How to open a 7z format file on Windows and Mac

How to open a 7z format file on Windows and Mac

In this tutorial, we will give you a detailed understanding of this file format. We will also learn how to create and open files in 7z format.

We will also learn how to use some tools to open .7z files on Windows, Mac, and online. Let’s start with what this file format is.

What Is A 7z File?

A file with the .7z extension is an archived / compressed format file. This is one of the relatively new compression file formats available for use. It is an archive format that provides a high level of compression.

It is part of the 7-Zip software. Since 7-Zip is open source software, so is 7z. This means that you don’t need to purchase the software to use it. It is available for free use.

How To Create A .7z File

In this section we will look at tools and steps to create .7z files on Windows and Mac operating systems

On Windows operating system

It can be done with the tool described below:

# 1) 7-Zip

7Zip at home

As mentioned above, this file format is part of the 7-Zip software. This is a compressed and encrypted archive file created by the 7-zip software. Therefore, if we want to create a 7z file or we can say if we want to compress a file in 7z format, we should have 7-Zip installed on our system. Encrypted files use different algorithms. Files saved in this format use the AES algorithm with a 256-bit key.

This is referred to as AES-256 encryption.

Price: not available . 7-Zip is open-source and can be downloaded for free.

Website: 7-Zip

Steps to convert a file to the 7z file format :

Once downloaded, follow the steps below:

# 1) Open 7-Zip application, you will get a screen as shown below.

Open the 7-Zip application

#2) From this screen, browse and select the files you want to compress. We have selected the 3 files as shown in the image below.

select the files you want to compress

# 3) Click the Add icon. Now in the window Add to archive enter the desired details and click OK.

Add to Archive window

# 4) All files will be archived and placed in a folder in the same location as the original files.

original files.

On Mac OS

As seen above, Windows users can create 7z files using the 7-Zip utility, however, this utility is not available for Mac users. But Mac users also have a couple of choices available to convert files to this format.

Below, we’ll take a look at two such tools available to Mac users.

# 1) Keka

Keka

Keka is a free utility that can be used by Mac users to convert a file to a 7z format. It can be downloaded from the website URL.

Price: not available . Keka can be downloaded for free.

Website: Keka

Steps to convert a file to the 7z file format:

  • Download Keka.
  • Install the application on your system.
  • Open the application and you will get a location to browse / select the files to convert.
  • Enter the required details.
  • The compressed file is created in 7z format in the same location as the selected files.

# 2) Ez7z

Ez7z home

Ez7z is a free utility that can be used by Mac users to convert a file to a .7z format. It can be downloaded from the website URL.

Price: not available . Ez7z is open source and can be downloaded for free.

Website: Ez7z

Steps to convert a file to the .7z file format:

  • Download Ez7z
  • Install the application on your system.
  • Open the application and you will get a location to browse / select the files to convert to 7z format.
  • Enter the required details.
  • The compressed file is created in 7z format in the same location as the selected files.

How To Open A 7z File

Most operating systems have built-in support for creating / opening ZIP files, however they don’t have built-in support for these files. This file can, however, be opened using open source software such as 7-Zip, WinZip, etc.

Open .7z file on Windows OS

As mentioned above, Windows by default does not have built-in support for opening 7z format files. In this topic, we will look at how these files on the Windows operating system.

WINZIP

WINZIP home

WINZIP is a 7z file opener. It can open a file in 7z format on the Windows operating system and is free. It can be downloaded from the website URL.

Price: not available . WINZIP is open-source and can be downloaded for free.

Website: WINZIP

Steps to open a 7z file:

Assuming you have WINZIP installed on your Windows computer, follow the steps listed below to open a “Sample.7z” file.

1) Open WINZIP on your system from the Start menu or by double clicking on the desktop shortcut. The screen that opens is the following (depending on the version of WINZIP installed on your system).

Open WINZIP on your system

#2) Open the compressed file by clicking File -> Open.

Open the compressed file

# 3) In the next few screens, browse the location of the file.

browse the location of the 7z file

# 4) Now double click on the folder ” Interactive travel example ”Inside the compressed folder“ Sample.7z ”to view its contents. We must display the contents to be selected if we wish to decompress one or more files selected from it.

Interactive travel example

# 5) Now using Ctrl + Click , select the files to be unzipped. We have selected 3 files as shown in the screenshot below.

select the files to be unzipped

# 6) In the rightmost section of the window, in Actions, select the location to save the compressed file. We have selected C: \ Unzipped Files in our case below. Now click on Unzip.

Unzipped files

# 7) The 3 selected files are now unzipped and can be viewed in the location C: \ Unzipped Files as shown in the screenshot below.

3 selected unzipped files

Open .7z file on Mac OS

Like the Windows OS, the Mac OS also does not provide built-in support for opening 7z files. However, these files can be opened on Mac OS using external software such as Unarchiver. Unarchiver is software that can unarchive different types of compressed files. Unarchiver is best supported on OS X 10.6.0 and above.

The Unarchiver

Cancel archiving from home

The Unarchiver is a 7z file opener. It can open a Mac .7z file and it’s free. It can be downloaded from the website URL.

Price: not available . The Unarchiver is open-source and can be downloaded for free.

Website: The Unarchiver

Steps to open a file:

The steps are listed below:

  • Download and install Unarchiver from the App Store on your Mac computer.
  • In Toolkit, select Cancel Archiving.
  • Drag Drop 7z files into the left section of the Unarchiver window.

OR

Browse to locate the file to open.

  • Now hit the Unzip button.
  • Now you can open the 7z file on your Mac system.

Open .7z file online

To open a 7z file online without downloading any external software to your system, some online utilities are available. One of these utilities is as follows:

Archive extractor

Select archive extraction file

Open the URL above and you can simply open a file online without having to download or install any external software.

Price: not available .

Website: archive extractor

Steps to convert a file to .7z file format :

Follow the steps below to open a 7z file online.

# 1) To open the URL on your system and click on Choose file key

Open the 7-Zip application

#2) Browse to locate the file to open. Select the file and click You open.

Browse to locate the 7z file

# 3) The process of opening the file begins and we can see it on the progress bar displayed as below.

progress bar

# 4) Once the above extraction process is completed, a screen will appear as shown below. The extracted file can be downloaded by clicking on its name.

Archive extractor success

Frequent questions

Q # 1) What is a 7z file?

Answer: is one of the relatively new compression file formats available for use. It is an archive format that provides a high level of compression. 7z it is part of the 7-Zip software.

Q # 2) What compression format does a 7z file use?

Answer: uses the file compression algorithm known as LZMA.

Q # 3) Can Windows open 7z files?

Answer: No, the Windows operating system does not have built-in support for opening these files. To open a file in 7z format, we need to download and install a third-party application. There are a couple of such utilities to open 7z files on a Windows machine, for example WINZIP, WINRAR, etc.

Q # 4) How do I open a .7z file on Mac?

Answer: it can be done using third party software like Unarchiver. Once downloaded to a Mac computer, this utility software can be used to open 7z files.

Q # 5) What is KEKA Mac?

Answer: Keka is an archiving utility that can compress and decompress files on a Mac operating system. It is free software and can be downloaded from here .

Q # 6) Can I use WinRAR to extract 7z?

Answer: Yes, WINRAR can be used to open a variety of file formats like 7z, RAR, ZIP, JAR, ISO, etc. However, it can only create RAR and ZIP files. This utility application was created by Eugene Roshal in the year 1995.

Q # 7) How to open a .7z file without WINZIP?

Answer: Besides WINZIP, we can also open a 7z file using 7-Zip software. This is due to the fact that 7z is part of the 7-Zip software.

Conclusion

We hope that after reading this article you will now be able to create and open 7z format files on a system with Windows OS and Mac OS.

Although both operating systems do not provide built-in support to open / create 7z files, however, the availability of open source utility allows you to create and open 7z compressed files.

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