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Details of extension .7z

On this page, we're going to take a closer look at the .7z file extension, which is related to 7-Zip Archive. We'll explain what exactly a .7z file format is and how you can use it. If you're interested in learning more details about this type of file, we'll show you where to find them. And if you ever need to convert .7z files into different formats, we'll give you some tips on how to do that too. Let's see the file format associated with this file extension!

Contents

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7z file - 7-Zip Archive

7-Zip Archive

The 7Z file is a 7-Zip Archive. 7z is the new archive format, providing high compression ratio.
Category: Archive files
Application: 7-Zip
Program name: -
Mime-type: application/x-7z-compressed
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
7-z, 7-zip, 7zip
Related extensions:
.ca_ Compressed Microsoft Cabinet File
.bz2 BZip2 Compressed Data
.arc LH ARC Compressed Archive
.paq9a PAQ PAQ9A Compressed Archive
Links:

The .7z file extension might not only belong to a single type of file, there could be various kinds that use it. Keep in mind that files with the .7z extension may contain various content types. If you have helpful information about this extension, write to us!

Could someone have spelled the .7z file extension wrong?

In our database, we came across the following similar extensions:

.uz Unreal Tournament Server Data
.yz YAC Compressed
.z7 Z-machine Z-code File

The .7z extension is frequently misused

People sometimes confuse the .7z filename extension. Based on the searches on our site, here are the most common misspellings from the past year.

uz (1), yz (1), z7 (1)

Having trouble opening a .7z file?

If you want to open a .7z file on your computer, you just need to have the appropriate program installed. Incorrect settings for the .7z association can trigger this error.

Windows can't open this file:

File: example.7z

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program with which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android