What Is a 7Z File?
A file with the 7Zfile extensionis a 7-Zip compressed file.
It’s a bit like a folder on your box, except that it really acts like a file.

Both a folder and a 7Z file can store one or more files, and even other folders.
Some 7Z files are broken up into smaller chunks to make them easier to send or store.
They end up with a different file extension, like .7Z.001.

It lets you not only extract (open) but also create your own 7Z files.
p7zipis the command-line version of 7-Zip for Linux.
For example, maybe you have apart1.7z, part2.7z, part3.7z, etc.
Those instructions are also relevant only for 7-Zip.
This means you could’t convert one toPDF,DOCX,JPG, or any other format like that.
See theseFree File Converters for Occasionally Used Formatsfor some other websites that can convert one.
Another option is toconvert the 7Z file with Filestar, which supports a couple dozen export formats.
Still Can’t Open It?
What’s likely is that you’ve misread the file extension, which is actually very easy to do.
Z7 is one example of a file extension that could easily be misread as a 7Z file.
I’m sure other examples could be given, but you get the idea.
More Information on 7Z Files
7Z is an open file format under theGNU Lesser General Public License.
The 7Z file format was originally released in 1999.
It supports file sizes up to 16 billionGB.
The format doesn’t storefile systempermissions.
AES 256-bitencryptioncan be used to prevent the files from being opened unless the password is known.
The 7-Zip program lets you choose five compression levels when making a new file, fromFastesttoUltra.
Visit7-Zip.orgif you’re interested in reading the specifics on the format.
FAQ
The 7-Zip extractor program works with Windows 10 and older versions of the operating system.
The latest version of WinZip also opens and extracts 7Z files.
You may also be able to double-hit the file to open it in WinZip.
If you don’t see the software program in the menu, selectOtherto search for it.