File Extension Search

.7z File Extension

Developer: Igor Pavlov
File type: 7-Zip Compressed File
You're here because you have a file that has a file extension ending in .7z. Files with the file extension .7z can only be launched by certain applications. It's possible that .7z files are data files rather than documents or media, which means they're not meant to be viewed at all.

what is a .7z file?

7Z files are compressed files that have been embedded with LZMA algorithms, which are open source compression specifications and data encoding standards deployed by the 7-Zip software, a file compression and decompression tool that was developed by Igor Pavlov for Windows-based platforms. These 7Z files are appended with the .7z extension and are stored in the compressed 7Z format, and these files can be decompressed using the 7-Zip software among other Windows file compression and decompression applications like WinZIP, WinRAR and PeaZip. The 7-Zip software can also be used to create these compressed 7Z files. WinZIP has a version for Mac platforms that can be used to open, view, decompress and extract files and folders stored in these 7Z files, while the PeaZip software is also distributed with Linux and Unix versions with compatibility support for opening, viewing, decompressing and extracting the files and folders inside these .7z files.

how to open a .7z file?

Launch a .7z file, or any other file on your PC, by double-clicking it. If your file associations are set up correctly, the application that's meant to open your .7z file will open it. It's possible you may need to download or purchase the correct application. It's also possible that you have the correct application on your PC, but .7z files aren't yet associated with it. In this case, when you try to open a .7z file, you can tell Windows which application is the correct one for that file. From then on, opening a  .7z file will open the correct application. Click here to fix .7z file association errors

applications that open a .7z file

7-Zip

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.
Corel WinZip 16 Pro

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.
Corel WinZip Mac Edition

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.
WinRAR

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.
PeaZip for Linux

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.

a word of warning

Be careful not to rename the extension on .7z files, or any other files. This will not change the file type. Only special conversion software can change a file from one file type to another.

what is a file extension?

A file extension is the set of three or four characters at the end of a filename; in this case, .7z. File extensions tell you what type of file it is, and tell Windows what programs can open it. Windows often associates a default program to each file extension, so that when you double-click the file, the program launches automatically. When that program is no longer on your PC, you can sometimes get an error when you try to open the associated file.


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