File extension 7Z

File type 7-ZIP Compressed 7z Archive Format
Developer 7-Zip

If you cannot open the 7Z file on your computer - there may be several reasons. The first and most important reason (the most common) is the lack of a suitable application that supports 7Z among those that are installed on your computer.

A very simple way to solve this problem is to find and download the appropriate application. The first part of the task has already been done – the software supporting the 7Z file can be found below. Now just download and install the appropriate application.

This site also defines other possible causes causing the problems with 7Z files.

Program(s) that can open the .7Z file


Possible problems with the files that are in the 7Z format

The inability to open and operate the 7Z file does not necessarily mean that you do not have an appropriate software installed on your computer. There may be other problems that also block our ability to operate the 7-ZIP Compressed 7z Archive Format file. Below is a list of possible problems.

  • Corruption of a 7Z file which is being opened
  • Incorrect links to the 7Z file in registry entries.
  • Accidental deletion of the description of the 7Z from the Windows registry
  • Incomplete installation of an application that supports the 7Z format
  • The 7Z file which is being opened is infected with an undesirable malware.
  • The computer does not have enough hardware resources to cope with the opening of the 7Z file.
  • Drivers of equipment used by the computer to open a 7Z file are out of date.

If you are sure that all of these reasons do not exist in your case (or have already been eliminated), the 7Z file should operate with your programs without any problem. If the problem with the 7Z file has not been solved, it may be due to the fact that in this case there is also another rare problem with the 7Z file. In this case, the only you can do is to ask for assistance of a professional staff.

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This extension
can be converted to:
How to link the file with an installed software?

If you want to associate a file with a new program (e.g. my-file.7Z) you have two ways to do it. The first and the easiest one is to right-click on the selected 7Z file. From the drop-down menu select "Choose default program", then click "Browse" and find the desired program. The whole operation must be confirmed by clicking OK.

Is there a universal way to open unknown files?

Many files contain data in the form of text or numbers. It is possible that while opening unknown files (e.g. 7Z) a popular Windows simple text editor, which is Notebook will allow us to see some of the data encoded in the file. This method allows you to preview the contents of many files, but probably not in such a structure as a program dedicated to support them.