A "useful review" depends on whether you are looking for information on the itself or the specific content of that file. Review of the .7z Format & Software
Long-time users frequently praise 7-Zip for being "snappy" and "one of a kind" because it remains compatible with systems as old as Windows XP while fully utilizing modern multi-core CPUs. BfrogWife.7z
The 7z format uses the LZMA algorithm , which consistently provides higher compression ratios (2-10% better) than standard ZIP. A "useful review" depends on whether you are