.2 MB (64-bit) | October 2011 | Expired |
| WinZip 16.5 | 21.1 MB (32-bit) 23.2 MB (64-bit) | April 2012 | Expired |
| WinZip 17 | 21.1 MB (32-bit) 23.2 MB (64-bit) | October 2012 | Expired |
| WinZip 17.5 | - MB (32-bit) - MB (64-bit) | May 2013 | Expired |
| WinZip 18 | - MB (32-bit) - MB (64-bit) | October 2013 | Expired |
| WinZip 18.5 | - MB (32-bit) - MB (64-bit) | May 2014 | Expired |
| WinZip 19 | - MB (32-bit) - MB (64-bit) | October 2014 | Expired |
| WinZip 20 | - MB (32-bit) - MB (64-bit) | October 2015 | Expired |
| WinZip 20.5 | - MB (32-bit) - MB (64-bit) | May 2016 | Expired | Windows XP (providing: IE8 is present + SP3 installed) |
| WinZip 21 | - MB (32-bit) - MB (64-bit) | October 2016 | Expired |
| WinZip 21.5 | - MB (32-bit) - MB (64-bit) | April 2017 | Expired |
| WinZip 22 | - MB (32-bit) - MB (64-bit) | October 2017 | Expired |
| WinZip 23 | - MB (32-bit) - MB (64-bit) | November 2018 | Expired |
| WinZip 24 | - MB (32-bit) - MB (64-bit) | September 2019 | Expired |
| WinZip 25 | - MB (32-bit) - MB (64-bit) | September 2020 | Expired |
| WinZip 26 | - MB (32-bit) - MB (64-bit) | September 2021 | | Windows 7 |
| WinZip 27 | - MB (32-bit) - MB (64-bit) | September 2022 | |
| WinZip 28 | - MB (64-bit) | September 2023 | | Windows (32-Bit) |

### Mac

WinZip 1.0 for Mac OS X (November 16, 2010): Initial release is compatible with Intel Macs and can be run on v10.5 'Leopard.'

### iOS

The iOS version was first released on February 17, 2012.

### Android

WinZip Android was first released on June 19, 2012.