What is the 7Z File Extension?

Author:   |   Last Updated: May 31, 2023

Microsoft Silver

7Z File Summary

Most 7Z files can be viewed with zero known software applications, typically 7-Zip developed by Igor Pavlov. It's main file type association is the 7-Zip Compressed File format. 7Z files are categorized ordinarily as .

File Extension 7Z files have been identified on both desktop and mobile devices. The main 7Z file type has a Popularity Rating of "High", meaning these files are very frequently present on your typical desktop or mobile device.

Although there is a lot more to know about 7Z files, those are the most important details of these types of files. If you are having trouble opening these files, or would like more detailed information, please see our comprehensive information below.

High
File Type Popularity
11690
File Rank

/ 11690

Active

File Status

31

May

2023

Page Last Updated

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Types of 7Z Files


Primary 7Z File Association

.7Z
File Format:.7z
File Type:7-Zip Compressed File

Created by: Igor Pavlov
File Category:Uncommon Files
Registry Key: HKEY_CLASSES_ROOT\.7z

Software Programs That Open The 7-Zip Compressed File:


7-Zip by Igor Pavlov

Windows
Android
Linux

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7Z File Popularity


Top Mobile Device Brands

Samsung (28.86%)
Apple (21.83%)
Huawei (9.25%)
Xiaomi (6.74%)
LG (3.11%)


Troubleshooting Problems Opening 7Z Files


Common Problems Opening 7Z Files

7-Zip is Not Installed

When you double-click your 7Z file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". If this is the case, it's usually due to the fact that you do not have 7-Zip for %%os%% installed on your computer. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.


Tip: If you know of another program that can open your 7Z file, you can try opening it by selecting the application from the programs listed.


Wrong Version of 7-Zip is Installed

In some cases, you might have a newer (or older) version of a 7-Zip Compressed File file that is unsupported by your installed application version. If you do not have the proper version 7-Zip (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.


Tip: Sometimes you can get a clue about the version of 7Z file you have by right clicking on the file, then clicking on "Properties" (Windows) or "Get Info" (Mac OSX).


Summary: In either case, the majority of problems opening 7Z files are related to not having the correct software application installed on your computer.


Other Causes of 7Z File Opening Problems

Although you might already have 7-Zip or another 7Z-associated software installed on your computer, you can still encounter problems opening 7-Zip Compressed File files. If you are still having problems opening 7Z files, there may be other issues that are preventing you from opening these files. These other problems include (listed in order from most to least common):

  • Invalid 7Z file references in the Windows Registry (the "phonebook" of the Windows Operating System)
  • Accidental deletion of the description of the 7Z file in the Windows registry
  • Incomplete or bad installation of a software application associated with the 7Z format
  • Your 7Z file is corrupted (issues with your 7-Zip Compressed File file itself)
  • Your 7Z is infected with malware
  • Device drivers of the hardware associated with your 7Z file are corrupt or out-of-date
  • Your computer does not have the adequate system resources to open the 7-Zip Compressed File format

Quiz: Which of these is considered a vector image file?








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