Extension: 7z

What is it? 7-Zip Compressed File

Where’s it from? 7z is an open source compressed file standard developed by the 7-Zip Organization. It supports compression/decompression of 7z, ZIP, GZIP, BZIP2 and TAR compressed files. It also supports decompression-only of ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR and Z. For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 percent better than the ratio provided by PKZip and WinZip.

How do I use it? Use the 7-Zip archiver utility downloaded from the link above.

Can I safely delete or move it? Yes.

Can it be dangerous? Yes. Any compressed file can contain malware. Use an antivirus program.

–David Hakala