7-Zip

Equipped with a high compression ratio (as high as 7z format via LMZA and LMZA2), 7-Zip is an open-source ZIP archiver software that is usable on any computer regardless of operating system installed from the latest to the earlier versions and without any charge at all. Majority of the source codes used by this program are on the list of GNU LGPL License. These include unRar, RAR,ZIP, ARJ, XZ, Z, TAR, WIM, BZIP2, GZIP, CAB, HFS, LZMA, NSIS, CPIO, RPM, VHD, DEB, CHM, LZH, MBR, FAT, NTFS, XAR, DMG, CramFS, ISO, MSI, SquashFS, and UDF. Technically, formats ZIP and GZIP have a ratio of 2 to 10%, 7z has high ratio from 30 to 70% plus this same format has self extracting capability while both ZIP and 7z has AES 256 encryption. Other features include windows shell, file manager, command line version, FAR manager plug-in and localizations for languages up to 79.

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Corel WinZip 16 Pro

Compressing files frees up space in the hard disk, and Corel Win Zip 16 Pro can compress files into different formats. This software allows users to choose the level of compression and the compression method that they want to integrate into their files and folders. All Major compressed formats can be extracted by this application, and this compression and decompression software runs in Microsoft Windows XP, Vista And window 7. Internet connectivity is needed for activating this program. Corel WinZip 16 Pro can provide users with access to Zipsend, which is use to compress and send large files through email. This software may also provide users with access to Zipshare, which is use to upload compressed files to various social Websites. Backups are necessary for the important data of the user, and Corel WinZip 16 Pro provides an automated process for backing up files. Users can burn backups directly unto a CD/DVD or Blu-ray disc, or send the compressed files to the user’s email address for virtual backups.

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Corel WinZip Mac Edition

Corel WinZip was originally for Microsoft operating system, and Corel Corporation made this software for Macintosh. And this will work with various versions such as Mac OS X 10.5X or 10.6X. Internet will be needed to activate the product. This will help the users to save up spaces where they store their files. This program offers file encryption which secures the file upon sharing. The files won’t be accessed by unauthorized personnel. Corel Winzip also provides security such as protecting email attachments. This application provides a viewing functionality that is well suited for Mac operating system. It also includes editing of files inside the zipped folder without unzipping the folder. The zip file would be manageable, safer, and smaller by the use of WinZip Mac Edition. This works with the email tool of Mac which is built for the user’s convenience. While organizing the files, the reduced size of the attachments will make it faster to be uploading once it is compressed.

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WinRAR

Eugene Roshal developed an application that can create RAR archives called WinRAR. It is a shareware file archiver and data compression utility released by Ron Dwight in 1993, while Alexander Roshal, Eugene Roshal's brother runs the business. WinRAR provides the complete support for RAR, which is WinRAR's original format in compression, ZIP archives, and unpacking of 7z, EXE, ISO, JAR, BZ2, UUE, ACE, GZ, TAR, LZH, ARJ and Z archives. It has multithreaded compression and can create archive with multi-volume and self-extracting. Damaged archives are provided with date redundancy through recovery record and recovery volumes for reconstruction. It also supports in the advancement in file names of Unicode and file system of NTFS. It has also AES (Advanced Encryption Standard) 128-bit key to be used optionally in archive encryption. The software is available in forty seven languages. It is written in C++ and runs with Windows 95, 98, Me, 2000, XP, Vista, 7 Mac OS X, FreeBSD, LInux (Wine required for GUI), and OS/2.

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PeaZip for Linux

The PeaZip for Linux software is a freeware which allows managing, archiving and compressing different files in Linux environment. It uses graphical images to interact with users and was based on Lazarus IDE of Free Pascal compiler. Developed by Giorgio Tami and released its first version Peazip for Linux v1.6 in April 2007. This software can be used in KDE, Gnome, Xfce or any other desktop manager. Peazip for Linux can be installed directly to the operating system or as a standalone program by using a removable device. In KDE desktop, the installer instantly creates menu entries while in Gnome it requires copying an archiving folder to another system’s scripts folder. It has the ability to extract more than 150 different file types and create various data compression files. It is available for users of Linux QT and GTK2 (DEB, RPM and TGZ) widget toolkit. Aside from archiving files, it also offers special security features with its password and keyfile authentication.

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