A .7Z file is a 7-Zip Compressed Archive associated with Archives. Open-source compressed archive format with ultra-high LZMA/LZMA2 compression ratio.

How do I open a .7Z file on Windows or Mac?

You can open .7Z files using 7-Zip, PeaZip. If you do not have native software installed, you can use OpenAnyFile's free File Identifier or convert .7Z to a standard format in your browser.

Is a .7Z file safe to open?

This format carries a safety rating of Low Risk. Standard open compressed archive format.

Can I convert a .7Z file to other formats?

Yes! .7Z can be converted to formats such as .ZIP directly in your web browser.

What should I do if a .7Z file is corrupted or won't open?

If your .7Z file displays an invalid header or signature error, check its magic bytes hex header (37 7A BC AF 27 1C (7z..)) using OpenAnyFile's Magic Byte Detector or follow our step-by-step file repair guide.

Archives • MIME: application/x-7z-compressed

.7Z – 7-Zip Compressed Archive

Open-source compressed archive format with ultra-high LZMA/LZMA2 compression ratio.

Primary Category Archives

MIME Type application/x-7z-compressed

Magic Bytes Signature 37 7A BC AF 27 1C (7z..)

Security Risk Rating Low Risk

Recommended Software to Open .7Z

7-Zip

windows, mac, linux • Free

PeaZip

windows, mac, linux • Free